L-glutamine vs Proline

Evidence-based comparison of L-glutamine and Proline — absorption, dosage, safety, and which is best for your needs.

Proline

Collagen synthesis: Promotes collagen formation in skin

Full Guide

Detailed Comparison

L-glutamineProline
CategoryAmino acidAmino acid
MechanismGut barrier integrity: Supports tight junctions and mucosal liningCollagen synthesis: Promotes collagen formation in skin

Which Should You Choose?

L-glutamine may be better if: Gut barrier integrity: Supports tight junctions and mucosal lining

Proline may be better if: Collagen synthesis: Promotes collagen formation in skin