PlainVitamins

5-HTP 50 mg

by Metabolic Maintenance · capsule · 60 capsules

  • On the market (NIH)
  • UPC 8 38287 00100 3
  • DSLD label 273943
  • Serving 1 capsule
  • 60 servings

5-HTP 50 mg by Metabolic Maintenance lists 4 ingredients, 4 with an amount per serving of 1 capsule, such as 3 mg of vitamin B6, 50 mg of 5-htp and 220 mg of glycine. Its current label entered the NIH Dietary Supplement Label Database on September 22, 2022.

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).

5-HTP 50 mg: Supplement Facts rows against the market (DSLD label 273943, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B63 mg176%Vitamin B6 in 5-HTP 50 mg against 15,277 products3 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg3 mg

64% of 15,277 products listing vitamin B6 give more (median 6 mg).

Pyridoxal 5-PhosphatePyridoxal 5' Phosphate5 mg
5-Htp50 mg5-HTP in 5-HTP 50 mg against 676 products50 mg per serving; the middle half of products list 50 mg to 100 mg, the median 100 mg.50 mg

55% of 676 products listing 5-HTP give more (median 100 mg).

Glycine220 mgGlycine in 5-HTP 50 mg against 1,078 products220 mg per serving; the middle half of products list 100 mg to 846 mg, the median 300 mg.220 mg

55% of 1,078 products listing glycine give more (median 300 mg).

Source: NIH ODS Dietary Supplement Label Database, label 273943 (entered September 22, 2022), 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?

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?

The products whose ingredient lists overlap most with 5-HTP 50 mg's, rare ingredients counting for more.

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: One (1) capsule daily, or as directed by a healthcare professional. Best taken between meals or at bedtime.
Warnings
Caution: Do not take with MAO inhibitors or tricyclic antidepressants.
Pregnant or lactating women, consult your healthcare professional before taking this product.
Keep tightly closed in a cool, dry place, out of the reach of children.
Allergens and what it does not contain
Egg free Gluten free Free of nuts Dairy free

Source: label statements in DSLD label 273943.

What else is on the label?

Other ingredients: Vegetarian Cellulose Capsule.

How many labels does 5-HTP 50 mg have?

One label is on file, entered on September 22, 2022.

  1. Label 273943 (current) Entered September 22, 2022 · on the market · 60 capsules · UPC 8 38287 00100 3

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Metabolic Maintenance (manufacturer), Sisters, Oregon. All Metabolic Maintenance products.

Where next?