Skip to product information
1 of 6

Grass-Fed Hydrolyzed Collagen Peptides (Unflavored)

Grass-Fed Hydrolyzed Collagen Peptides (Unflavored)

Read reviews →
Also see: Amazon · Google · Reddit
Regular price $34.99 USD
Regular price Sale price $34.99 USD
Sale Sold out
Shipping calculated at checkout.
Quantity

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 →

60/100
Standard

Six-dimension breakdown

Evidence
55
Formulation
62
Manufacturing
58
Safety
70
Transparency
58
Sustainability
55

Why this scored 60/100

Midwest Method Grass-Fed Hydrolyzed Collagen Peptides is an unflavored bovine-derived collagen peptide powder positioned for skin, hair, nail, and joint support. The evidence for collagen peptides is real but modest and dose-dependent. Skin-elasticity endpoints in Proksch 2014 and Bolke 2019 used 2.5-10 g/day of hydrolyzed collagen (often as Verisol or specific bioactive peptide brands); Zdzieblik 2015 used TendoForte at 5 g/day for joint pain in athletes; Clark 2008 used 10 g/day of collagen hydrolysate. Grass-fed sourcing is a marketing plus but does not change the amino-acid profile or bioactive peptide content meaningfully. The product does not specify a branded bioactive peptide (Verisol, Fortigel, TendoForte, Naticol) and does not publish a per-serving hydroxyproline content or a molecular-weight profile — both of which drive the pharmacokinetics of collagen peptide absorption. Honest positioning, real (if modest) evidence, and grass-fed sourcing hold it in mid-Standard.

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
60 / 100
Tier
Standard
Category
Supplements
Subcategory
joint bone connective
Last scored
Third-party certifications
None on record at time of scoring
Vendor
Midwest Method
Product type
Skin, Hair & Nail Health
Tags
Midwest Method, 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.

View full details