Dose by Study
See what the studies actually used, then find the supplement whose label matches.
We have not reviewed that one yet.
Supplement guides
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BerberineSome proof1,000 mg a day in the best-known study. That is two 500 mg capsules. We see no reason to go over 2,000 mg a day. -
InositolSome proof4 g (4,000 mg) a day of myo-inositol in the pregnancy studies. Many products give only half that per serving. -
L-TheanineSome proof200 mg, 30 to 60 minutes before you need it. Most studies stayed between 200 and 400 mg a day. -
QuercetinSome proofMore than 500 mg a day in blood pressure studies. 1,000 mg a day in exercise studies. -
Tart CherrySome proofNo set amount. Most studies used juice or juice concentrate, starting 5 to 7 days before a hard event.
Find a guide by goal
- PCOS and periods
- Inositol
- Focus and stress
- L-Theanine
- Sleep
- Tart Cherry · L-Theanine
- Recovery after exercise
- Tart Cherry · Quercetin
- Blood pressure
- Quercetin