PlainVitamins

5-Htp

by DC · capsule · 120 capsules

  • On the market (NIH)
  • DSLD label 266917
  • Serving 1 capsule
  • 120 servings

5-Htp by DC lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 60 mg of vitamin C, 10 mg of vitamin B6 and 50 mg of L-5-hydroxytryptophan. Its current label entered the NIH Dietary Supplement Label Database on June 16, 2022.

What is in 5-Htp?

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: Supplement Facts rows against the market (DSLD label 266917, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Calcium Ascorbate60 mg67%Vitamin C in 5-HTP against 18,583 products60 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg60 mg

65% of 18,583 products listing vitamin C give more (median 100 mg). Per day at the most servings: 240 mg.

Vitamin B6as Pyridoxine Hydrochloride10 mg588%Vitamin B6 in 5-HTP against 15,277 products10 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg10 mg

Higher than 55% of 15,277 products listing vitamin B6 (median 6 mg). Per day at the most servings: 40 mg.

L-5-Hydroxytryptophanas Griffonia simplicifolia50 mg5-HTP in 5-HTP 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). Per day at the most servings: 200 mg.

Source: NIH ODS Dietary Supplement Label Database, label 266917 (entered June 16, 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 1 to 4 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?

6 products list the very same ingredients; the nearest amounts come first.

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: As a dietary supplement, start with a low dose of 1 capsule taken with a meal. Increase the dose slowly (every 3-5 days) up to a maximum of 4 capsules taken daily. Total daily intake should be divided into two or more doses, with no more than 2 capsules per dose.
Warnings
Tamper Evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Caution: This product should not be taken by children, pregnant or lactating women.
May cause gastrointestinal upset, diarrhea or nausea which usually disappears by reducing dosage or is minimized by taking with food. As with any supplement, if discomfort persists discontinue use. Those suffering from gut disorders such as ulcers, irritable bowel disease, Crohn's disease, celiac disease, etc., should not use 5-HTP.
Those using MAO-inhibitors, antidepressants and drugs containing fenfluramine should not use 5-HTP.
May cause drowsiness. Do not use while driving or operating machinery.
Keep out of reach of children.
Allergens and what it does not contain
Gluten free
Storage
Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).

Source: label statements in DSLD label 266917.

What else is on the label?

Other ingredients: Vegetable Cellulose, Gelatin, Vegetable Magnesium Stearate, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Quali Pure; Ko Kosher Service.

How many labels does 5-Htp have?

6 labels are on file under this name since February 25, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 266917 (current) Entered June 16, 2022 · on the market · 120 capsules
  2. Label 266901 Entered June 16, 2022 · on the market · 60 capsules
  3. Label 266898 Entered June 16, 2022 · on the market · 60 capsules
  4. Label 266895 Entered June 16, 2022 · on the market · 30 capsules
  5. Label 266891 Entered June 16, 2022 · on the market · 30 capsules
  6. Label 245002 Entered February 25, 2021 · on the market · N/A

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

Who makes it?

The label names Dee Cee Laboratories, Inc. (manufacturer), White House, TN. All DC products.

Where next?