L-Proline 500 mg®

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.

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Serving Size: 1 Capsule(s) · 1 per day

Not Present

• 

  Douglas Laboratories L-Proline 60 Capsules

  DrHagmeyer.com5.0(4)

  $36.08
• 

  Now Foods L-Proline 500 Mg 120 Veg Capsules

  Swanson Health Products4.7(1200)

  $11.89
• 

  Best Naturals L-Proline 500 mg 120 Capsules

  Target4.8(20)

  $10.00
• 

  Bestvite L-Proline 500mg 120 Vegetarian Capsules

  Walmart - BESTVITE INC4.9(16)

  $21.99
• 

  L-Proline 500 mg 120 Capsules

  Physicians Preference Vitamins

  $35.95
• 

  L-Proline 1000g Powder

  Jo Mar Labs

  $161.40
• 

  Proline 500 mg 100 caps (Montiff)

  Lexington Natural Health Center

  $31.00
• 

  Swanson L-Proline 500 mg 100 Capsules

  iHerb4.8(209)

  $14.29

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.

• No Limits Nutrition Center

  4.9 (314)

  Vitamin & supplements store

  1311 W Broad St, Richmond, VA 23220

  Directions(804) 714-7422

• GNC

  4.4 (37)

  Vitamin & supplements store

  1601 Willow Lawn Dr SPACE 235, Richmond, VA 23230

  Directions(804) 282-7456

• Vitamin Shoppe Distribution Center

  4.2 (141)

  Distribution service

  112 The Vitamin Shoppe Way, Ashland, VA 23005

  Directions(866) 293-3367

• The Vitamin Shoppe

  4.6 (153)

  Vitamin & supplements store

  11440 Midlothian Turnpike Ste A, Richmond, VA 23235

  Directions(804) 379-6259

• PRE NUTRITION Vitamins & Supplements

  5.0 (20)

  Vitamin & supplements store

  9915 Hull Street Rd, Richmond, VA 23236

  Directions(804) 303-3911

• GNC

  4.1 (46)

  Vitamin & supplements store

  1246 Carl D Silver Pkwy, Fredericksburg, VA 22401

  Directions(540) 785-1451

• Official Gains4U

  5.0 (1)

  Vitamin & supplements store

  5453 Bradley Pines Cir, Sandston, VA 23150

  Directions(804) 636-2252

• Hope Essentials

  5.0 (7)

  Vitamin & supplements store

  514B N Washington Hwy, Ashland, VA 23005

  Directions(804) 306-2728

• Risk Assessment of" Other Substances"–L-proline

  K Holvik, L Frøyland, M Haugen, S Henjum, M Løvik… - 2018 - pesquisa.bvsalud.org

  … effects of L-proline supplementation in … 500 mg/kg bw L-proline was administered as a growth hormone stimulatory agent to 20 children with hyposomatotropic dwarfism and 20 healthy …

  20181 citations

• L-proline supplementation improves nitric oxide bioavailability and counteracts the blood pressure rise induced by angiotensin II in rats

  J Leal, L Teixeira-Santos, D Pinho, J Afonso… - Nitric Oxide, 2019 - Elsevier

  … We evaluated whether l-proline (Pro) supplementation improves redox status and nitric oxide (NO) bioavailability and prevents or delays angiotensin II (AngII)-induced hypertension. …

  201934 citations

• Integrating 16S rRNA gene sequencing and metabolomics analysis to reveal the mechanism of L-proline in preventing autism-like behavior in mice

  J Fang, SG Kang, K Huang, T Tong - Nutrients, 2025 - mdpi.com

  … Collectively, these findings suggest that the L-proline treatment can markedly enhance the health status of the microbiota and ameliorate the degree of gut microbiota dysbiosis. …

  20256 citations

• Vitamin E, Heart Disease and Tocotrienols

  J Dach - jeffreydachmd.com

  … L-Proline 2-3 grams a day in divided doses These supplements can be obtained at any the health food … A convenient powder form can be obtained at Tower Laboratories. They have a …

• L-Proline 500 mg 60 caps by Douglas Labs

  RNR Points

• Safety of L-proline as a stabilizer for immunoglobulin products

  JB Hagan, RL Wasserman, JS Baggish… - Expert review of …, 2012 - Taylor & Francis

  … is primarily based on medical necessity (ie, poor venous access, wear-off effect, or intolerance of IVIG) and patient preference Citation[1,2]. Privigen and Hizentra use L-proline as a …

  201216 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2014-02-26. DSLD Label ID: 30582. 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.