PlainVitamins

Sleep Support

by GNC Preventive Nutrition · capsule · 60 capsules

  • On the market (NIH)
  • UPC 0 48107 24178 0
  • DSLD label 315311
  • Serving 2 capsules
  • 30 servings

Sleep Support by GNC Preventive Nutrition lists 7 ingredients, 7 with an amount per serving of 2 capsules, such as 105 mg of magnesium, 200 mg of valerian root extract, 120 mg of ashwagandha leaf, root extract and 100 mg of gamma aminobutyric acid. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2024.

What is in Sleep Support?

Each row as the label prints it, per serving of 2 capsules. 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).

Sleep Support: Supplement Facts rows against the market (DSLD label 315311, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas Magnesium Oxide105 mg25%Magnesium in Sleep Support against 14,003 products105 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg105 mg

Higher than 63% of 14,003 products listing magnesium (median 86 mg).

Valerian Root Extract200 mgValerian in Sleep Support against 647 products200 mg per serving; the middle half of products list 80 mg to 450 mg, the median 200 mg.200 mg

44% of 647 products listing valerian give more (median 200 mg).

Valerenic Acidstandardized to 2%4 mg
Ashwagandha Leaf, Root Extractas Withania somnifera Leaf Extract, Withania somnifera Root Extract120 mgAshwagandha in Sleep Support against 1,646 products120 mg per serving; the middle half of products list 125 mg to 500 mg, the median 250 mg.120 mg

76% of 1,646 products listing ashwagandha give more (median 250 mg).

Glycowithanolidesstandardized to 35%42 mg
Gamma Aminobutyric Acid100 mgGABA in Sleep Support against 744 products100 mg per serving; the middle half of products list 80 mg to 400 mg, the median 100 mg.100 mg

48% of 744 products listing GABA give more (median 100 mg).

Griffonia seed extract50.5 mgGriffonia in Sleep Support against 44 products50.5 mg per serving; the middle half of products list 50 mg to 102 mg, the median 50.25 mg.50.5 mg

Higher than 50% of 44 products listing griffonia (median 50.25 mg).

5-Hydroxytryptophanstandardized to 99%50 mg5-HTP in Sleep Support 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).

Source: NIH ODS Dietary Supplement Label Database, label 315311 (entered September 25, 2024), 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 Sleep Support'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: As a dietary supplement, take two capsules daily 30-60 minutes before bed.
Warnings
Keep out of reach of children.
Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication or have a medical condition.
Discontinue use two weeks prior to surgery.
Allergens and what it does not contain
No artificial colors, no artificial flavors, gluten free.
Melatonin free
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 315311.

What else is on the label?

Other ingredients: Gelatin, Hydroxypropylmethylcellulose, Magnesium Stearate, Silicon Dioxide.

How many labels does Sleep Support have?

One label is on file, entered on September 25, 2024.

  1. Label 315311 (current) Entered September 25, 2024 · on the market · 60 capsules · UPC 0 48107 24178 0

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

Who makes it?

The label names GNC Holdings, LLC (distributor), Pittsburgh, PA. All GNC Preventive Nutrition products.

Where next?