High-Dose L-5-Hydroxytryptophan Supplements

27 products above 100 mg

27 supplements contain high-dose L-5-Hydroxytryptophan (above 100 mg). The highest dosage product is Seratonin at 400 mg.

Low Dose (32)High Dose (27)

High-Dose Products (sorted by dosage)

Product	Brand	Dosage	% DV
Seratonin	Allergy Research Group	400 mg	—
5-HTP Plus+ 200 mg	NatureWise	200 mg	—
Somnolin	Metagenics	200 mg	—
Maximum Strength 5-HTP 200 mgdiscontinued	Swanson Ultra	200 mg	—
In Joy	Redd Remedies	150 mg	—
Ultra 5-HTP Formuladiscontinued	Douglas Laboratories	125 mg	—
Enteric Coated 5-HTP Extra Strength 100 mgdiscontinued	Swanson Ultra	100 mg	—
5HTP 100 mg	Genestra Brands	100 mg	—
5-HTP 100 mg	Allergy Research Group	100 mg	—
5-HTP 100 mg	MRM Nutrition	100 mg	—
5-HTP 100	DC	100 mg	—
Calm/Recharge	Allergy Research Group	100 mg	—
Extra-Strength 5-HTP 100 mgdiscontinued	Swanson Ultra	100 mg	—
SeroSyn	Metagenics	100 mg	—
Zen Sleep with P5P and 5-HTP	Allergy Research Group	100 mg	—
5-HTP Plus	Natrol	100 mg	—
5-HTP	Nature's Way	100 mg	—
5-HTP SAP 100 mg	NFH	100 mg	—
5-HTP 100 mgdiscontinued	MRM	100 mg	—
5-HTP With Vitamin B6 100 mgdiscontinued	The Vitamin Shoppe	100 mg	—
5HTP 100 mg	Vital Nutrients	100 mg	—
5-HTP 100 mgdiscontinued	Klaire Labs	100 mg	—
5-HTP w/SRT	Jigsaw Health	100 mg	—
Sleep	youtheory	100 mg	—
Sleep Nighttime Powder	youtheory	100 mg	—
5-HTP with Vitamin B6 & Vitamin C	Lake Avenue Nutrition	100 mg	—
5-HTP 100 mg	Foster Regal	100 mg	—

Frequently Asked Questions

What is considered high-dose L-5-Hydroxytryptophan?

Based on 162 products in the NIH DSLD database, high-dose L-5-Hydroxytryptophan supplements contain 100+ mg.

Is high-dose L-5-Hydroxytryptophan safe?

This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including L-5-Hydroxytryptophan.

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