5-HTP 50 mg
by H&B Holland & Barrett · capsule · 120 capsules
- On the market (NIH)
- DSLD label 321884
- Serving 1 to 2 capsules; amounts per 1 capsule
- 120 servings
5-HTP 50 mg by H&B Holland & Barrett lists 5 ingredients, 5 with an amount per serving of 1 capsule, such as 5 mg NE of niacin, 5 mg of vitamin B6, 25 mg of magnesium and 250 mg of griffonia seed extract. Its current label entered the NIH Dietary Supplement Label Database on January 23, 2025.
What is in 5-HTP 50 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 |
|---|---|---|---|
| Niacin | 5 mg NE | 31% | 89% of 12,413 products listing niacin give more (median 20 mg). |
| Vitamin B6 | 5 mg | 357% | 51% of 15,277 products listing vitamin B6 give more (median 6 mg). |
| Magnesium | 25 mg | 7% | 77% of 14,003 products listing magnesium give more (median 86 mg). |
| Griffonia seed extract(non-selective) (4:1 Extract, equivalent to 1000mg Griffonia seed) | 250 mg | Higher than 93% of 44 products listing griffonia (median 50.25 mg). | |
| 5-Htpsupplying 20% | 50 mg | 55% of 676 products listing 5-HTP give more (median 100 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 321884 (entered January 23, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:
- 89% of the 12,413 products that print an amount of niacin list more than its 5 mg of niacin (median 20 mg).
- Its 250 mg of griffonia is higher than 93% of the 44 griffonia products that print an amount; 1 list more.
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?
The products whose ingredient lists overlap most with 5-HTP 50 mg's, rare ingredients counting for more.
- L-5-HTP 100 mgVitamin Discount Center · off the market 3 shared, 71% alike
- 5-HTP 100 mgSimplySupplements 2 shared, 66% alike
- 5-HTP 50 mgSuperSmart · off the market 2 shared, 66% alike
- 5-HTP 100 mgSuperSmart 2 shared, 66% alike
- 5-HTP 100 mgEveryday Health 4 shared, 54% alike
- Enteric Coated 5-HTP 100 mg with Vitamin C & B-6Solaray 3 shared, 50% 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: Take 1-2 capsules per day, as needed or before bedtime.
- 1 a day
- Warnings
- Do not exceed stated dose. Food supplements must not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Discontinue use and consult a doctor if adverse reactions occur. Do not use if seal under cap is broken or missing.
- If you are pregnant, breastfeeding, taking any medications or under medical supervision, please consult a doctor or healthcare professional before use.
- Keep out of sight and reach of children. This product is not intended for use by persons under the age of 18.
- Allergens and what it does not contain
- This product doesn't contain artificial flavours, colours or sweeteners.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 321884.
What else is on the label?
Other ingredients: Griffonia seed extract, Hydroxypropyl Methylcellulose, Maltodextrin, Magnesium Oxide, Vitamin B6, Niacin, Magnesium Stearate.
How many labels does 5-HTP 50 mg have?
One label is on file, entered on January 23, 2025.
- Label 321884 (current) Entered January 23, 2025 · on the market · 120 capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Holland & Barrett (manufacturer), UK. All H&B Holland & Barrett products.