5-Hydroxy-Tryptophan (100 mg)
by Priority One Nutritional Supplements · capsule · 90 vegetarian capsules
- On the market (NIH)
- UPC 8 15354 02000 6
- DSLD label 235578
- Serving 1 vegetarian capsule
5-Hydroxy-Tryptophan (100 mg) by Priority One Nutritional Supplements lists one ingredient: 100 mg of griffonia simplicifolia per serving of 1 vegetarian capsule. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2020.
What is in 5-Hydroxy-Tryptophan (100 mg)?
Each row as the label prints it, per serving of 1 vegetarian capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Griffonia simplicifoliaas L-5-HydroxytryptophanGriffonia simplicifolia (Form: 98% L-5-Hydroxytryptophan) PlantPart: seed Genus: Griffonia Species: simplicifolia | 100 mg | Higher than 52% of 44 products listing griffonia (median 50.25 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 235578 (entered September 25, 2020), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
3 products list the very same ingredients; the nearest amounts come first.
- 5-HtpHerbadiet same ingredients
- 5-HTP 100 mgNatural Grocers by Vitamin Cottage same ingredients
- Griffonex 5-HTPHealth Concerns same ingredients
- L-5-HTP 100 mgVitabase 1 shared, 67% alike
- 5-HTP Standardized Griffonia Extract 100 mgMartin Avenue Pharmacy 1 shared, 67% alike
- European L-5 HTP 100 mgCHK Nutrition 1 shared, 67% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Recommendations: Take one (1) capsule daily or as directed by your physician.
- Warnings
- Warning: If you are pregnant or breast feeding, consult your physician before using this product.
- Keep out of reach of children.
- Allergens and what it does not contain
- Contains no preservatives. Bisphenol-A (BPA) & Phthalate Free
- Non-GMO
- Storage
- Keep container tightly closed, store in a cool, dry place.
Source: label statements in DSLD label 235578.
What else is on the label?
Other ingredients: Rice Chelate, Vegetarian Capsule.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Certified.
How many labels does 5-Hydroxy-Tryptophan (100 mg) have?
One label is on file, entered on September 25, 2020.
- Label 235578 (current) Entered September 25, 2020 · on the market · 90 vegetarian capsules · UPC 8 15354 02000 6
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Priority One Nutritional Supplements, Inc. (distributor). All Priority One Nutritional Supplements products.