Widely available in grains, nuts and tea. Supplementation is rarely indicated.
What the evidence supports: correcting deficiency, which is rare.
This scores how well-supported the claim above is — not how much benefit you personally would get. A high score on a narrow claim does not extend to everything the product is marketed for.
Rarely needed at all.
Almost nobody. Check whether your multivitamin already includes it.
No commonly documented medication clashes in our data. That is not the same as none existing.
Run your full list through the interaction check.