Optimum Nutrition
THE BIOHACKING STANDARD
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Mainstream multivitamins as a category have modest RCT support — Physicians' Health Study II (Gaziano 2012) showed a small reduction in total cancer incidence over 11 years with Centrum Silver — but modern multi formulations vary enormously in vitamin form quality (folic acid vs L-methylfolate, cyanocobalamin vs methylcobalamin, oxide vs bisglycinate minerals) and dose adequacy. Vitalidad Natural's "Complete Multivitamin" gives no per-nutrient panel at the title level, no form disclosure, and no evidence of a targeted demographic (men's, women's, over-50) that would justify specific nutrient concentrations. Sits at Standard because multivitamins are a real, if generic, category; would move to Verified 70+ with a full published Supplement Facts panel using bioavailable forms and third-party testing.
The Vyvata score's Evidence dimension measures the quality of published RCT support for a product's active ingredients at the label dose. Our source hierarchy: double-blind RCTs in MEDLINE-indexed journals > single-blind RCTs > open-label trials > observational studies > mechanism papers > N=1 case studies (anecdotes). Predatory journals and manufacturer-authored studies without independent replication are weighted down.
Product-specific evidence citations for this item are embedded in the analysis text on the "Analysis" tab. For the full framework and evidence hierarchy, see the methodology page.
FAQ data has not been generated for this product yet. See the site FAQ for general questions.
The Vyvata score measures product integrity against a published rubric, not customer sentiment. Vyvata does not aggregate, republish, or license third-party reviews — the links below open search pages on their respective platforms.
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Every score is set from the published rubric, audit-logged, and rescored whenever new evidence emerges (published trials, updated labels, third-party testing releases). Every vendor is scored on the same criteria — no pay-to-play. See our editorial-independence disclosure for the full policy, including brands with an editorial relationship to this site.

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