PlainVitamins

Sleep Well

by Supplement Spot · capsule · 60 capsules

  • On the market (NIH)
  • DSLD label 264652
  • Serving 1 to 2 vegetable capsules; amounts per 2 vegetable capsules
  • 30 servings

Sleep Well by Supplement Spot lists 7 ingredients, 7 with an amount per serving of 2 vegetable capsules, such as 200 mg of magnesium, 400 mg of L-theanine, 100 mg of GABA and 100 mg of phellodendron root powder. Its current label entered the NIH Dietary Supplement Label Database on May 19, 2022.

What is in Sleep Well?

Each row as the label prints it, per serving of 2 vegetable 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 Well: Supplement Facts rows against the market (DSLD label 264652, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas Magnesium Citrate, Magnesium Oxide200 mg48%Magnesium in Sleep Well against 14,003 products200 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg200 mg

Higher than 75% of 14,003 products listing magnesium (median 86 mg).

L-Theanine400 mgTheanine in Sleep Well against 1,602 products400 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.400 mg

Higher than 97% of 1,602 products listing theanine (median 100 mg).

GABA100 mgGABA in Sleep Well 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).

Phellodendron root powder100 mgPhellodendron in Sleep Well against 52 products100 mg per serving; the middle half of products list 100 mg to 162.5 mg, the median 100 mg.100 mg

46% of 52 products listing phellodendron give more (median 100 mg).

Mucuna pruriens 15% extract100 mgCowhage in Sleep Well against 417 products100 mg per serving; the middle half of products list 60 mg to 400 mg, the median 125 mg.100 mg

53% of 417 products listing cowhage give more (median 125 mg).

5-Htp50 mg5-HTP in Sleep Well 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).

Melatonin2 mgMelatonin in Sleep Well against 1,557 products2 mg per serving; the middle half of products list 2 mg to 5 mg, the median 3 mg.2 mg

70% of 1,557 products listing melatonin give more (median 3 mg).

Source: NIH ODS Dietary Supplement Label Database, label 264652 (entered May 19, 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 400 mg of L-theanine (filed by NIH under theanine) is higher than 97% of the 1,602 theanine products that print an amount; 18 list more.

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
Suggested use: 1 to 2 capsules taken at bedtime or as directed by a healthcare professional.
Warnings
Caution: For relief of occasional sleeplessness only. Do not exceed the recommended dose.
This product is not intended for pregnant or nursing mothers, children under the age of 18, or individuals taking any prescription medication including anti-depressants.
Avoid driving or performing other potentially dangerous tasks while taking this formula. If you have questions about the advisability of taking this product, consult a physician prior to use.
This product is manufactured an packaged in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish and crustacean shellfish.
Keep out of the reach of children.
Do not use if safety seal is damaged or missing.
Allergens and what it does not contain
Non-GMO formula
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 264652.

What else is on the label?

Other ingredients: Rice powder, Vegetable Cellulose, Vegetable Magnesium Stearate, Silicon Dioxide, Titanium Dioxide.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Formulated in USA Sourced from a GMP Certified Facility.

How many labels does Sleep Well have?

One label is on file, entered on May 19, 2022.

  1. Label 264652 (current) Entered May 19, 2022 · on the market · 60 capsules

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

Who makes it?

The label names Supplement Spot, LLC (distributor), Kokomo, IN. All Supplement Spot products.

Where next?