Boiogito is a traditional multi-herb formula used in both Japanese Kampo medicine and its parent tradition, Chinese herbal medicine, where it is called Fang Ji Huang Qi Tang. It is prescribed for people who tend to carry excess fluid, feel heavy or puffy, and experience joint discomfort worsened by dampness or cold. The formula has been standardized and is officially listed in Japan's pharmacopoeia, making it one of the more rigorously manufactured Kampo prescriptions available.

The formula works on two main fronts: it helps the body clear excess fluid by gently promoting urinary output and improving circulation in tissues, and it eases inflammation in joints by modulating immune activity and reducing swelling. Astragalus brings toning and strengthening properties that prevent excessive fluid loss, while Stephania root contributes the formula's main anti-inflammatory and diuretic actions. Together the herbs balance each other so the result is fluid regulation rather than aggressive water loss.

In Japan, Boiogito is most commonly dispensed as a standardized granule extract (Tsumura brand and others), which is dissolved in hot water and drunk as a tea-like preparation. This form is used in clinical practice and covered under Japan's national health insurance for approved indications. Traditional decoction (boiling the raw herbs) remains available through specialist practitioners. Outside Japan, tablets and capsules containing standardized extracts are available through Kampo-focused supplement suppliers.

• Water retention and puffiness
• Joint pain and swelling (arthritis)
• Knee osteoarthritis
• Obesity with fluid accumulation
• Leg swelling and heaviness
• Sweating and fatigue in overweight individuals
• Mild metabolic syndrome support
• Gout-related joint discomfort

• Progression of early knee osteoarthritis symptoms (limited clinical evidence from short-term trials)
• Fluid-related weight gain recurrence when used as maintenance therapy

Boiogito is a multi-herb formula and is not found in food. To support the same goals — reducing fluid retention, easing joint inflammation, and supporting healthy weight — focus on an anti-inflammatory, low-sodium dietary pattern. Emphasize: (1) Oily fish like salmon and mackerel (omega-3s reduce joint inflammation); (2) Celery and cucumber (natural mild diuretic effect, reduce puffiness); (3) Tart cherry juice (reduces uric acid and joint swelling, especially for gout); (4) Leafy greens like spinach and kale (antioxidants support joint tissue health); (5) Ginger and turmeric used freely in cooking (mirror the anti-inflammatory herbs within the formula). Limit ultra-processed foods, alcohol, and high-sodium meals, all of which worsen fluid retention and joint inflammation.

• Digestive discomfort (nausea, loose stools) — especially if taken on an empty stomach
• Elevated liver enzymes with long-term use (rare; recommend periodic liver function monitoring for use beyond 3 months)
• Low potassium (hypokalemia) from the licorice component with prolonged high-dose use
• Mild increase in urination frequency due to diuretic action
• Skin rash or allergic reaction (uncommon)
• Blood pressure changes — either modest lowering effect or, with excessive licorice intake, a slight rise

• Recommended daily: 7.5 g/day of standardized granule extract (e.g. Tsumura Boiogito Extract Granules), typically divided into 3 doses of 2.5 g each. Raw herb decoctions traditionally use 8–12 g of the full formula blend per day.
• Best time of day: Traditionally taken before meals (15–30 minutes), three times daily. This is thought to improve absorption and align with digestive qi in Kampo theory. Morning, midday, and evening dosing is standard.
• With or without food: Take before meals or on a relatively empty stomach for best absorption. If digestive sensitivity occurs, taking with a small amount of warm food or dissolving granules in warm water and sipping slowly may help.
• Time to effect: Mild diuretic and fluid-balancing effects may be noticed within 1–2 weeks. Meaningful improvement in joint swelling and pain typically requires 4–8 weeks of consistent use. Weight-related benefits are generally assessed at 12 weeks or beyond.
• How long to take it: Standard clinical use in Japan ranges from 8 to 24 weeks. Long-term use beyond 3 months should involve periodic liver function monitoring and potassium checks due to the licorice content. Cycling (e.g. 12 weeks on, 4 weeks off) is a reasonable approach for maintenance without physician oversight.