L-Proline 500 mg

Amino Acids & Protein

Brand: Douglas Laboratories

CapsuleOn Market
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Net Contents

60 Capsule(s)

Serving Size

1 Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

3 10539 01683 1

Product Version

Not specified

Suggested Use

Suggested Usage: As a dietary supplement; adults take 1 capsule daily or as directed by your health professional.

Market Reference

$7.99 – $255.53· 37 listings
  • 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

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Research & Studies

  • 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 2020-08-23. DSLD Label ID: 232305. 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.