Skin looks dull and saggy lately
You catch your face in the mirror and stop. The glow you used to see is gone. The skin looks flat and grey, and it hangs a little at the jaw or under the eyes.
Your skin makes new cells all the time. Old ones flake off and fresh ones take their place. That pace slows with age, so tired-looking cells sit longer on top.
Deeper down, collagen and elastin are the fibers that keep skin firm. Sun, smoking, poor sleep, and stress wear on them. Fast weight loss, low protein, dry air, and some drugs play a part too.
When to see someone
See a doctor if one side of your face droops, or if sagging starts fast. Get checked for yellow skin or yellow eyes, or a sore that will not heal. Call as well if you feel cold and tired, bruise easily, or drop weight without trying.
How to read the grades below
Below are folk remedies people have used for skin renewal. Each one carries a grade that shows how strong the evidence is. A low grade means the proof is thin, so read the grades first and talk with your doctor.
When it comes to supporting your body's everyday repair and renewal, what would you most like to focus on right now?
I want more day-to-day energy and to bounce back from stress and burnout more easily
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple Traditionally used to combat fatigue and stress
- Why it may be relevant
- For those seeking energy and stress resilience, ashwagandha is traditionally used as an adaptogen to help the body manage physical and mental strain.
- Why try it
- Traditionally used to support adrenal balance and reduce stress-related fatigue, which may indirectly support the body's capacity to renew itself.
- Dose or use
- 300–600 mg of root extract daily, typically with food.
- Time to results
- Typically 4-8 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Consult a practitioner if pregnant, on thyroid medications, or immunosuppressants.
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple Adaptogen traditionally used for stamina
- Why it may be relevant
- If stress and fatigue are draining your body's renewal capacity, Rhodiola is traditionally used as an adaptogen to support stamina and mental resilience.
- Why try it
- Traditionally used to help the body adapt to physical and emotional stress, supporting the energy reserves needed for ongoing cellular repair.
- Dose or use
- 200–400 mg of standardized extract daily, taken in the morning.
- Time to results
- Typically 2-6 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- May cause mild stimulant effects; avoid late-day use and consult your doctor if on antidepressants.
ST36 (Zusanli)
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional stapleTraditionally energizes and supports vitality
- Why it may be relevant
- If you're looking to restore inner energy, this point is traditionally used to tonify overall vitality and support the body's restorative capacity.
- Why try it
- Traditionally used in acupressure to support digestive energy and overall qi, which practitioners link to the body's regenerative foundation.
- Dose or use
- Press firmly 2-3 min, both sides, 1-2x daily — located four finger-widths below the kneecap, just outside the shin bone.
- Time to results
- Typically 2-6 weeks of consistent practice
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Avoid deep pressure if you have blood clots or active skin conditions in the area.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally supports cellular energy production
- Why it may be relevant
- For energy-focused regeneration goals, CoQ10 is traditionally used to support the mitochondria — the energy-producing centers of every cell.
- Why try it
- Traditionally used to fuel mitochondrial function, which is central to the energy cells need to carry out repair and renewal processes.
- Dose or use
- 100–200 mg daily, taken with a fat-containing meal for best absorption.
- Time to results
- Typically 4-8 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- May interact with blood thinners; consult a practitioner if you take warfarin or similar medications.
I want to calm everyday inflammation and protect my cells from daily wear
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Antioxidant that helps protect cells
- Why it may be relevant
- If you want to calm everyday oxidative stress and protect your cells, astaxanthin is a potent carotenoid antioxidant that helps defend cells against free-radical and UV damage.
- Why try it
- Astaxanthin is one of the stronger dietary antioxidants and is used to reduce oxidative stress; most human evidence to date centers on skin and eye health rather than whole-body regeneration.
- Dose or use
- 4–12 mg daily, taken with a fat-containing meal for absorption.
- Time to results
- Typically 4-8 weeks
- Key study
- Recognized as a strong antioxidant, but its benefits specifically for cellular regeneration have not been confirmed in controlled clinical trials.
- Caution
- May slightly lower blood pressure; check with your practitioner if you take blood-pressure medication.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally used to reduce cellular inflammation
- Why it may be relevant
- For those focused on protecting cells from daily damage, omega-3s are traditionally used to support healthy inflammatory balance at the cellular membrane level.
- Why try it
- Traditionally used to support the structural integrity of cell membranes and promote a balanced inflammatory environment conducive to cellular repair.
- Dose or use
- 1,000–2,000 mg of combined EPA and DHA daily, with food.
- Time to results
- Typically 4-8 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- May thin the blood at high doses; consult a practitioner if on anticoagulant medications.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally linked to cellular detox pathways
- Why it may be relevant
- For daily cellular protection, sulforaphane — found naturally in cruciferous vegetables — is traditionally associated with activating the body's own antioxidant and detoxification defenses.
- Why try it
- Traditionally used via cruciferous vegetables like broccoli sprouts to support the body's Nrf2 pathway, a key regulator of cellular protection and detoxification.
- Dose or use
- Follow product labeling; consult a healthcare practitioner. Alternatively, eat broccoli sprouts regularly as a whole-food source.
- Time to results
- Typically 4-8 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- May interact with certain medications metabolized by the liver; consult a practitioner if relevant.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Deficiency check for cellular health support
- Why it may be relevant
- For daily cellular protection, checking and correcting a Vitamin D deficiency may support the immune regulation and cell signaling that underlies healthy cell function.
- Why try it
- If you're low in Vitamin D, correcting it can help support the immune and cellular signaling pathways traditionally linked to the body's repair processes.
- Dose or use
- 1,000–2,000 IU daily is a common maintenance range; get your levels tested and follow your practitioner's guidance.
- Time to results
- Typically 6-12 weeks to restore levels
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- High doses can be toxic; test levels before supplementing significantly and consult a practitioner.
I'm rebuilding physical structure — skin, joints, and connective tissue
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally supports skin and connective tissue
- Why it may be relevant
- If you're focused on structural repair, collagen is traditionally used to support the integrity of skin, joints, and connective tissues — the scaffolding of cellular regeneration.
- Why try it
- Traditionally used to provide the amino acid building blocks that the body uses to repair and rebuild skin, cartilage, and connective tissue.
- Dose or use
- 5–10 g of hydrolyzed collagen peptides daily, mixed into a beverage or food.
- Time to results
- Typically 4-12 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Most collagen is animal-derived; those with allergies to fish or eggs should choose their source carefully.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Peptide that supports skin and tissue repair
- Why it may be relevant
- If you're rebuilding skin and tissue, copper peptides (GHK-Cu) are used to support wound healing and to stimulate the collagen and elastin your skin's structure relies on.
- Why try it
- Copper peptides occur naturally in the body and are involved in tissue repair and skin firmness; most of the human evidence so far comes from topical skin studies rather than whole-body regeneration.
- Dose or use
- Most commonly applied topically as a serum or cream; follow product directions.
- Time to results
- Typically 4-12 weeks
- Key study
- Best studied for topical skin repair; broader cellular-regeneration benefits have not been confirmed in controlled clinical trials.
- Caution
- For external use; patch-test first and avoid layering with strong acids or retinoids that can irritate skin.
Protein Deficiency
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record)Deficiency check — protein builds new tissue
- Why it may be relevant
- If you're focused on rebuilding tissue, getting enough protein matters — it supplies the amino-acid building blocks your body uses for repair and renewal.
- Why try it
- Protein is the raw material for growth and tissue repair; falling short is linked to delayed wound healing and muscle loss, so correcting a shortfall supports structural renewal.
- Dose or use
- A common general target is 0.8–1.2 g of protein per kg of body weight daily from food or supplements; ask your practitioner what's right for you.
- Time to results
- Typically 4-12 weeks
- Key study
- Correcting a protein shortfall supports repair, but this specific use for cellular regeneration has not been tested in controlled clinical trials.
- Caution
- Those with kidney disease should not raise their protein intake without medical guidance.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally supports connective tissue hydration
- Why it may be relevant
- If your priority is structural repair, Yin Yoga is traditionally used to gently stress connective tissue — fascia, joints, and tendons — encouraging regeneration through sustained holds.
- Why try it
- Traditionally used to stimulate the deeper connective tissues of the body through long, passive holds, supporting circulation and tissue renewal in areas often neglected by active exercise.
- Dose or use
- 2–4 sessions per week, holding poses 3–5 minutes each; attend a class or follow a guided video to learn safely.
- Time to results
- Typically 4-8 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Move slowly and avoid forcing poses; consult a teacher if you have joint injuries or hypermobility.
I'm thinking long game — cellular cleanup and healthy aging through lifestyle
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) NAD+ precursor for energy and cellular repair
- Why it may be relevant
- If your focus is healthy aging and cellular cleanup, NMN is used to raise NAD+ — a coenzyme that declines with age and helps power the repair and sirtuin pathways linked to cellular renewal.
- Why try it
- NMN is a precursor to NAD+, a coenzyme central to cellular energy metabolism and DNA repair. As a newer longevity supplement, its benefits in people are still being actively studied.
- Dose or use
- 250–500 mg daily, typically taken in the morning.
- Time to results
- Typically 4-12 weeks
- Key study
- A newer longevity nutrient; its benefits for cellular regeneration have not yet been confirmed in large controlled human trials.
- Caution
- A newer supplement with limited long-term safety data; consult your practitioner, especially if you have a history of cancer.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally linked to autophagy and cellular cleanup
- Why it may be relevant
- If your focus is longevity and cellular cleanup, intermittent fasting is traditionally associated with activating autophagy — the body's natural process of clearing damaged cells.
- Why try it
- Traditionally used as a dietary practice believed to trigger the body's self-cleaning mechanisms, potentially supporting long-term cellular renewal.
- Dose or use
- Common approaches include a 16:8 eating window (16 hours fasting, 8 hours eating); consult a healthcare practitioner for your specific needs.
- Time to results
- Typically 4-12 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Not suitable during pregnancy, for those with a history of disordered eating, or for people with diabetes without medical supervision.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Deficiency check essential for DNA repair
- Why it may be relevant
- For a longevity-focused approach, checking and correcting magnesium deficiency can help support the enzymatic processes involved in DNA replication and cellular repair.
- Why try it
- If you're low in magnesium, correcting it can help support the hundreds of cellular enzymatic reactions — including DNA synthesis — that underpin the body's ability to regenerate.
- Dose or use
- 200–400 mg of magnesium glycinate or citrate daily, taken in the evening.
- Time to results
- Typically 2-6 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- High doses can cause loose stools; reduce dose if this occurs. Caution with kidney disease.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally used to reduce stress-related cell aging
- Why it may be relevant
- For those pursuing a longevity lifestyle, meditation is traditionally used as a practice to reduce chronic stress, which is widely linked to accelerated cellular aging.
- Why try it
- Traditionally practiced to calm the nervous system and reduce stress hormones, creating an internal environment more conducive to cellular repair and renewal.
- Dose or use
- 10–20 minutes of focused breath or mindfulness meditation daily; consistency matters more than duration.
- Time to results
- Typically 4-8 weeks of regular practice
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Check with your healthcare provider before starting, especially if you are pregnant or breastfeeding, take prescription medication, or manage a chronic condition.
And how would you most like to go about it? Pick the kinds of approaches that feel right for you.
Adaptogenic herbs and energy supplements I can take to build resilience and stamina
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple Traditionally used to combat fatigue and stress
- Why it may be relevant
- For those seeking energy and stress resilience, ashwagandha is traditionally used as an adaptogen to help the body manage physical and mental strain.
- Why try it
- Traditionally used to support adrenal balance and reduce stress-related fatigue, which may indirectly support the body's capacity to renew itself.
- Dose or use
- 300–600 mg of root extract daily, typically with food.
- Time to results
- Typically 4-8 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Consult a practitioner if pregnant, on thyroid medications, or immunosuppressants.
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple Adaptogen traditionally used for stamina
- Why it may be relevant
- If stress and fatigue are draining your body's renewal capacity, Rhodiola is traditionally used as an adaptogen to support stamina and mental resilience.
- Why try it
- Traditionally used to help the body adapt to physical and emotional stress, supporting the energy reserves needed for ongoing cellular repair.
- Dose or use
- 200–400 mg of standardized extract daily, taken in the morning.
- Time to results
- Typically 2-6 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- May cause mild stimulant effects; avoid late-day use and consult your doctor if on antidepressants.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) NAD+ precursor for energy and cellular repair
- Why it may be relevant
- If your focus is healthy aging and cellular cleanup, NMN is used to raise NAD+ — a coenzyme that declines with age and helps power the repair and sirtuin pathways linked to cellular renewal.
- Why try it
- NMN is a precursor to NAD+, a coenzyme central to cellular energy metabolism and DNA repair. As a newer longevity supplement, its benefits in people are still being actively studied.
- Dose or use
- 250–500 mg daily, typically taken in the morning.
- Time to results
- Typically 4-12 weeks
- Key study
- A newer longevity nutrient; its benefits for cellular regeneration have not yet been confirmed in large controlled human trials.
- Caution
- A newer supplement with limited long-term safety data; consult your practitioner, especially if you have a history of cancer.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally supports cellular energy production
- Why it may be relevant
- For energy-focused regeneration goals, CoQ10 is traditionally used to support the mitochondria — the energy-producing centers of every cell.
- Why try it
- Traditionally used to fuel mitochondrial function, which is central to the energy cells need to carry out repair and renewal processes.
- Dose or use
- 100–200 mg daily, taken with a fat-containing meal for best absorption.
- Time to results
- Typically 4-8 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- May interact with blood thinners; consult a practitioner if you take warfarin or similar medications.
Antioxidant and anti-inflammatory nutrients that help shield my cells
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Antioxidant that helps protect cells
- Why it may be relevant
- If you want to calm everyday oxidative stress and protect your cells, astaxanthin is a potent carotenoid antioxidant that helps defend cells against free-radical and UV damage.
- Why try it
- Astaxanthin is one of the stronger dietary antioxidants and is used to reduce oxidative stress; most human evidence to date centers on skin and eye health rather than whole-body regeneration.
- Dose or use
- 4–12 mg daily, taken with a fat-containing meal for absorption.
- Time to results
- Typically 4-8 weeks
- Key study
- Recognized as a strong antioxidant, but its benefits specifically for cellular regeneration have not been confirmed in controlled clinical trials.
- Caution
- May slightly lower blood pressure; check with your practitioner if you take blood-pressure medication.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally used to reduce cellular inflammation
- Why it may be relevant
- For those focused on protecting cells from daily damage, omega-3s are traditionally used to support healthy inflammatory balance at the cellular membrane level.
- Why try it
- Traditionally used to support the structural integrity of cell membranes and promote a balanced inflammatory environment conducive to cellular repair.
- Dose or use
- 1,000–2,000 mg of combined EPA and DHA daily, with food.
- Time to results
- Typically 4-8 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- May thin the blood at high doses; consult a practitioner if on anticoagulant medications.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally linked to cellular detox pathways
- Why it may be relevant
- For daily cellular protection, sulforaphane — found naturally in cruciferous vegetables — is traditionally associated with activating the body's own antioxidant and detoxification defenses.
- Why try it
- Traditionally used via cruciferous vegetables like broccoli sprouts to support the body's Nrf2 pathway, a key regulator of cellular protection and detoxification.
- Dose or use
- Follow product labeling; consult a healthcare practitioner. Alternatively, eat broccoli sprouts regularly as a whole-food source.
- Time to results
- Typically 4-8 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- May interact with certain medications metabolized by the liver; consult a practitioner if relevant.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Deficiency check for cellular health support
- Why it may be relevant
- For daily cellular protection, checking and correcting a Vitamin D deficiency may support the immune regulation and cell signaling that underlies healthy cell function.
- Why try it
- If you're low in Vitamin D, correcting it can help support the immune and cellular signaling pathways traditionally linked to the body's repair processes.
- Dose or use
- 1,000–2,000 IU daily is a common maintenance range; get your levels tested and follow your practitioner's guidance.
- Time to results
- Typically 6-12 weeks to restore levels
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- High doses can be toxic; test levels before supplementing significantly and consult a practitioner.
Hands-on lifestyle and mind-body practices rather than something in a bottle
ST36 (Zusanli)
Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional stapleTraditionally energizes and supports vitality
- Why it may be relevant
- If you're looking to restore inner energy, this point is traditionally used to tonify overall vitality and support the body's restorative capacity.
- Why try it
- Traditionally used in acupressure to support digestive energy and overall qi, which practitioners link to the body's regenerative foundation.
- Dose or use
- Press firmly 2-3 min, both sides, 1-2x daily — located four finger-widths below the kneecap, just outside the shin bone.
- Time to results
- Typically 2-6 weeks of consistent practice
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Avoid deep pressure if you have blood clots or active skin conditions in the area.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally linked to autophagy and cellular cleanup
- Why it may be relevant
- If your focus is longevity and cellular cleanup, intermittent fasting is traditionally associated with activating autophagy — the body's natural process of clearing damaged cells.
- Why try it
- Traditionally used as a dietary practice believed to trigger the body's self-cleaning mechanisms, potentially supporting long-term cellular renewal.
- Dose or use
- Common approaches include a 16:8 eating window (16 hours fasting, 8 hours eating); consult a healthcare practitioner for your specific needs.
- Time to results
- Typically 4-12 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Not suitable during pregnancy, for those with a history of disordered eating, or for people with diabetes without medical supervision.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally used to reduce stress-related cell aging
- Why it may be relevant
- For those pursuing a longevity lifestyle, meditation is traditionally used as a practice to reduce chronic stress, which is widely linked to accelerated cellular aging.
- Why try it
- Traditionally practiced to calm the nervous system and reduce stress hormones, creating an internal environment more conducive to cellular repair and renewal.
- Dose or use
- 10–20 minutes of focused breath or mindfulness meditation daily; consistency matters more than duration.
- Time to results
- Typically 4-8 weeks of regular practice
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Check with your healthcare provider before starting, especially if you are pregnant or breastfeeding, take prescription medication, or manage a chronic condition.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally supports connective tissue hydration
- Why it may be relevant
- If your priority is structural repair, Yin Yoga is traditionally used to gently stress connective tissue — fascia, joints, and tendons — encouraging regeneration through sustained holds.
- Why try it
- Traditionally used to stimulate the deeper connective tissues of the body through long, passive holds, supporting circulation and tissue renewal in areas often neglected by active exercise.
- Dose or use
- 2–4 sessions per week, holding poses 3–5 minutes each; attend a class or follow a guided video to learn safely.
- Time to results
- Typically 4-8 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Move slowly and avoid forcing poses; consult a teacher if you have joint injuries or hypermobility.
The raw building blocks for tissue repair — and checking for nutrient gaps that hold repair back
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Traditionally supports skin and connective tissue
- Why it may be relevant
- If you're focused on structural repair, collagen is traditionally used to support the integrity of skin, joints, and connective tissues — the scaffolding of cellular regeneration.
- Why try it
- Traditionally used to provide the amino acid building blocks that the body uses to repair and rebuild skin, cartilage, and connective tissue.
- Dose or use
- 5–10 g of hydrolyzed collagen peptides daily, mixed into a beverage or food.
- Time to results
- Typically 4-12 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- Most collagen is animal-derived; those with allergies to fish or eggs should choose their source carefully.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Peptide that supports skin and tissue repair
- Why it may be relevant
- If you're rebuilding skin and tissue, copper peptides (GHK-Cu) are used to support wound healing and to stimulate the collagen and elastin your skin's structure relies on.
- Why try it
- Copper peptides occur naturally in the body and are involved in tissue repair and skin firmness; most of the human evidence so far comes from topical skin studies rather than whole-body regeneration.
- Dose or use
- Most commonly applied topically as a serum or cream; follow product directions.
- Time to results
- Typically 4-12 weeks
- Key study
- Best studied for topical skin repair; broader cellular-regeneration benefits have not been confirmed in controlled clinical trials.
- Caution
- For external use; patch-test first and avoid layering with strong acids or retinoids that can irritate skin.
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record) Deficiency check essential for DNA repair
- Why it may be relevant
- For a longevity-focused approach, checking and correcting magnesium deficiency can help support the enzymatic processes involved in DNA replication and cellular repair.
- Why try it
- If you're low in magnesium, correcting it can help support the hundreds of cellular enzymatic reactions — including DNA synthesis — that underpin the body's ability to regenerate.
- Dose or use
- 200–400 mg of magnesium glycinate or citrate daily, taken in the evening.
- Time to results
- Typically 2-6 weeks
- Key study
- Traditionally used for this condition; this specific use has not been confirmed in controlled clinical trials.
- Caution
- High doses can cause loose stools; reduce dose if this occurs. Caution with kidney disease.
Protein Deficiency
Not yet assessed· We have not reviewed the literature for this one (Evidence grade not assigned · No traditional record)Deficiency check — protein builds new tissue
- Why it may be relevant
- If you're focused on rebuilding tissue, getting enough protein matters — it supplies the amino-acid building blocks your body uses for repair and renewal.
- Why try it
- Protein is the raw material for growth and tissue repair; falling short is linked to delayed wound healing and muscle loss, so correcting a shortfall supports structural renewal.
- Dose or use
- A common general target is 0.8–1.2 g of protein per kg of body weight daily from food or supplements; ask your practitioner what's right for you.
- Time to results
- Typically 4-12 weeks
- Key study
- Correcting a protein shortfall supports repair, but this specific use for cellular regeneration has not been tested in controlled clinical trials.
- Caution
- Those with kidney disease should not raise their protein intake without medical guidance.
Evidence grades describe the strength of published research for Cellular Regeneration, not a promise of results. Nothing here is medical advice — talk to your clinician before starting anything, especially alongside prescription medication.
Other ways people describe this
Same underlying problem, different words.
These suggestions come from our full page on Cellular Regeneration, where you can see every option and how it is graded. Evidence grades are explained in our methodology, and every phrasing we cover is listed under health topics.
Remedies people try for this
Remedies recommended for the same conditions. Evidence grades are shown on each page.
See your options in the app
See the natural options for Skin looks dull and saggy lately and track what you try.