5-HTP L-5-Hydroxytryptophan 100 mg
by PhysioLogics · capsule · 120 vegetarian capsules
- Off the market since March 2016 (NIH)
- UPC 7 16963 05318 1
- DSLD label 29200
- Serving 1 capsule
5-HTP L-5-Hydroxytryptophan 100 mg by PhysioLogics lists 4 ingredients, 4 with an amount per serving of 1 capsule, such as 10 mg of vitamin B-6, 50 mg of magnesium, 100 mg of 5-hydroxytryptophan and 100 mg of valerian root extract. Its current label entered the NIH Dietary Supplement Label Database on January 24, 2014.
What is in 5-HTP L-5-Hydroxytryptophan 100 mg?
Each row as the label prints it, per serving of 1 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 |
|---|---|---|---|
| Vitamin B-6as Pyridoxal 5-Phosphate, Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine Hydrochloride, and Pyridoxal-5'-Phosphate) | 10 mg | 500% | Higher than 55% of 15,277 products listing vitamin B6 (median 6 mg). Per day at the most servings: 20 mg. |
| Magnesiumas Magnesium Glycinate, Magnesium OxideMagnesium (Form: as Magnesium Oxide, and Magnesium Glycinate) | 50 mg | 13% | 59% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 100 mg. |
| 5-Hydroxytryptophanas Griffonia simplicifolia Seed Extract5-HTP (Form: from Griffonia extract PlantPart: seed Genus: Griffonia Species: simplicifolia) | 100 mg | 18% of 676 products listing 5-HTP give more (median 100 mg). Per day at the most servings: 200 mg. | |
| Valerian root extract | 100 mg | 64% of 647 products listing valerian give more (median 200 mg). Per day at the most servings: 200 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 29200 (entered January 24, 2014), 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 2 servings 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-HTP L-5-Hydroxytryptophan 100 mgGood 'N Natural · off the market same ingredients
- 5-HTP 100 mgSolgar same ingredients
- 5-HtpSolgar · off the market same ingredients
- Double Strength 5-HTP L-5-Hydroxytryptophan 100 mgGood 'N Natural · off the market 4 shared, 86% alike
- 5-HTP (Griffonia Simplicifolia Extract) 100 mgWindmill 4 shared, 86% alike
- 5-Htp 100DC 4 shared, 86% 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
- Directions: For adults, take one (1) capsule twice daily as needed or at bedtime as 5-HTP may produce drowsiness or follow the advice of your health care professional.
- Warnings
- Not intended for use by persons under the age of 18.
- KEEP OUT OF REACH OF CHILDREN.
- Discontinue use and consult your doctor if any adverse reactions occur. Do not drive, operate machinery or consume alcohol when taking this product.
- TAMPER RESISTANT: Do not use if seal under cap is broken or missing.
- WARNING: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.
- Allergens and what it does not contain
- FREE OF: artificial color, artificial flavor, artificial sweetener, preservatives, sugar, starch, milk, lactose, soy, gluten, wheat, yeast, fish, sodium.
- Storage
- Store at room temperature and avoid excessive heat.
Source: label statements in DSLD label 29200.
What else is on the label?
Other ingredients: Cellulose, Vegetable Magnesium Stearate.
How many labels does 5-HTP L-5-Hydroxytryptophan 100 mg have?
2 labels are on file under this name since December 23, 2011: other sizes, label designs and reformulations. The current one leads this page.
- Label 29200 (current) Entered January 24, 2014 · off the market March 1, 2016 · 120 vegetarian capsules · UPC 7 16963 05318 1
- Label 3918 Entered December 23, 2011 · off the market December 10, 2013 · 120 capsules · UPC 7 16963 05318 1
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names PhysioLogics, LLC (manufacturer), Ronkonkoma, NY, U.S.A.. All PhysioLogics products.