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55/100
Standard
Six-dimension breakdown
Evidence
60
Formulation
52
Manufacturing
55
Safety
62
Transparency
48
Sustainability
50
Why this scored 55/100
Generic colostrum powder from a small wellness-brand vendor with limited public documentation. The underlying ingredient has real RCT support for gut permeability and modest athletic recovery, but Lang Wellness discloses neither the IgG percentage nor first-milking sourcing on the product page, and offers no per-lot COA. Sits at the low end of Standard — the ingredient class carries the score, brand transparency drags it down.
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.
Every VSF-related metafield surfaced verbatim. Nothing hidden. If you spot data that looks wrong, let us know.
VSF score
55 / 100
Tier
Standard
Category
Supplements
Subcategory
gut digestive, immune antioxidants
Last scored
Third-party certifications
None on record at time of scoring
Vendor
Lang Wellness LLC
Product type
Post-Workout Recovery
Tags
Lang Wellness 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.
