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…
Saffron has one of the better mood evidence bases of any botanical, but nearly every positive trial used a specific branded extract at a modest dose, so a big milligram number of generic saffron is not the product that was studied. We ranked on which extract is actually in the bottle.
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5-HTP raises serotonin, which is exactly why who should avoid it matters more than which bottle to buy. It can interact dangerously with antidepressants, so we led with that, then ranked these supplements on purity and a sensible starting dose rather than potency.
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Rhodiola is one of the most adulterated herbs you can buy, routinely swapped for a cheaper species that contains almost no rosavins. We ranked these supplements on the label details that prove what is actually in the bottle, and kept the fatigue and stress evidence honest.
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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