L-Proline®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Serving Size: 4 Capsule(s) · 1–2 per day

Not Present

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  BulkSupplements L-Proline

  BulkSupplements.com4.9(45)

  $19.97
• 

  BulkSupplements L-Proline Capsules

  BulkSupplements.com4.9(45)

  $20.97
• 

  L-Proline Powder

  BulkSupplements.com4.9(45)

  $50.97
• 

  PureBulk L-Proline Bags

  PureBulk4.8(13)

  $7.95Lowest
• 

  BulkSupplements.com L-Proline Powder - Proline Supplements Amino Acid Powder - Unflavored & Gluten Free 2g per Serving 1kg (2.2 lbs) (Pack of 1) 2.2

  GoSupps.com4.9(45)

  $99.99
• 

  L-Proline 1000g Powder

  Jo Mar Labs

  $308.80
• 

  Bulk L-Proline 1 Kilogram - Highest Quality Ingredients - Bulk Supplements - Wholesale Ingredients - Bulk Ingredients - BoxNutra - Bulk Supplements -

  BoxNutra

  $57.50
• 

  Proline L Pure USP Granular Amino Acid

  Prescribed For Life

  $69.99

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• Supplemart

  4.1 (53)

  Vitamin & supplements store

  4275, Main Bazar Rd, Bagichi Ramchander, Kaseru Walan, Paharganj, New Delhi, Delhi, 110055, India

  Directions+91 80767 42452

• Protrition

  4.8 (4)

  Vitamin & supplements store

  1st Floor, Surya Plaza Building, K 185/2, Block D, Sarai Jullena, New Friends Colony, New Delhi, Delhi 110025, India

  Directions+91 97177 09229

• Nutriline

  5.0 (2)

  Vitamin & supplements store

  Directions+91 80084 70547

• PROLINE NUTRITION

  4.5 (2)

  Vitamin & supplements store

  Directions+91 76008 97897

• Adding free leucine to a balanced essential amino acid mixture suppresses intracellular transamination of isoleucine and valine in healthy older adults

  SB Knezek, MPKJ Engelen, KS Coyle, CN Perez… - Clinical Nutrition, 2026 - Elsevier

  Background Adding leucine (LEU) to protein meals enhances protein anabolism, but excess LEU reduces valine (VAL) and isoleucine (ILE) plasma concentrations. We examined in …

  2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2023-07-18. DSLD Label ID: 294416. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.