Passing big blood clots during your period

You go to the loo and pass a lump of blood. Some clots are small and dark. Others are the size of a grape, or larger, and look like raw liver.

When to see someone

See a doctor if your clots are bigger than a grape, or if you feel dizzy, pale, or short of breath. Get help the same day if you may be pregnant, or if you bleed after menopause. Book a check if you bleed between periods, or the pain keeps you in bed.

Below is a list of home and folk remedies used for heavy periods. Each has a grade that shows how much research exists. A high grade means more study, not a promise of any result.

Heavy Menstrual Bleeding: natural remedies and the evidence behind them

8 options · 2 graded B · 6 traditional or ungraded

What does your heavy bleeding actually look like for you?

My period drags on for too many days each cycle

  1. Ginger

    Supported by smaller clinical studies (Evidence grade B · No traditional record)

    Shortened bleeding days in a randomized placebo-controlled trial

    Why this matches
    If you prefer options with real clinical research behind them, ginger was tested for heavy menstrual bleeding in a randomized, placebo-controlled trial.
    Why try it
    In a randomized, placebo-controlled trial, women who took ginger during their period had fewer bleeding days and better quality of life than those on placebo. The total amount of blood lost was not reduced more than placebo, so think of ginger as a reasonable, evidence-backed option to try rather than a guaranteed fix.
    Dose or use
    Follow product labeling; consult a healthcare practitioner.
    Time to results
    Typically 2–3 menstrual cycles
    Key study
    Randomized Controlled Trial (2019, PMID 30670277): In 102 women with heavy menstrual bleeding, a ginger arm (added to a common ibuprofen background) significantly shortened bleeding duration and improved quality of life versus placebo. Total menstrual blood loss decreased in all groups with no significant difference between them.
    Caution
    May interact with blood-thinning medications; consult your practitioner if you take anticoagulants.

  2. Boswellia

    Supported by smaller clinical studies· Centuries of traditional use across more than one tradition (Evidence grade B · Traditional use classical)Classical use across multiple traditions

    Anti-inflammatory herb that shortened bleeding days in a trial

    Why this matches
    If you're open to herbal remedies, Boswellia (frankincense) is an anti-inflammatory botanical that was put to the test for heavy periods in a randomized, placebo-controlled trial.
    Why try it
    In a randomized, placebo-controlled trial, frankincense taken during the period led to fewer bleeding days and better quality of life than placebo. It did not lower the total amount of blood lost more than placebo, so the evidence is genuine but limited.
    Dose or use
    Follow product labeling; consult a healthcare practitioner.
    Time to results
    Typically 2–3 menstrual cycles
    Key study
    Randomized Controlled Trial (2019, PMID 30670277): In 102 women with heavy menstrual bleeding, a frankincense (Boswellia serrata oleoresin) arm added to a common ibuprofen background significantly shortened bleeding duration and improved quality of life versus placebo. Total blood loss decreased in all groups without a significant between-group difference.
    Caution
    May affect blood clotting; consult your practitioner before use, during pregnancy, or if taking medications.

  3. Yarrow (Achillea millefolium)

    Centuries of traditional use across more than one tradition· Human evidence not yet assessed (Evidence grade not assigned · Traditional use classical)Classical use across multiple traditions

    Traditional herb for heavy menstrual flow

    Why this matches
    If you're open to time-honored herbal remedies, yarrow is one of the classic herbs reached for specifically to moderate heavy periods.
    Why try it
    Yarrow has a long folk history as an astringent 'styptic' herb used to help tone tissue and moderate excessive menstrual bleeding. This traditional use has not been confirmed in controlled clinical trials.
    Dose or use
    Commonly taken as a tea or tincture; follow product labeling and consult a practitioner.
    Time to results
    Often used cycle to cycle; give it 2–3 cycles
    Key study
    Traditionally used to moderate heavy menstrual bleeding; this specific use has not been confirmed in controlled clinical trials.
    Caution
    Avoid during pregnancy; may trigger allergy in people sensitive to ragweed or other daisy-family plants.

I feel wiped out, pale, or short of breath around my period

  1. Iron Deficiency

    Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple

    Blood loss can quietly drain your iron

    Why this matches
    If you want to look at nutritional gaps, iron is the first one to check — heavy periods are the leading cause of low iron in menstruating women.
    Why try it
    Losing more blood each month can steadily deplete your iron stores, leading to fatigue, weakness, paleness and breathlessness. Checking iron status can reveal whether replacing it would help you feel more like yourself.
    Dose or use
    Ask your practitioner about testing ferritin and iron before supplementing; food sources include red meat, legumes and leafy greens.
    Time to results
    Iron stores typically rebuild over 2–3 months
    Key study
    Iron deficiency is the most common nutritional deficiency worldwide and the leading consequence of heavy menstrual bleeding; signs include fatigue, pallor, and shortness of breath.
    Caution
    Do not start iron supplements without testing — too much iron can cause harm and constipation. Have the cause of heavy bleeding evaluated by your practitioner.

  2. Vitamin K Deficiency

    Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple

    A clotting nutrient worth ruling out

    Why this matches
    If you're checking nutritional gaps, vitamin K is worth a look because it's essential for normal blood clotting.
    Why try it
    Vitamin K helps your blood clot, so a shortfall can show up as easy bruising and prolonged or heavier bleeding. It's a plausible, checkable contributor to heavier periods.
    Dose or use
    Found in leafy greens, broccoli and fermented foods; ask your practitioner before supplementing, especially if you take blood thinners.
    Time to results
    Varies; discuss testing and a timeline with your practitioner
    Key study
    Vitamin K is essential for blood clotting; deficiency can cause easy bruising and prolonged bleeding, making it a plausible factor to check in unusually heavy periods.
    Caution
    Vitamin K interacts with anticoagulant medications such as warfarin; do not supplement without medical advice. Heavy bleeding should be evaluated by a clinician.

My whole cycle feels off — I want a steadier, more regulated rhythm

  1. SP6 (Sanyinjiao) - Spleen 6

    Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple

    Key women's-health acupressure point

    Why this matches
    If you'd like something hands-on you can do yourself, SP6 is the go-to acupressure point for menstrual concerns.
    Why try it
    In Traditional Chinese Medicine, SP6 sits where the Spleen, Liver and Kidney channels meet and is one of the most-used points for regulating menstruation and easing cycle-related complaints. This is a traditional practice, not a clinically proven treatment.
    Dose or use
    Find it about four finger-widths above the inner ankle bone, just behind the shinbone; apply firm circular pressure for 1–2 minutes per side.
    Time to results
    Can be used as needed during your cycle
    Key study
    A classic Traditional Chinese Medicine point for menstrual regulation; used by tradition rather than confirmed in controlled clinical trials.
    Caution
    Avoid during pregnancy, as SP6 is traditionally avoided in pregnancy. Skip over broken or irritated skin.

  2. CV4 (Guanyuan) - Conception Vessel 4

    Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple

    Lower-abdomen point for menstrual support

    Why this matches
    If hands-on self-care appeals to you, CV4 is a lower-abdomen point traditionally used to support the uterus and steady the cycle.
    Why try it
    CV4 (Guanyuan) lies on the Conception Vessel over the lower abdomen and is traditionally used to strengthen the uterus and regulate menstrual cycles. This is a traditional practice, not a clinically proven treatment.
    Dose or use
    Find it about four finger-widths below the navel; apply gentle, steady pressure for 1–2 minutes.
    Time to results
    Can be used as needed during your cycle
    Key study
    A traditional Conception Vessel point used for menstrual regulation; used by tradition rather than confirmed in controlled clinical trials.
    Caution
    Avoid during pregnancy. Use gentle pressure and skip over broken or irritated skin.

  3. Red Raspberry Leaf

    Centuries of traditional use across more than one tradition· Human evidence not yet assessed (Evidence grade not assigned · Traditional use classical)Classical use across multiple traditions

    Traditional uterine tonic herb

    Why this matches
    If you'd like a gentle, time-honored option, red raspberry leaf is a classic uterine tonic used to support a steadier, less heavy flow.
    Why try it
    Traditionally used as a uterine tonic thought to tone the uterine muscle and support a more regulated menstrual flow. This use has not been confirmed in controlled clinical trials.
    Dose or use
    Commonly taken as a tea; follow product labeling and consult a practitioner.
    Time to results
    Usually taken daily over several cycles
    Key study
    Traditionally used as a uterine tonic for menstrual support; this specific use has not been confirmed in controlled clinical trials.
    Caution
    If pregnant or managing a health condition, check with your practitioner before use.

The flow itself is the problem — heavy days soak through everything

  1. Vitamin K Deficiency

    Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple

    A clotting nutrient worth ruling out

    Why this matches
    If you're checking nutritional gaps, vitamin K is worth a look because it's essential for normal blood clotting.
    Why try it
    Vitamin K helps your blood clot, so a shortfall can show up as easy bruising and prolonged or heavier bleeding. It's a plausible, checkable contributor to heavier periods.
    Dose or use
    Found in leafy greens, broccoli and fermented foods; ask your practitioner before supplementing, especially if you take blood thinners.
    Time to results
    Varies; discuss testing and a timeline with your practitioner
    Key study
    Vitamin K is essential for blood clotting; deficiency can cause easy bruising and prolonged bleeding, making it a plausible factor to check in unusually heavy periods.
    Caution
    Vitamin K interacts with anticoagulant medications such as warfarin; do not supplement without medical advice. Heavy bleeding should be evaluated by a clinician.

  2. Yarrow (Achillea millefolium)

    Centuries of traditional use across more than one tradition· Human evidence not yet assessed (Evidence grade not assigned · Traditional use classical)Classical use across multiple traditions

    Traditional herb for heavy menstrual flow

    Why this matches
    If you're open to time-honored herbal remedies, yarrow is one of the classic herbs reached for specifically to moderate heavy periods.
    Why try it
    Yarrow has a long folk history as an astringent 'styptic' herb used to help tone tissue and moderate excessive menstrual bleeding. This traditional use has not been confirmed in controlled clinical trials.
    Dose or use
    Commonly taken as a tea or tincture; follow product labeling and consult a practitioner.
    Time to results
    Often used cycle to cycle; give it 2–3 cycles
    Key study
    Traditionally used to moderate heavy menstrual bleeding; this specific use has not been confirmed in controlled clinical trials.
    Caution
    Avoid during pregnancy; may trigger allergy in people sensitive to ragweed or other daisy-family plants.

  3. Red Raspberry Leaf

    Centuries of traditional use across more than one tradition· Human evidence not yet assessed (Evidence grade not assigned · Traditional use classical)Classical use across multiple traditions

    Traditional uterine tonic herb

    Why this matches
    If you'd like a gentle, time-honored option, red raspberry leaf is a classic uterine tonic used to support a steadier, less heavy flow.
    Why try it
    Traditionally used as a uterine tonic thought to tone the uterine muscle and support a more regulated menstrual flow. This use has not been confirmed in controlled clinical trials.
    Dose or use
    Commonly taken as a tea; follow product labeling and consult a practitioner.
    Time to results
    Usually taken daily over several cycles
    Key study
    Traditionally used as a uterine tonic for menstrual support; this specific use has not been confirmed in controlled clinical trials.
    Caution
    If pregnant or managing a health condition, check with your practitioner before use.

What kind of support feels right for your heavy periods?

I'd rather start with options tested in clinical trials

  1. Ginger

    Supported by smaller clinical studies (Evidence grade B · No traditional record)

    Shortened bleeding days in a randomized placebo-controlled trial

    Why this matches
    If you prefer options with real clinical research behind them, ginger was tested for heavy menstrual bleeding in a randomized, placebo-controlled trial.
    Why try it
    In a randomized, placebo-controlled trial, women who took ginger during their period had fewer bleeding days and better quality of life than those on placebo. The total amount of blood lost was not reduced more than placebo, so think of ginger as a reasonable, evidence-backed option to try rather than a guaranteed fix.
    Dose or use
    Follow product labeling; consult a healthcare practitioner.
    Time to results
    Typically 2–3 menstrual cycles
    Key study
    Randomized Controlled Trial (2019, PMID 30670277): In 102 women with heavy menstrual bleeding, a ginger arm (added to a common ibuprofen background) significantly shortened bleeding duration and improved quality of life versus placebo. Total menstrual blood loss decreased in all groups with no significant difference between them.
    Caution
    May interact with blood-thinning medications; consult your practitioner if you take anticoagulants.

  2. Boswellia

    Supported by smaller clinical studies· Centuries of traditional use across more than one tradition (Evidence grade B · Traditional use classical)Classical use across multiple traditions

    Anti-inflammatory herb that shortened bleeding days in a trial

    Why this matches
    If you're open to herbal remedies, Boswellia (frankincense) is an anti-inflammatory botanical that was put to the test for heavy periods in a randomized, placebo-controlled trial.
    Why try it
    In a randomized, placebo-controlled trial, frankincense taken during the period led to fewer bleeding days and better quality of life than placebo. It did not lower the total amount of blood lost more than placebo, so the evidence is genuine but limited.
    Dose or use
    Follow product labeling; consult a healthcare practitioner.
    Time to results
    Typically 2–3 menstrual cycles
    Key study
    Randomized Controlled Trial (2019, PMID 30670277): In 102 women with heavy menstrual bleeding, a frankincense (Boswellia serrata oleoresin) arm added to a common ibuprofen background significantly shortened bleeding duration and improved quality of life versus placebo. Total blood loss decreased in all groups without a significant between-group difference.
    Caution
    May affect blood clotting; consult your practitioner before use, during pregnancy, or if taking medications.

I'm open to time-honored herbal teas and tinctures

  1. Boswellia

    Supported by smaller clinical studies· Centuries of traditional use across more than one tradition (Evidence grade B · Traditional use classical)Classical use across multiple traditions

    Anti-inflammatory herb that shortened bleeding days in a trial

    Why this matches
    If you're open to herbal remedies, Boswellia (frankincense) is an anti-inflammatory botanical that was put to the test for heavy periods in a randomized, placebo-controlled trial.
    Why try it
    In a randomized, placebo-controlled trial, frankincense taken during the period led to fewer bleeding days and better quality of life than placebo. It did not lower the total amount of blood lost more than placebo, so the evidence is genuine but limited.
    Dose or use
    Follow product labeling; consult a healthcare practitioner.
    Time to results
    Typically 2–3 menstrual cycles
    Key study
    Randomized Controlled Trial (2019, PMID 30670277): In 102 women with heavy menstrual bleeding, a frankincense (Boswellia serrata oleoresin) arm added to a common ibuprofen background significantly shortened bleeding duration and improved quality of life versus placebo. Total blood loss decreased in all groups without a significant between-group difference.
    Caution
    May affect blood clotting; consult your practitioner before use, during pregnancy, or if taking medications.

  2. Yarrow (Achillea millefolium)

    Centuries of traditional use across more than one tradition· Human evidence not yet assessed (Evidence grade not assigned · Traditional use classical)Classical use across multiple traditions

    Traditional herb for heavy menstrual flow

    Why this matches
    If you're open to time-honored herbal remedies, yarrow is one of the classic herbs reached for specifically to moderate heavy periods.
    Why try it
    Yarrow has a long folk history as an astringent 'styptic' herb used to help tone tissue and moderate excessive menstrual bleeding. This traditional use has not been confirmed in controlled clinical trials.
    Dose or use
    Commonly taken as a tea or tincture; follow product labeling and consult a practitioner.
    Time to results
    Often used cycle to cycle; give it 2–3 cycles
    Key study
    Traditionally used to moderate heavy menstrual bleeding; this specific use has not been confirmed in controlled clinical trials.
    Caution
    Avoid during pregnancy; may trigger allergy in people sensitive to ragweed or other daisy-family plants.

  3. Red Raspberry Leaf

    Centuries of traditional use across more than one tradition· Human evidence not yet assessed (Evidence grade not assigned · Traditional use classical)Classical use across multiple traditions

    Traditional uterine tonic herb

    Why this matches
    If you'd like a gentle, time-honored option, red raspberry leaf is a classic uterine tonic used to support a steadier, less heavy flow.
    Why try it
    Traditionally used as a uterine tonic thought to tone the uterine muscle and support a more regulated menstrual flow. This use has not been confirmed in controlled clinical trials.
    Dose or use
    Commonly taken as a tea; follow product labeling and consult a practitioner.
    Time to results
    Usually taken daily over several cycles
    Key study
    Traditionally used as a uterine tonic for menstrual support; this specific use has not been confirmed in controlled clinical trials.
    Caution
    If pregnant or managing a health condition, check with your practitioner before use.

I want to check for nutrient gaps that could be driving or worsening this

  1. Iron Deficiency

    Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple

    Blood loss can quietly drain your iron

    Why this matches
    If you want to look at nutritional gaps, iron is the first one to check — heavy periods are the leading cause of low iron in menstruating women.
    Why try it
    Losing more blood each month can steadily deplete your iron stores, leading to fatigue, weakness, paleness and breathlessness. Checking iron status can reveal whether replacing it would help you feel more like yourself.
    Dose or use
    Ask your practitioner about testing ferritin and iron before supplementing; food sources include red meat, legumes and leafy greens.
    Time to results
    Iron stores typically rebuild over 2–3 months
    Key study
    Iron deficiency is the most common nutritional deficiency worldwide and the leading consequence of heavy menstrual bleeding; signs include fatigue, pallor, and shortness of breath.
    Caution
    Do not start iron supplements without testing — too much iron can cause harm and constipation. Have the cause of heavy bleeding evaluated by your practitioner.

  2. Vitamin K Deficiency

    Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple

    A clotting nutrient worth ruling out

    Why this matches
    If you're checking nutritional gaps, vitamin K is worth a look because it's essential for normal blood clotting.
    Why try it
    Vitamin K helps your blood clot, so a shortfall can show up as easy bruising and prolonged or heavier bleeding. It's a plausible, checkable contributor to heavier periods.
    Dose or use
    Found in leafy greens, broccoli and fermented foods; ask your practitioner before supplementing, especially if you take blood thinners.
    Time to results
    Varies; discuss testing and a timeline with your practitioner
    Key study
    Vitamin K is essential for blood clotting; deficiency can cause easy bruising and prolonged bleeding, making it a plausible factor to check in unusually heavy periods.
    Caution
    Vitamin K interacts with anticoagulant medications such as warfarin; do not supplement without medical advice. Heavy bleeding should be evaluated by a clinician.

I'd like hands-on acupressure I can do myself at home

  1. SP6 (Sanyinjiao) - Spleen 6

    Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple

    Key women's-health acupressure point

    Why this matches
    If you'd like something hands-on you can do yourself, SP6 is the go-to acupressure point for menstrual concerns.
    Why try it
    In Traditional Chinese Medicine, SP6 sits where the Spleen, Liver and Kidney channels meet and is one of the most-used points for regulating menstruation and easing cycle-related complaints. This is a traditional practice, not a clinically proven treatment.
    Dose or use
    Find it about four finger-widths above the inner ankle bone, just behind the shinbone; apply firm circular pressure for 1–2 minutes per side.
    Time to results
    Can be used as needed during your cycle
    Key study
    A classic Traditional Chinese Medicine point for menstrual regulation; used by tradition rather than confirmed in controlled clinical trials.
    Caution
    Avoid during pregnancy, as SP6 is traditionally avoided in pregnancy. Skip over broken or irritated skin.

  2. CV4 (Guanyuan) - Conception Vessel 4

    Centuries of traditional use· Human evidence not yet assessed (Evidence grade not assigned · Traditional use long-standing)Long-standing traditional staple

    Lower-abdomen point for menstrual support

    Why this matches
    If hands-on self-care appeals to you, CV4 is a lower-abdomen point traditionally used to support the uterus and steady the cycle.
    Why try it
    CV4 (Guanyuan) lies on the Conception Vessel over the lower abdomen and is traditionally used to strengthen the uterus and regulate menstrual cycles. This is a traditional practice, not a clinically proven treatment.
    Dose or use
    Find it about four finger-widths below the navel; apply gentle, steady pressure for 1–2 minutes.
    Time to results
    Can be used as needed during your cycle
    Key study
    A traditional Conception Vessel point used for menstrual regulation; used by tradition rather than confirmed in controlled clinical trials.
    Caution
    Avoid during pregnancy. Use gentle pressure and skip over broken or irritated skin.

Evidence grades describe the strength of published research for Heavy Menstrual Bleeding, 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 Heavy Menstrual Bleeding, 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.

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