Optimum Nutrition
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Muscle Building + Growth
Muscle Building + Growth
No reviews
No reviews
Regular price
$45.00 USD
Regular price
Sale price
$45.00 USD
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The full picture
Everything Vyvata knows about this product — the score, the evidence, the FAQ, and where else to find shopper reviews. No hidden data. Every vendor is scored on the same published rubric — no brand can pay for placement. Read the rubric →
36/100
Rejected
Six-dimension breakdown
Evidence
25
Formulation
30
Manufacturing
36
Safety
42
Transparency
20
Sustainability
42
Why this scored 36/100
1776 Sports Nutrition 'Muscle Building + Growth' is a vaguely named muscle/mass product from a brand whose lineup includes an over-the-counter tirzepatide SKU (a Schedule Rx GLP-1 pharmaceutical sold as a supplement in likely FDA/DEA violation). The product name is generic-category branding rather than a compound name, which almost always signals a proprietary blend. Muscle-building supplement categories carry particular risk of anabolic-adjacent or SARM contamination — FDA warning letters over the past decade have repeatedly cited muscle-growth products for undisclosed prohormones, methylated steroids, or SARM adulterants (ostarine, LGD-4033, RAD-140). Without a full Supplement Facts panel with per-ingredient milligrams disclosed at title level, and given the parent brand's demonstrated willingness to sell Schedule Rx pharmaceuticals as supplements, the product cannot be evaluated for either evidence-based dosing or adulteration risk. Autofailed under proprietary_blend_hides_dose with additional concern under manufacturer_credibility.
Last scored: Full rubric →
Evidence & sources
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.
All the data we have on this product
Every VSF-related metafield surfaced verbatim. Nothing hidden. If you spot data that looks wrong, let us know.
- VSF score
- 36 / 100
- Tier
- Rejected
- Category
- Supplements
- Subcategory
- protein amino acids
- Last scored
- Third-party certifications
- None on record at time of scoring
- Vendor
- 1776 Sports Nutrition LLC
- Tags
- 1776 Sports Nutrition LLC, 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.
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