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 1000g Powder

  Jo Mar Labs

  $161.40
• 

  L-Proline 500 mg 120 Capsules

  Physicians Preference Vitamins

  $35.95
• 

  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.

• The Vitamin Shoppe

  4.3 (150)

  Vitamin & supplements store

  1250 Niagara Falls Blvd, Tonawanda, NY 14150

  Directions(716) 832-3058

• Advantage Nutrition Forte

  4.6 (7)

  Vitamin & supplements store

  3800 Delaware Ave #110, Tonawanda, NY 14150

  Directions(716) 447-0176

• GNC

  4.4 (83)

  Vitamin & supplements store

  1643 Niagara Falls Blvd, Buffalo, NY 14226

  Directions(716) 836-2171

• Vitamin World

  3.7 (21)

  Vitamin & supplements store

  2730 Delaware Ave Ste 600, Buffalo, NY 14216

  Directions(716) 447-0103

• Honey Tree Health Shoppe

  5.0 (3)

  Health food store

  204 Oliver St, North Tonawanda, NY 14120

  Directions(716) 692-2584

• Snow God Supplements

  Store

  188 Hinds St, Tonawanda, NY 14150

  Directions(716) 534-1390

• The Vitamin Shoppe

  4.5 (86)

  Vitamin & supplements store

  1775 Walden Ave #100, Buffalo, NY 14225

  Directions(716) 893-4716

• GNC

  4.5 (50)

  Vitamin & supplements store

  I 90 @Walden Ave Space D-204, Cheektowaga, NY 14225

  Directions(716) 681-2366

• 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 2012-02-23. DSLD Label ID: 5353. 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.