Evidence library 25 analyses
Human evidence on hydrolysed collagen peptides for skin, joints, bone and muscle, with dosing and product-quality analysis.
Complete library
Browse every published guide, review and evidence update in this topic.
Our 2026 shortlist compares DoNotAge, Puori, Momentous and Vital Proteins, then shows how to judge dose, testing, source, formulation and cost without confusing product quality with proven efficacy.
Collagen peptides, gelatin and bone broth differ in processing, standardisation and trial evidence. Here’s when those differences matter and where comparisons remain uncertain.
Marine collagen is a fish-derived source, usually Type I. Human evidence does not establish that it is better absorbed or clinically superior to bovine collagen.
Collagen and oral hyaluronic acid have separate evidence bases. A direct combination trial did not show added benefit from 30 mg HA over collagen plus vitamin C on...
Most “vegan collagen” products are collagen-free boosters; recombinant animal-free collagen also exists. Here’s what each category is and what human evidence supports.
Vitamin C is required for normal collagen synthesis, but extra vitamin C and added hyaluronic acid are not proven to make a collagen supplement work better. Here’s what...
Human evidence for collagen and gut health is preliminary, with no controlled evidence that it repairs the gut barrier. Here’s what the available studies actually show.
