Optimum Nutrition
THE BIOHACKING STANDARD
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AmBari Nutrition's Therma Trim stacks vitamin B6, iodine (from kelp), chromium, guarana, chitosan, green tea, and garcinia cambogia as a weight-loss/energy formula. Two red-flag ingredients: (1) garcinia cambogia (hydroxycitric acid) has been repeatedly associated with hepatotoxicity in case reports and the 2017 DILIN analysis, and its efficacy in weight-loss RCTs is null-to-marginal — the FDA has issued warnings; and (2) chitosan's weight-loss claim (fat-binding in the gut) has failed to show clinically meaningful outcomes in Cochrane review (Jull 2008) and can interfere with fat-soluble vitamin absorption. Guarana adds caffeine but its dose is not disclosed. The 'thermogenic' framing implies a specific mechanism (increased metabolic rate) that individual ingredients do not reliably produce at safe doses. Combination of a marginal-safety ingredient (garcinia) with a proprietary-adjacent multi-ingredient stack triggers safety_concern. Iodine content from kelp is unquantified — kelp iodine varies wildly by source and excess iodine has thyroid consequences.
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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