5-HTP (5-Hydroxytryptophan) 50 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.

Serving Size: 1 Capsule(s) · 1–4 per day

Not Present

• 

  5-HTP mg Pure Encapsulations

  Pure Prescriptions4.8(83)

  $42.50
• 

  Best Naturals 5-HTP mg 120 Capsules

  Target4.6(197)

  $9.99
• 

  BulkSupplements.com 5-HTP Capsules 5-Hydroxytryptophan Amino Acid Supplement

  Walmart - BulkSupplements.com4.8(823)

  $20.97
• 

  NOW Foods 5-HTP 50 mg 30 Capsules

  Walmart - iHerb4.7(2700)

  $5.61Lowest
• 

  PureFormulas 5 HTP Complete 90 Capsules

  PureFormulas.com4.7(21)

  $26.39
• 

  Jarrow Formulas 5-HTP 100 mg 60 Capsules

  Pure Prescriptions4.7(454)

  $24.99
• 

  5-HTP Source Naturals

  Smallflower.com4.7(227)

  $10.00
• 

  Thorne Research 5-HTP

  Wellness Pharmacy4.6(687)

  $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.

• Holland & Barrett - Dalston Cross

  3.3 (40)

  Vitamin & Supplements Shop

  Unit 2B, Kingsland Shopping Centre, Kingsland High St, London E8 2LX

  Directions0330 058 2640

• Power Up Supplement

  4.9 (431)

  Vitamin & Supplements Shop

  601 Lea Bridge Rd, London E10 6AJ

  Directions020 3581 5180

• Holland & Barrett - Islington

  3.7 (44)

  Vitamin & Supplements Shop

  212 Upper St, London N1 1RL

  Directions0330 058 2640

• London Supplements

  3.7 (84)

  Vitamin & Supplements Shop

  13, Waverley Industrial Park Waverley Industrial Estate, Hailsham Dr, Harrow HA1 4TR

  Directions020 8863 0300

• Holland & Barrett - Hackney

  3.8 (48)

  Vitamin & Supplements Shop

  376 Mare St, London E8 1HR

  Directions0330 058 2640

• Holland & Barrett - Angel Islington

  3.8 (79)

  Vitamin & Supplements Shop

  21-22 Upper St, London N1 0PQ

  Directions0330 058 2640

• Holland & Barrett - Holloway Road

  3.5 (79)

  Vitamin & Supplements Shop

  416-418 Holloway Rd, London N7 6QD

  Directions0330 058 2640

• 5-Hydroxytryptophan (5-HTP): Natural occurrence, analysis, biosynthesis, biotechnology, physiology and toxicology

  ME Maffei - International journal of molecular sciences, 2020 - mdpi.com

  … This review describes the natural sources of 5-HTP, which represent the raw material from which 5-HTP may be extracted and purified for its use in drugs and dietary supplements, as …

  2020329 citations

• Construction of composite nanoparticles of β-cyclodextrin and corn starch encapsulating 5-hydroxytryptophan for sustained release and sleep improvement in vivo

  L Gao, L Gu, W Li, G Wang, J Zhao, W Chen… - International Journal of …, 2025 - Elsevier

  … 5-Hydroxytryptophan (5-HTP) is a functional food ingredient … for the encapsulation and sustained release of 5-HTP. The … profile and distribution of 5-HTP in rats, including serum, gut, …

  20255 citations

• Guest-host relationship of cyclodextrin and its pharmacological benefits

  F Alshati, TAA Alahmed, F Sami, MS Ali… - Current …, 2023 - benthamdirect.com

  … was in the order SBEβ-CD:5HTP> HPβ-CD:5-HTP> β-CD:5-HTP> 5-HTP, as the percentage cell … complexes of βcyclodextrins and 5-hydroxytryptophan: Enhancement of water solubility, …

  202322 citations

• Migraine headaches: opportunities for management with precision nutrition

  BI Brown - Nutritional Med J, 2022 - nmi.health

  … 5-HTP (5 mg per kg of body weight daily) when compared with placebo.However, it should be noted that both 5-HTP … by an unrestricted donation from Pure Encapsulations, Sudbury, MA…

  20224 citations

• Flavonoids improve neurotransmitters for Parkinson's treatment: mechanism and therapeutic potential

  Y Zhang, Y Bu, M Song, Z Hao, J Chen - Frontiers in Pharmacology, 2026 - frontiersin.org

  Parkinson’s disease (PD) is recognized as the second most common neurodegenerative disorder worldwide, and it stands out as one of the neurological conditions exhibiting the …

  2026

• 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

  … The purpose of this investigation was to determine the effects of supplementing with 100 mg daily of 5-Hydroxytryptophan (5-HTP) on indices of body composition in exercise-trained …

  202310 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-04-23. DSLD Label ID: 218675. 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.