31 evidence-organized hubs covering everything from sleep and anxiety to joint pain, blood sugar, and skin health — supplements ranked by clinical evidence, not marketing.
Ashwagandha (Withania somnifera) is an adaptogenic herb from Ayurvedic tradition, widely used to help the body manage st…
CyanthOx™ is a branded sea buckthorn (Hippophae rhamnoides) berry extract from Puredia, sourced from sea buckthorn grown…
KSM-66 is the most extensively studied branded ashwagandha (Withania somnifera) extract, made by Ixoreal Biomed. It is a…
S-Adenosyl-L-Methionine (SAMe) is a naturally occurring compound in the body, synthesized from methionine and adenosine …
Pantothenic acid (vitamin B5) is an essential water-soluble vitamin needed to make coenzyme A, which the body uses to pr…
Phosphatidylcholine (PC) is the most abundant phospholipid in cell membranes and one of the main dietary forms of cholin…
NAC (N-acetylcysteine) is the raw material your body uses to make glutathione, the master antioxidant. We ranked the best NAC supplements on dose, cofactors, form, testing, and price, with the evidence, and NAC's unusual legal status, kept honest.
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Ergothioneine is a mushroom antioxidant your body has a dedicated transporter to absorb and store, which is why it is called a longevity vitamin. We ranked the best ergothioneine supplements on dose, form, purity, and price, with the evidence kept honest: strong mechanism, promising observational data, early human trials.
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Butyrate is the main fuel for your colon cells, and postbiotics are the buzzword riding alongside it. We ranked the best butyrate and postbiotic supplements on form, dose, delivery, and price, with the evidence kept honest: strong mechanism, early human data, fiber first.
Read article →Symptoms, at-risk groups, and clinical context for 26 essential nutrients — sourced from NIH ODS and StatPearls.
Open the guide →Line up dosages, mechanisms, evidence levels, and safety for any two ingredients — and settle the "which one?" question fast.
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NutraSmarts is an independent, research-grade database of 1,300+ supplement ingredients — each with clinical-trial-backed dosages, mechanisms, side effects, drug interactions, and an honest evidence rating from PubMed-cited human studies, spanning everyday vitamins and minerals to the newest branded ingredients (NuLiv Science, NNB Nutrition, PLT Health Solutions). Browse by category or symptom, compare any two ingredients, explore the deficiency guide, and build FDA-compliant Supplement Facts labels with our 100% free, no-signup tool — every page built to help you tell marketing from evidence.
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