Four Marvel
四妙丸 · sì miào wán
For swollen, heavy, hot knees and lower limbs from accumulated damp-heat.
What it's for
When the knees and lower legs feel swollen, hot, and heavy all at once, like something wet and burning has settled there, this formula targets damp-heat in the lower burner, what TCM calls the pelvis and lower limbs. The four herbs each clear heat or dry dampness, and achyranthis root specifically guides that clearing action down into the legs. Practitioners reach for it for gout flares, hot swollen joints, damp-heat skin issues on the lower body, and weakness in the legs from the same root pattern.
Signs this formula is a fit
At least 2 of the 3 main signs below should sound like you. Heat and swelling in the lower limbs is the key signal.
Main signs
Knees or lower limbs feel swollen and hot
warmth you can feel, along with puffy or tight joints, not just achy
Heaviness and weakness in the legs
legs feel weighed down, hard to lift, like moving through resistance
Numbness in the lower legs or feet
pins and needles or a dead, deadened feeling, often alongside the weakness
Extra signs
- Yellow, greasy tongue coating
- Scanty, dark yellow urine
- Swollen, painful feet
- Possible skin issues on the lower limbs: weeping sores, redness, or oozing
Signs it isn't
- Your lower limb pain is cold and achy, better with warmth, worse with cold and damp
- You feel weak and cold overall, not warm and heavy
- You are pregnant or have unusually heavy periods
What's in it
Safety
- Built for damp-heat patterns with heat signs in the lower limbs. Not for cold, weak, or yin-deficient presentations.
- Contraindicated during pregnancy and with excessive menstrual bleeding; achyranthis root moves blood downward.
- Phellodendron is very bitter and cold. Those with weak or cold digestion may find it hard on the stomach.
- Needs modification if you have Lung heat, or Liver and Kidney deficiency. Not a fit as sold.
How to take it
What to get

Four Marvel Teapills
Plum Flower200 ct
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Dose
Take 8 pills, 3 times a day. Other brands and forms use different doses, so follow the label on what you buy.
How long
Follow any time limit on the product label. If it gives none, ask a qualified TCM practitioner when to reassess. Do not keep taking it unchanged if nothing improves.



