Enter your current supplement stack. We'll check each one against the evidence and show you what to keep, what to reconsider, and what you might be wasting money on.
The average health optimizer spends $214/month on supplements
Source: Sanctuary Wellness Institute, 2025.
Free — no account needed
Free reports show the verdict on each claim. A free account opens the doses and timing, with the receipts, for every supplement in your stack.
Enter your supplements — one per line. Brand names, generic names, or abbreviations all work.
We match each supplement against our database of 61 supplements, each with its verdict on the evidence.
Keep: the evidence leans for it, or strongly backs it. Reconsider: the evidence is mixed, conflicting or too thin to call. Drop: the evidence leans against it.
Cost estimates are based on mid-range brand pricing from iHerb, Amazon, and published stack cost analyses (CoreStacks, Nucleus). Actual costs vary by brand, dosage, and form. Verdicts come from Precis's analysis of 3,700+ hours of recorded interviews with 380 researchers and doctors, plus 48,500+ research studies.