5-HTP (5-Hydroxytryptophan)

Suggested Use

SUGGESTED USAGE: Take 1 capsule daily; preferably on an empty stomach before bedtime; or as directed by your healthcare practitioner.

• 

  Protocol For Life Balance 5-HTP 100mg 90 Capsules

  Vitacost.com4.8(82)

  $30.00
• 

  Protocol For Life Balance 5-HTP 200 mg 60 Veg Capsules

  iHerb4.8(160)

  $32.00
• 

  Protocol For Life - 5-HTP 100mg

  Pure Prescriptions4.8(82)

  $30.00
• 

  5-Hydroxytryptophan

  ThorneVet

  $39.00
• 

  5-HTP 100 mg

  Curated Wellness4.8(82)

  $30.00
• 

  GNC 5-HTP 100mg 30 Count Capsules

  GNC4.4(7)

  $26.99
• 

  5-Htp

  Nutritionn

  $13.00
• 

  5-HTP 200 mg

  Curated Wellness4.8(160)

  $32.00

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

  4.5 (139)

  Vitamin & supplements store

  2317 N Tarrant Pkwy #437, Fort Worth, TX 76177

  Directions(817) 306-4640

• Nutrishop Fort Worth

  5.0 (312)

  Vitamin & supplements store

  3529 Heritage Trace Pkwy Ste 167, Fort Worth, TX 76244

  Directions(817) 741-1500

• GNC

  3.0 (83)

  Vitamin & supplements store

  8420 Denton Hwy, Watauga, TX 76148

  Directions(817) 788-0080

• Nutrition Nation

  4.9 (87)

  Vitamin & supplements store

  6530 Hawks Creek Ct Suite 101, Westworth Village, TX 76114

  Directions(682) 708-3043

• HEALTH HUT

  5.0 (88)

  Vitamin & supplements store

  723 Harwood Rd, Bedford, TX 76021

  Directions(817) 581-7180

• Sunshine Herbs Health Store

  4.9 (287)

  Herb shop

  1205 N Saginaw Blvd, Saginaw, TX 76179

  Directions(817) 232-4372

• The Vitamin Shoppe

  4.4 (172)

  Vitamin & supplements store

  1495 W Pipeline Rd, Hurst, TX 76053

  Directions(817) 282-9650

• GNC

  4.1 (57)

  Vitamin & supplements store

  9530 Feather Grass Ln #170, Fort Worth, TX 76177

  Directions(817) 750-0777

• 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

  … of L-tryptophan or 5-hydroxytryptophan that are administered as … These outcomes are biologically plausible, given that 5-HTP … insights showing that oral 5-HTP elevates central 5-HT …

  20265 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

  … of health and there is growing evidence on the association between gut microbiota composition and sleep quality. 5-Hydroxytryptophan (5-HTP… the impact of 5-HTP supplementation on …

  202455 citations

• Neurotransmitter-precursor-supplement intervention for detoxified heroin addicts

  D Chen, Y Liu, W He, H Wang, Z Wang - … Science and Technology [Medical …, 2012 - Springer

  … , L-glutamine and L-5-hydroxytryptophan (5-HTP) on heroin withdrawal syndromes and … treatment with tyrosine, lecithin, L-glutamine and 5-HTP and those in the control group (n=42) …

  201229 citations

• Role of tryptophan in health and disease: Systematic review of the anti-oxidant, anti-inflammation, and nutritional aspects of tryptophan and its metabolites

  RB Singh - World Heart Journal, 2019 - search.proquest.com

  … of the dietary supplement 5-hydroxytryptophan (5-HTP) for the … , the amount of endogenous 5-HTP available for serotonin … The amount of 5-HTP reaching the central nervous system (…

  201958 citations

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

  M Truyens, T Lobatón, M Ferrante, P Bossuyt… - Gastroenterology, 2022 - Elsevier

  … Based on the hypothetical link between low serum tryptophan concentrations and fatigue, we determined the effect of 5-hydroxytryptophan supplementation on fatigue in patients with …

  202248 citations

• Defeating Depression: A Holistic Approach.

  C BJORNDAL, S SPEER - Naturopathic Doctor News & Review, 2021 - openurl.ebsco.com

  … lemons, parsnips, dandelion greens, selective serotonin-reuptake inhibitors high in raw fruits and vegetables, whole to 5-hydroxytryptophan (5-HTP) Foods watercress, and burdock root…

  2021

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2016-12-23. DSLD Label ID: 67720. 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.