5-HTP 100 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

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  5-HTP mg Metabolic Maintenance

  Covenant Health Products4.7(98)

  $46.00
• 

  Metabolic Maintenance - 5-htp 100 mg 60 caps

  Target4.7(98)

  $26.50
• 

  METABOLIc Maintenance Anxiety Control 90 Capsules

  iHerb4.8(147)

  $36.00
• 

  5-HTP mg Pure Encapsulations

  Pure Prescriptions4.8(83)

  $61.00
• 

  GNC 5-HTP 100mg 30 Count Capsules

  GNC4.3(6)

  $26.99
• 

  Nutricost 5-HTP Capsules

  Target4.7(2500)

  $19.95
• 

  MRM 5-HTP 100 mg 60 Vegan Capsules

  PureFormulas.com4.5(14)

  $19.99
• 

  Thorne Research 5-HTP

  Mayo Clinic Store4.6(690)

  $39.00

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.

• The Vitamin Shoppe

  4.6 (121)

  Vitamin & supplements store

  2383 Cottman Ave Suite 38B, Philadelphia, PA 19149

  Directions(215) 331-2023

• Primal Nutrition

  4.7 (75)

  Vitamin & supplements store

  8114 Roosevelt Blvd, Philadelphia, PA 19152

  Directions(215) 613-5693

• GNC

  4.1 (70)

  Vitamin & supplements store

  2047 Cottman Ave, Philadelphia, PA 19149

  Directions(215) 722-2947

• Optimal Nutrition

  4.9 (198)

  Vitamin & supplements store

  6003 Mansion Blvd, Pennsauken, NJ 08109

  Directions(856) 320-4670

• Philly Gainz

  4.9 (85)

  Vitamin & supplements store

  6011 Ridge Ave C1, Philadelphia, PA 19128

  Directions(215) 921-1951

• GNC

  4.1 (50)

  Vitamin & supplements store

  4640 E Roosevelt Blvd F2, Philadelphia, PA 19124

  Directions(215) 288-9130

• The Vitamin Shoppe

  4.5 (158)

  Vitamin & supplements store

  31 E City Ave #1, Bala Cynwyd, PA 19004

  Directions(610) 667-1527

• Nutrition Store: Going Out of Business Sale!

  4.8 (170)

  Vitamin & supplements store

  1879 Street Rd, Bensalem, PA 19020

  Directions(215) 638-7188

• The Impact of 5-Hydroxytryptophan Supplementation on Cognitive Function and Mood in Singapore Older Adults: A Randomized Controlled Trial

  S Li, CN Sutanto, X Xia, JE Kim - Nutrients, 2025 - mdpi.com

  … and mental health regulation [21,23,24,25]. Given that the participants in this study were cognitively healthy and had not previously taken 5-HTP supplementation, 100 mg was selected …

  20255 citations

• The Effects of 5-HTP on Body Composition: An 8-Week Preliminary RCT

  C Evans, V Mekhail, J Curtis, P Czartoryski… - … Dietary Supplements, 2023 - Taylor & Francis

  … suggests that 5-HTP intake … 5-HTP in exercise-trained individuals. Therefore, the purpose of this investigation was to determine the effects of supplementing with 100 mg daily of 5-HTP …

  202310 citations

• The mechanism of secretion and metabolism of gut-derived 5-hydroxytryptamine

  N Liu, S Sun, P Wang, Y Sun, Q Hu… - International journal of …, 2021 - mdpi.com

  … The kynurenine and 5-HT pathways are two main metabolic routes for Trp metabolism in … , plays a key role in the conversion of Trp to 5-hydroxytryptophan (5-HTP) [1,35]. 5-HT is rapidly …

  2021272 citations

• Effect of 5-hydroxytryptophan on fatigue in quiescent inflammatory bowel disease: a randomized controlled trial.

  M Truyens, T Lobatón, M Ferrante… - …, 2022 - research.dial.uclouvain.be

  … treatment period with either oral 5-HTP (100 mg) or placebo twice … , without intermediate washout (Supplementary Figure 2). … with 5-HTP led to a significant increase in serum 5-HTP and …

  202250 citations

• Adjunctive 5-hydroxytryptophan slow-release for treatment-resistant depression: clinical and preclinical rationale

  …, AD Krystal, KRR Krishnan, MG Caron - Trends in …, 2016 - cell.com

  … The cortisol rise after acute 100mg 5-HTP was fourfold higher … 5-HTP SR dose to 100mg/kg/day, even stronger 5-HT Ext -augmentation could have been achieved. As expected, 5-HTP …

  201699 citations

• The impact of 5-hydroxytryptophan supplementation on sleep quality and gut microbiota composition in older adults: A randomized controlled trial

  CN Sutanto, X Xia, CW Heng, YS Tan, DPS Lee, J Fam… - Clinical Nutrition, 2024 - Elsevier

  … (5-HTP) is known as a precursor of the sleep regulating neurotransmitter and hormone. However, efficacy of 5-HTP supplementation for … the impact of 5-HTP supplementation on sleep …

  202459 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-09-22. DSLD Label ID: 273945. 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.