Our Verdict
Best value clean pick. Sports Research offers the only USDA Certified Organic collagen peptides on the market (a real audit, not a marketing claim). Mamavation's testing showed very clean heavy metal results, and at ~$0.61/serving it's roughly a third of Momentous's price. The trade-off is no NSF Sport certification, but for non-athletes, this is the best clean collagen for the money.
Evident Ratings
Sports Research Collagen Peptides
Sub-scores are category scores on a 1–5 scale, shown out of 10.
About Sports Research
Sports Research has been one of the largest collagen brands in the US for over a decade and pioneered the USDA Certified Organic collagen category.
See how Sports Research stacks up against every collagen we tested
Our full collagen comparison ranks every brand across the same scoring dimensions you saw above — formulation, testing, trust, value, and sourcing.
See Best Collagen →Other top collagen we tested
Get our latest research
New reviews and sleep science insights — no spam, ever.