Source: Examine.com — Collagen — 2.5–15 g/day; ~10 g is typical in skin and joint trials.
Hydrolyzed structural protein that supplies the amino acids your skin, joints and connective tissue are built from.
Provides glycine and proline plus peptides that signal your body to build its own collagen.
Very safe; occasional mild GI upset. Not a complete protein for muscle-building (low in some essential aminos).
| Per serving | |
|---|---|
| Typical branded single-ingredient product | $1.67 |
| Bulk powder at the clinical dose (1kg, $37.97) | $0.76 |
Buying bulk powder instead of a branded bottle saves about 54% per serving.
Bulk price: $37.97/1kg →Educational only — not medical advice. Grades and clinical doses are computed from public labels against sourced research (citations on the main site); prices last verified 2026-07-21. Expensive Powder has no sponsors; bulk links may earn an affiliate commission, which never affects a grade. Talk to a clinician before starting any supplement.