Optimum Nutrition
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Olimp Sport Nutrition is an established Polish sports-supplement brand with distribution across Europe and select US markets, and a public history of contract manufacturing to industry standards. Amino 5500 delivers 5,425 mg of amino acids per serving using their 'Mega Caps' capsule technology (larger capsules meaning fewer per serving), 34% of which is disclosed as BCAAs (~1,844 mg BCAAs per serving) with vitamin B6 added for protein-synthesis cofactor support. Doses are disclosed at the class level. 5.4 g total amino acids per serving is below the leucine-anabolic threshold identified in Wolfe 2017 (~3 g leucine per anabolic bolus, roughly requiring 6-8 g complete EAAs), so a single serving is a modest amino contribution — users needing anabolic dosing typically multi-scoop. The capsule format constrains achievable per-serving dose vs powder equivalents. Middling manufacturing/transparency scores reflect real brand, class-level dose disclosure, no visible sport certification. Reasonable Standard entry.
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.
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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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