Bulk Supplements

L-Proline

Product Quality

Overall evidence-based quality rating

How Product Quality is assessed

8.46Very Good

Price

$0.18/serving

Retail

$21.96

Container

125 servings

Serving

2000 mg

Brand Quality

8.42

Why this score

Testing practices

Lot Tested
Third-Party Lab Tested
Transparent Batch-Specific COAs
ISO 17025 Lab

Testing coverage

Identity
Purity
Potency
Heavy Metals
Raw Ingredient Testing

Certifications

NSF Certified
USDA Organic Certified

Manufacturing standards

cGMP Certified
Made in USA

Innovation

Clinically Studied Product

Active Ingredients

L-Proline
2000 mg
Ingredient research · L-Proline
L-Proline is an amino acid the body uses extensively to build collagen, giving it a clear structural role in skin, tendons, cartilage, and wound repair. Supplements are therefore taken for connective-tissue and exercise-recovery support, but distinct benefits from extra proline in otherwise well-nourished people remain uncertain.

These statements have not been evaluated by the Food and Drug Administration. Any products and informational content displayed on this page are not intended to diagnose, treat, cure, or prevent any disease.