Forms Comparison
| Form | Bioavailability | Best For |
|---|---|---|
| Hydrolyzed Collagen Peptides (Type I & III) | High | Skin, hair, nails, and general connective tissue; most versatile |
| Undenatured Type II Collagen (UC-II) | Low (immune-modulating) | Joint health via immune modulation; very low dose (40 mg/day) |
| Marine Collagen (Type I) | High | Skin focus; smaller peptide size; pescatarian-friendly |
| Collagen + Vitamin C | High | Enhanced collagen synthesis; vitamin C is required cofactor |