Evidence review of popular supplements, ranked into three tiers based on human trial data, not marketing. Click any card for dosage guidance and study references.

For informational purposes only. This is not medical advice and does not replace consultation with a doctor or pharmacist, particularly before combining supplements with medications, if pregnant or breastfeeding, or if you have an existing health condition.

These figures are general reference ranges from published studies, not a personalized prescription. The right dose for you depends on your body weight, health conditions, and any medications you take. Check with a doctor or pharmacist before following any specific dosage, especially before combining with medications.