PlainVitamins

Melatonin 3 mg

by GNC · tablet or pill · 120 vegetarian tablets

  • On the market (NIH)
  • UPC 0 48107 21161 5
  • DSLD label 224770
  • Serving 1 tablet

Melatonin 3 mg by GNC lists 3 ingredients, 3 with an amount per serving of 1 tablet, such as 2 mg of vitamin B6, 45 mg of calcium and 3 mg of melatonin. Its current label entered the NIH Dietary Supplement Label Database on June 24, 2020.

What is in Melatonin 3 mg?

Each row as the label prints it, per serving of 1 tablet. 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).

Melatonin 3 mg: Supplement Facts rows against the market (DSLD label 224770, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine Hydrochloride)2 mg118%Vitamin B6 in Melatonin 3 mg against 15,277 products2 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg2 mg

69% of 15,277 products listing vitamin B6 give more (median 6 mg).

Calcium45 mg3%Calcium in Melatonin 3 mg against 17,831 products45 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg45 mg

78% of 17,831 products listing calcium give more (median 115 mg).

Melatonin3 mgMelatonin in Melatonin 3 mg against 1,557 products3 mg per serving; the middle half of products list 2 mg to 5 mg, the median 3 mg.3 mg

38% of 1,557 products listing melatonin give more (median 3 mg).

Source: NIH ODS Dietary Supplement Label Database, label 224770 (entered June 24, 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?

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, take one tablet before bedtime. Do not exceed one tablet in any 24-hour period.
Warnings
Keep out of reach of children.
Warning: For adult use only at bedtime.
This product is not to be taken by pregnant or lactating women. If you are taking medication or have a medical condition, consult a physician before using this product.
Do not use in conjunction with alcoholic beverages, when driving a vehicle, or while operating machinery.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 224770.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Microcrystalline Cellulose, Stearic Acid, Magnesium Stearate.

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

How many labels does Melatonin 3 mg have?

7 labels are on file under this name since October 26, 2011: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 224770 (current) Entered June 24, 2020 · on the market · 120 vegetarian tablets · UPC 0 48107 21161 5
  2. Label 74728 Entered August 22, 2017 · off the market December 13, 2022 · 120 vegetarian tablets · UPC 0 48107 12305 5
  3. Label 74794 Entered June 23, 2017 · off the market December 13, 2022 · 60 tablets · UPC 0 48107 12370 3
  4. Label 28726 Entered December 24, 2013 · off the market December 13, 2022 · 60 vegetarian tablets · UPC 0 48107 12965 1
  5. Label 28650 Entered December 24, 2013 · off the market May 11, 2017 · 60 tablets · UPC 0 48107 12370 3
  6. Label 28603 Entered December 24, 2013 · off the market May 11, 2017 · 120 vegetarian tablets · UPC 0 48107 12305 5
  7. Label 1431 Entered October 26, 2011 · off the market December 13, 2022 · 120 vegetarian tablets · UPC 0 48107 01479 7

DSLD also links this label to: Melatonin 3 mg Timed-Release (package size difference, same product).

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

Who makes it?

The label names General Nutrition Corporation (distributor), Pittsburgh, PA. All GNC products.

Where next?