L-5-Hydroxytryptophan
amino acid
65
products
Updated April 2026Dosage Range
3 mgavg 82.19 mg400 mg
L-5-Hydroxytryptophan is found in 162 supplement products from 33 brands. Dosages range from 3 to 400 mg, with an average of 82.19. The most common form is Capsule.
Top 5 Highest-Dosage L-5-Hydroxytryptophan Supplements
- Seratonin by Allergy Research Group — 400 mg
- 5-HTP Plus+ 200 mg by NatureWise — 200 mg
- Somnolin by Metagenics — 200 mg
- In Joy by Redd Remedies — 150 mg
- 5HTP 100 mg by Genestra Brands — 100 mg
Seratonin by Allergy Research Group has the highest L-5-Hydroxytryptophan dosage at 400 mg. HGH Surge by Source Naturals has the lowest at 50 mg.
All Products
showing 65 of 65| Product | Brand | Amount | Daily Value | Form |
|---|---|---|---|---|
| Seratonin | Allergy Research Group | 400 mg | — | Capsule |
| 5-HTP Plus+ 200 mg | NatureWise | 200 mg | — | Capsule |
| Somnolin● OTHER INGREDIENTS (1) | Metagenics | 200 mg | — | Tablet or Pill |
| In Joy● OTHER INGREDIENTS (2) | Redd Remedies | 150 mg | — | Tablet or Pill |
| 5HTP 100 mg | Genestra Brands | 100 mg | — | Capsule |
| 5-HTP 100 mg | Allergy Research Group | 100 mg | — | Capsule |
| 5-HTP 100 mg | MRM Nutrition | 100 mg | — | Capsule |
| 5-HTP 100● OTHER INGREDIENTS (2) | DC | 100 mg | — | Capsule |
| Calm/Recharge● OTHER INGREDIENTS (1) | Allergy Research Group | 100 mg | — | Powder |
| SeroSyn● OTHER INGREDIENTS (1) | Metagenics | 100 mg | — | Capsule |
| Zen Sleep with P5P and 5-HTP | Allergy Research Group | 100 mg | — | Capsule |
| 5-HTP Plus● OTHER INGREDIENTS (2) | Natrol | 100 mg | — | Tablet or Pill |
| 5-HTP● OTHER INGREDIENTS (2) | Nature's Way | 100 mg | — | Tablet or Pill |
| 5-HTP SAP 100 mg● OTHER INGREDIENTS (2) | NFH | 100 mg | — | Capsule |
| 5HTP 100 mg | Vital Nutrients | 100 mg | — | Capsule |
| 5-HTP w/SRT● OTHER INGREDIENTS (2) | Jigsaw Health | 100 mg | — | Tablet or Pill |
| Sleep● OTHER INGREDIENTS (1) | youtheory | 100 mg | — | Powder |
| Sleep Nighttime Powder● OTHER INGREDIENTS (1) | youtheory | 100 mg | — | Powder |
| 5-HTP with Vitamin B6 & Vitamin C● OTHER INGREDIENTS (2) | Lake Avenue Nutrition | 100 mg | — | Capsule |
| 5-HTP 100 mg● OTHER INGREDIENTS (2) | Foster Regal | 100 mg | — | Capsule |
| 5-HTP Plus Formula● OTHER INGREDIENTS (1) | Douglas Laboratories | 75 mg | — | Capsule |
| Anxiety Balance● OTHER INGREDIENTS (1) | Priority One Nutritional Supplements | 75 mg | — | Capsule |
| SIBO-MMC● OTHER INGREDIENTS (2) | Priority One Nutritional Supplements | 75 mg | — | Capsule |
| Relora Calm● OTHER INGREDIENTS (2) | The Vitamin Shoppe | 75 mg | — | Capsule |
| ClearMood● OTHER INGREDIENTS (2) | AdvoCare | 60 mg | — | Capsule |
| W.L. Energizer | Priority One Nutritional Supplements | 51 mg | — | Capsule |
| 5-HTP & Melatonin● OTHER INGREDIENTS (1) | Swanson | 50 mg | — | Capsule |
| 5-HTP With Vitamin B6 50 mg● OTHER INGREDIENTS (1) | The Vitamin Shoppe | 50 mg | — | Capsule |
| Stress Adaptogens | MRM | 50 mg | — | Capsule |
| 5-HTP 50 mg● OTHER INGREDIENTS (1) | Solaray | 50 mg | — | Capsule |
| At Ease PM● OTHER INGREDIENTS (2) | Redd Remedies | 50 mg | — | Capsule |
| 5-HTP● OTHER INGREDIENTS (1) | Douglas Laboratories | 50 mg | — | Capsule |
| End Fatigue Revitalizing Sleep Formula● OTHER INGREDIENTS (2) | Integrative Therapeutics | 50 mg | — | Capsule |
| 5-HTP 50 mg● OTHER INGREDIENTS (2) | Foster Regal | 50 mg | — | Capsule |
| Relax-ALL Sleep | MRM Nutrition | 50 mg | — | Capsule |
| Sleep-Eze | Viva Vitamins | 50 mg | — | Tablet or Pill |
| 5-HTP● OTHER INGREDIENTS (2) | DC | 50 mg | — | Capsule |
| 5-HTP 50 mg | MRM Nutrition | 50 mg | — | Capsule |
| 5-HTP | Integrative Therapeutics | 50 mg | — | Capsule |
| 5-HTP 50 mg● OTHER INGREDIENTS (2) | Swanson | 50 mg | — | Capsule |
| 5-HTP 50 mg | Allergy Research Group | 50 mg | — | Capsule |
| 5-HTP SAP 50 mg● OTHER INGREDIENTS (2) | NFH | 50 mg | — | Capsule |
| Appetite Control Formula | SuperSmart | 50 mg | — | Capsule |
| Somulin● OTHER INGREDIENTS (1) | Pharmaxa Labs | 45 mg | — | Capsule |
| PureBalance Seratonin● OTHER INGREDIENTS (1) | Quality Of Life | 33 mg | — | Capsule |
| R.E.M.● OTHER INGREDIENTS (1) | Priority One Nutritional Supplements | 30 mg | — | Capsule |
| At Ease● OTHER INGREDIENTS (2) | Redd Remedies | 25 mg | — | Tablet or Pill |
| Super Hydroxy Max● OTHER INGREDIENTS (2) | Douglas Laboratories | 25 mg | — | Tablet or Pill |
| Free Aminos | Allergy Research Group | 20 mg | — | Capsule |
| 5-Hydroxy Gaba● OTHER INGREDIENTS (1) | Priority One Nutritional Supplements | 15 mg | — | Capsule |
| Smokers Cleanse 3● OTHER INGREDIENTS (1) | Renew Life | 10 mg | — | Capsule |
| Mood Aid With 5-HTP & St. John's Wort● OTHER INGREDIENTS (1) | Nature's Way | 3 mg | — | Capsule |
| Maximum Strength 5-HTP 200 mgDiscontinued● OTHER INGREDIENTS (1) | Swanson Ultra | 200 mg | — | Capsule |
| Ultra 5-HTP FormulaDiscontinued⚠ EXCEEDS UL● OTHER INGREDIENTS (1) | Douglas Laboratories | 125 mg | — | Capsule |
| Enteric Coated 5-HTP Extra Strength 100 mgDiscontinued● OTHER INGREDIENTS (3) | Swanson Ultra | 100 mg | — | Tablet or Pill |
| Extra-Strength 5-HTP 100 mgDiscontinued● OTHER INGREDIENTS (2) | Swanson Ultra | 100 mg | — | Capsule |
| 5-HTP 100 mgDiscontinued | MRM | 100 mg | — | Capsule |
| 5-HTP With Vitamin B6 100 mgDiscontinued● OTHER INGREDIENTS (2) | The Vitamin Shoppe | 100 mg | — | Capsule |
| 5-HTP 100 mgDiscontinued● OTHER INGREDIENTS (1) | Klaire Labs | 100 mg | — | Capsule |
| 5-HTPDiscontinued | Allergy Research Group | 50 mg | — | Capsule |
| 5-HTP 50 mgDiscontinued● OTHER INGREDIENTS (1) | Klaire Labs | 50 mg | — | Capsule |
| 5-HTP 50 mgDiscontinued● OTHER INGREDIENTS (2) | Swanson Premium Brand | 50 mg | — | Capsule |
| 5-HTP 50 mgDiscontinued | MRM | 50 mg | — | Capsule |
| 5-HTP L-5-HydroxytryptophanDiscontinued | Allergy Research Group | 50 mg | — | Capsule |
| HGH SurgeDiscontinued⚠ EXCEEDS UL● OTHER INGREDIENTS (2) | Source Naturals | 50 mg | — | Tablet or Pill |
End Fatigue Revitalizing Sleep Formula
● OTHER INGREDIENTS (2)
Integrative Therapeutics50 mg— DVCapsule
Ultra 5-HTP FormulaDiscontinued
⚠ EXCEEDS UL
● OTHER INGREDIENTS (1)
Douglas Laboratories125 mg— DVCapsule
Enteric Coated 5-HTP Extra Strength 100 mgDiscontinued
● OTHER INGREDIENTS (3)
Swanson Ultra100 mg— DVTablet or Pill
Frequently Asked Questions
How many products contain L-5-Hydroxytryptophan?
There are 162 supplement products containing L-5-Hydroxytryptophan from 33 brands in the NIH DSLD database.
What is the average L-5-Hydroxytryptophan dosage?
The average L-5-Hydroxytryptophan dosage across supplement products is 82.19 mg. Dosages range from 3 to 400 mg.
What is the most common form for L-5-Hydroxytryptophan supplements?
The most common product form for L-5-Hydroxytryptophan supplements is Capsule.
What brands make L-5-Hydroxytryptophan supplements?
There are 33 brands that make supplements containing L-5-Hydroxytryptophan in the NIH DSLD database.
Related Ingredients
Explore More
Quick Facts
- Products
- 162
- Brands
- 33
- Avg Dose
- 82.19 mg
- Common Form
- Capsule
- Category
- amino acid