Stay A Sleep

by Signature Supplements · capsule · 100 capsules

  • On the market (NIH)
  • DSLD label 338951
  • Serving 2 to 4 capsules; amounts per 2 capsules
  • 50 servings

Stay A Sleep by Signature Supplements lists 8 ingredients, 8 with an amount per serving of 2 capsules, such as 200 mg of valerian, 125 mg of passionflower whole plant extract, 100 mg of magnesium and 100 mg of L-theanine. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2025.

What is in Stay A Sleep?

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).

Stay A Sleep: Supplement Facts rows against the market (DSLD label 338951, January 2026 release)
IngredientAmount% DVAmong products listing it
Valerian200 mgValerian in Stay A Sleep 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).

Passionflower Whole Plant Extractas Flavonoids2.6% flavonoids125 mgPassionflower in Stay A Sleep against 562 products125 mg per serving; the middle half of products list 40 mg to 200 mg, the median 100 mg.125 mg

Higher than 62% of 562 products listing passionflower (median 100 mg).

Magnesiumas Magnesium Citrate100 mg32%Magnesium in Stay A Sleep against 14,003 products100 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg100 mg

Higher than 51% of 14,003 products listing magnesium (median 86 mg).

L-Theanine100 mgTheanine in Stay A Sleep against 1,602 products100 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.100 mg

47% of 1,602 products listing theanine give more (median 100 mg).

Hops Flower Extract100 mgHops in Stay A Sleep against 342 products100 mg per serving; the middle half of products list 50 mg to 150 mg, the median 75 mg.100 mg

Higher than 54% of 342 products listing hops (median 75 mg).

Papaya Enzyme50 mgPapain in Stay A Sleep against 607 products50 mg per serving; the middle half of products list 20 mg to 75 mg, the median 40 mg.50 mg

Higher than 55% of 607 products listing papain (median 40 mg).

Wild lettuce40 mg
Jamaican Dogwood Root Extract35 mg

Source: NIH ODS Dietary Supplement Label Database, label 338951 (entered September 25, 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?

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 Stay A Sleep'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: For adults, take 2 to 4 capsules 30 minutes prior to going to sleep.
Warnings
As a reminder, discuss the supplements and medications you take with your health care providers.
Allergens and what it does not contain
NO: Chemical Fillers or Binders, Artificial coloring, artificial flavor, preservatives, yeast, corn, milk or milk derivatives, lactose, salt, sodium, soy, sugar, gluten, starch or wheat.

Source: label statements in DSLD label 338951.

What else is on the label?

Other ingredients: Cellulose, Diatomaceous Earth.

How many labels does Stay A Sleep have?

One label is on file, entered on September 25, 2025.

  1. Label 338951 (current) Entered September 25, 2025 · on the market · 100 capsules

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

Who makes it?

The label names Signature Supplements (distributor), San Clemente, CA. All Signature Supplements products.

Where next?