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03Good
10/12
Quality Score
Bulletproof

Collagen Protein

Price varies
grass-fedpasture-raisedhydrolyzedbovine-collagenunflavored

Bulletproof meets the gold standard for sourcing by using 100% pasture-raised bovine collagen without added hormones or fillers. While it lacks the batch-specific COAs and branded peptide certifications (like Verisol) required for a perfect score, its high dosage (20g) and competitive price-per-gram for a clean-label product make it a top-tier choice.

Score BreakdownModerate Evidence
Purity
Evidence
Transparency
Value
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Sources & References

https://www.bulletproof.com/products/collagen-peptides-unflavored-17-6ozhttps://pubmed.ncbi.nlm.nih.gov/30681787/

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