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: 2000 mg · 1–2 per day

Not Present

• 

  BulkSupplements L-Proline

  BulkSupplements.com4.9(46)

  $19.97
• 

  BulkSupplements L-Proline Capsules

  BulkSupplements.com4.9(45)

  $18.97
• 

  L-Proline

  BulkSupplements.com4.9(46)

  $17.97
• 

  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(46)

  $79.99
• 

  PureBulk L-Proline Bags

  PureBulk4.8(13)

  $17.25Lowest
• 

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

  BoxNutra

  $55.20
• 

  L-Proline 1000g Powder

  Jo Mar Labs

  $308.80
• 

  Bestvite L-Proline 500mg 120 Vegetarian Capsules

  Bestvite4.9(16)

  $18.99

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.

• The Vitamin Shoppe

  4.4 (77)

  Vitamin & supplements store

  1350 Winston Plaza, Melrose Park, IL 60160

  Directions(708) 345-6150

• Pure Peptides Supplies

  Medical supply store

  1912 Westchester Blvd, Westchester, IL 60154

  Directions

• Happy Nutrition

  Vitamin & supplements store

  10405 Diversey Ave, Melrose Park, IL 60164

  Directions(708) 769-7819

• Capitol Nutrition & Supplements

  4.9 (203)

  Vitamin & supplements store

  7030 W 159th St, Orland Park, IL 60462

  Directions(708) 444-2114

• Fruitful Yield

  4.7 (72)

  Vitamin & supplements store

  425 N La Grange Rd, La Grange Park, IL 60526

  Directions(708) 788-9103

• Purmedica Nutritional Science

  4.7 (74)

  Vitamin & supplements store

  233 S Wacker Dr 84th Floor, Chicago, IL 60606

  Directions(888) 754-0313

• The Vitamin Shoppe

  4.4 (177)

  Vitamin & supplements store

  7180 Cermak Rd Space A1, Berwyn, IL 60402

  Directions(708) 788-5097

• The Vitamin Shoppe

  4.6 (76)

  Vitamin & supplements store

  6005 LaGrange Rd, La Grange, IL 60525

  Directions(708) 352-1832

• 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 2024-05-23. DSLD Label ID: 312263. 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.