Optimized Tryptophan Plus®

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: 3 Vegetarian Capsule(s) · 1 per day

Not Present

• 

  Life Extension Tryptophan Plus Capsules

  iHerb4.6(626)

  $24.00
• 

  Life Extension L- Tryptophan 500 mg 90 Capsules

  Life Extension4.7(496)

  $24.75
• 

  Optimized Tryptophan Plus

  Pure Prescriptions4.6(626)

  $32.00
• 

  Life Extension Enhanced Stress Relief 30 Capsules

  Life Extension4.6(426)

  $21.00
• 

  Tryptophan plus and Tryptophan with melatonin pack

  Naturitas

  $29.07
• 

  Tryptophan

  Sarasota IV Lounge

  $25.00
• 

  Tryptophan New

  biotikon.eu

  $20.38Lowest
• 

  Aminoplus Tryptophan plus Kapseln

  apohealth.de5.0(2)

  $28.08

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

  4.6 (122)

  Vitamin & supplements store

  7140 N McCormick Blvd, Lincolnwood, IL 60712

  Directions(847) 763-1230

• Rogers Park Nutrition Spot

  4.9 (83)

  Health food store

  7411 N Clark St, Chicago, IL 60626

  Directions(773) 412-9875

• Walsh Natural Health

  4.9 (27)

  Vitamin & supplements store

  2116 1/2 Central St, Evanston, IL 60201

  Directions(847) 864-1600

• Health Kick

  5.0 (203)

  Vitamin & supplements store

  5640 Dempster St, Morton Grove, IL 60053

  Directions(847) 965-4070

• Nutrition North western

  4.8 (5)

  Vitamin & supplements store

  6318 N Western Ave, Chicago, IL 60659

  Directions(773) 701-8469

• Simply Pure Rx

  4.6 (33)

  Pharmacy

  1607 Benson Ave, Evanston, IL 60201

  Directions(847) 227-8020

• Xtreme Supplements

  5.0 (85)

  Vitamin & supplements store

  1974 W Lawrence Ave, Chicago, IL 60640

  Directions(773) 293-6644

• Life Spring Health Foods

  4.9 (198)

  Vitamin & supplements store

  3178 N Clark St, Chicago, IL 60657

  Directions(773) 327-1023

• Cutting back on the essentials: Can manipulating intake of specific amino acids modulate health and lifespan?

  HM Brown-Borg, R Buffenstein - Ageing research reviews, 2017 - Elsevier

  … health- and lifespan and the mechanisms involved. Rodent diets containing either lower methionine content, or tryptophan… restricted intake of methionine and tryptophan are due to their …

  201784 citations

• Exercise training restores longevity‐associated tryptophan metabolite 3‐hydroxyanthranilic acid levels in middle‐aged adults

  N Joisten, M Reuter, F Rosenberger… - Acta …, 2025 - Wiley Online Library

  … enzymes as potential targets for healthy aging or lifespan extension, such as tryptophan 2,3-… supplementation investigated in the mouse model was more effective in lifespan extension …

  20253 citations

• L-Tryptophan: Basic Metabolic Functions, Behavioral Research and Therapeutic Indications

  DM Richard, MA Dawes, CW Mathias… - … of Tryptophan …, 2009 - journals.sagepub.com

  … -tryptophan, particularly L-tryptophan depletion, and on clinical trials that have been conducted using L-tryptophan supplementation. … changes in healthy adults, tryptophan depletion has …

  2009967 citations

• Analysis, nutrition, and health benefits of tryptophan

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

  … For example, it has been reported that the dietary supplementation of tryptophan to healthy adults (n = 35) for the study period did not result in significant changes in serum cytokine …

  2018398 citations

• Harnessing Dietary Tryptophan: Bridging the Gap Between Neurobiology and Psychiatry in Depression Management

  AC Chehadi, E Pereira de Lima… - International Journal of …, 2026 - mdpi.com

  … and glial function, further linking gut health to brain plasticity and cognition [… supplementation [291,292]. By juxtaposing data from acute Trp depletion, non-plant derived supplementation…

  20265 citations

• Nutritional importance of tryptophan for improving treatment in depression and diabetes

  DJ Haleem - 2023 - academic.oup.com

  … The importance of tryptophan supplementation for … for the optimal physiological and mental functions of our body, where bioactive metabolites of tryptophan help improve human health. …

  202314 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-04-24. DSLD Label ID: 328618. 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.