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 Vegetarian Capsule(s) · 1 per day

Percent Daily Values are based on a 2,000 calorie diet.

• 

  Now Foods L- Tryptophan 500mg 90 Veg Capsules

  Natures Food Markets4.8(21)

  $22.49
• 

  NOW Foods L- Tryptophan Relaxation Support Capsules

  Vitacost.com4.6(4100)

  $13.46
• 

  Now Foods L-Tryptophan 500 mg

  NOW4.6(5600)

  $21.99
• 

  Source Naturals L Tryptophan

  Walmart - Health Chest4.6(1100)

  $10.95
• 

  Nutricost L- Tryptophan Capsules

  Vitacost.com4.6(1700)

  $15.95
• 

  Nootropics Depot L- Tryptophan Capsules

  Nootropics Depot5.0(1)

  $29.99
• 

  Natural Balance L- Tryptophan 500 mg 60 ct

  Walmart - iHerb4.4(19)

  $31.77
• 

  L-Tryptophan 500 mg

  Natural Wellness Corner4.7(143)

  $23.00

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.

• Nutrishop Moreno Valley

  4.8 (72)

  Vitamin & supplements store

  12950 Day St Ste 103, Moreno Valley, CA 92553

  Directions(951) 213-2164

• The Vitamin Shoppe

  4.4 (98)

  Vitamin & supplements store

  2692 Canyon Springs Pkwy # A, Riverside, CA 92507

  Directions(951) 653-3270

• Wholesale Nutrition Center

  5.0 (95)

  Vitamin & supplements store

  3427 Arlington Ave, Riverside, CA 92506

  Directions(951) 289-9033

• Pure Nutrition

  4.3 (16)

  Vitamin & supplements store

  8735 Trautwein Rd Ste A, Riverside, CA 92508

  Directions(951) 776-8114

• GNC

  4.2 (69)

  Vitamin & supplements store

  22500 Town Cir, Moreno Valley, CA 92553

  Directions(951) 656-2425

• Pure Nutrition

  4.9 (87)

  Vitamin & supplements store

  9496 Magnolia Ave Ste 102, Riverside, CA 92503

  Directions(951) 729-5724

• Botanica Moreno

  4.7 (27)

  Vitamin & supplements store

  23639 Sunnymead Boulevard #F, Moreno Valley, CA 92553

  Directions(951) 247-1379

• Nutrishop Riverside

  4.9 (114)

  Vitamin & supplements store

  10276 Indiana Ave, Riverside, CA 92503

  Directions(951) 354-2311

• AND THIS TOO SHALL PASS AWAY: THE LOGICAL TREATMENT OF AIDS

  TE Lawrence - What Really Causes AIDS, 2002 - healsa.co.za

  … available in health food stores. In the fall of 1989, the FDA recalled all L-tryptophan, stating it … 51 On March 22, 1990 the FDA completely banned the public sale of L-tryptophan. 52 This …

  2002

• l-Tryptophan

  BMD Knapp, MJ Cupp, TS Tracy - Dietary Supplements: Toxicology and …, 2003 - Springer

  … available in the United States include Tryptophan PRN 350 mg capsules, L-tryptophan 500 mg capsules, Free Aminos 750 mg capsules, and Free Aminos powder, sold under the …

  20035 citations

• 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

• A Momentary Lapse of Reason: Living with L-tryptophan Induced EMS and the Hidden Dangers of Genetic Modification of Our Foods

  H Behr - 2011 - books.google.com

  … information from a non-GMO producer of L-Tryptophan: "It is wellknown that European pharmaceutical standards for L-Tryptophan are far higher than US or Japanese standards. The …

  2011

• Smart food: diet and nutrition for maximum brain power

  A Winter - 2007 - books.google.com

  … All patients reported use of Ltryptophan supplements before the onset of illness. The most commonly reported symptoms were muscle and joint pains followed by shortness of breath or …

  20073 citations

• The healing nutrients within: facts, findings, and new research on amino acids

  ER Braverman - 2003 - books.google.com

  … , let alone found on the shelves of natural food stores. Since then, doctors have continued to … These children respond to Ltryptophan therapy, which lowers the phenylalanine level and …

  2003138 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2021-11-19. DSLD Label ID: 256858. 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.