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42/100
Rejected
Six-dimension breakdown
Evidence
40
Formulation
42
Manufacturing
55
Safety
50
Transparency
28
Sustainability
45
Why this scored 42/100
"NO2 Black" is a nitric-oxide-focused pre-workout / pump product from MRI's sport line. Nitric oxide precursors — L-arginine, L-citrulline, citrulline malate, and dietary nitrate (beetroot) — have real evidence for acute vasodilation, blood flow to skeletal muscle, and modest performance/pump effects at correct doses (L-citrulline: 6-8g/day; citrulline malate: 8g pre-workout; beetroot nitrate: 300-500mg). The category convention among sports brands is to bundle these actives into a proprietary blend labeled "NO Matrix" or similar without per-ingredient milligrams. Based on the product name and typical MRI formulation practice for this SKU line, the formula is expected to use exactly this proprietary-blend structure — total blend weight disclosed, per-ingredient milligrams hidden — which prevents a buyer from verifying whether L-citrulline hits the 6g threshold or is under-dosed to 1-2g. That structure is the textbook proprietary_blend_hides_dose autofail. If per-ingredient milligrams were disclosed and the actives hit clinical doses, the product would land in Standard territory; without that disclosure it cannot clear the autofail rule. Rejected.
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.
How to read the Evidence dimension
80–100: Multiple double-blind RCTs in indexed journals directly testing this product OR the exact ingredients at the exact dose.
60–79: Single double-blind RCT + supporting ingredient literature at the studied dose.
40–59: Open-label trials + ingredient literature; no product-specific double-blind evidence.
20–39: Ingredient literature only; no product-specific trials or trials in predatory venues.
0–19: No credible evidence base or unverifiable claims.
FAQ data has not been generated for this product yet. See the site FAQ for general questions.
Customer reviews
Reviews on other platforms
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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VSF score
42 / 100
Tier
Rejected
Category
Supplements
Subcategory
energy metabolic
Last scored
Third-party certifications
None on record at time of scoring
Vendor
MRI Performance
Product type
Nitric Oxide
Tags
MRI Performance, Shopify Collective
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.
