L-Tryptophan 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

• 

  Jarrow Formulas L- Tryptophan Peptide 60 Tablets

  personalpower4.4(7)

  $19.95
• 

  Jarrow Formulas L- Tryptophan 500mg 60 Capsules

  biomall.bg4.5(8)

  $36.10
• 

  Life Extension L- Tryptophan 500 mg 90 Vegetarian Capsules

  iHerb4.7(505)

  $24.75
• 

  L-Tryptophan 500mg

  Fusion Specialty Pharmacy

  $52.98
• 

  L-Tryptophan 500 mg

  Natural Wellness Corner4.7(143)

  $23.00
• 

  L- Tryptophan 500 mg 60 Quick Release Capsules

  Walmart - PIPING ROCK HEALTH PRODUCTS, LLC4.6(7)

  $9.99Lowest
• 

  Protocol For Life Balance L-Tryptophan 500 mg

  boulevardcompounding.com4.7(143)

  $22.99
• 

  Bestvite's L- Tryptophan 500mg (120 Vegetarian Capsules)

  Bestvite4.8(10)

  $16.99

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

  4.3 (199)

  Vitamin & supplements store

  385 S Colorado Blvd, Denver, CO 80246

  Directions(303) 321-0379

• Optimum Performance

  1.0 (1)

  Vitamin & supplements store

  240 Josephine St #203, Denver, CO 80206

  Directions(720) 394-5965

• GNC

  2.9 (82)

  Vitamin & supplements store

  760 S Colorado Blvd, Glendale, CO 80246

  Directions(303) 692-1997

• Apothecary Tinctura

  4.5 (170)

  Herb shop

  2900 E 6th Ave, Denver, CO 80206

  Directions(303) 399-1175

• Puritry RX

  4.5 (2)

  Vitamin & supplements store

  110 16th St Mall Ste 1400 #126, Denver, CO 80202

  Directions(303) 519-8876

• Supplement Giant

  4.9 (346)

  Vitamin & supplements store

  98 Wadsworth Blvd #126, Lakewood, CO 80226

  Directions(303) 935-5516

• Colorado Discount Nutrition

  5.0 (699)

  Vitamin & supplements store

  1945 S Sheridan Blvd Unit 103, Denver, CO 80227

  Directions(720) 328-8364

• American Fit

  5.0 (216)

  Vitamin & supplements store

  2283 S Monaco St Pkwy #108, Denver, CO 80222

  Directions(303) 862-4407

• Tryptophan As A Nutraceutical–Clinical And A Critical

  MR Suchitra, P Krubaa, S Parthasarathy - European Journal of Molecular & … - academia.edu

  … L Tryptophan is available in the commercial product as 125 mg/ capsule or 500 mg/ capsule … was lowered in preeclamptic compared with the healthy placental arteries, consistent with …

• Successful discontinuation of chronic polypsychotropic regimen and resolution of withdrawal syndrome through nutrition and lifestyle interventions: A case …

  K Brogan, A Siefert - Adv Mind Body Med, 2019 - kajabi-storefronts-production.s3 …

  … The patient took 500-1500 mg nightly of L-tryptophan for SNRI withdrawal support (Pure … a medical disability leave. She received 0.5 mg Klonopin and restarted Lamictal at 25 mg. …

  20193 citations

• THE MOOD CURE

  TOT CHARGE - tantor-site-assets.s3.amazonaws …

  … if it would be appropriate for you to take 5-HTP, L-tryptophan, L-tyrosine, D-phenylalanine or L-… supplements used at my clinic: 800-7339293 or consult an experienced alternative health …

• Analysis, nutrition, and health benefits of tryptophan

  M Friedman - International Journal of Tryptophan Research, 2018 - journals.sagepub.com

  … Here, tryptophan refers to l-tryptophan and the isomeric form produced during food … in the absence of l-tryptophan; ie, the mice must meet the entire need for l-tryptophan from the d-…

  2018402 citations

• … in the plasma tryptophan-to-large-neutral-amino-acids ratio attenuates the effects of L-tryptophan on gut hormones and energy intake in healthy males: a randomized …

  J Anjom-Shoae, M Hajishafiee, PCE Fitzgerald… - The American journal of …, 2025 - Elsevier

  Background L-tryptophan (“Trp”) and L-leucine (“Leu”), when administered intraduodenally, increase plasma cholecystokinin (CCK) and glucagon-like peptide 1 (GLP-1) and stimulate …

  20253 citations

• Health benefits of tryptophan in children and adults

  BN Nayak, HS Buttar - J. Pharm. Sci. Technol. Manage, 2015 - pharmacy.nmims.edu

  … This mini-review provides a brief overview of the role of L-tryptophan in the synthesis of serotonin, quinolinic acid, and kynurenic acid, which are critically important for neuronal …

  201512 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-06-16. DSLD Label ID: 264895. 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.