PlainVitamins

The Best Sleep

by Natural Factors Three Brains · capsule · 90 vegetarian capsules

  • On the market (NIH)
  • UPC 0 68958 03058 6
  • DSLD label 220758
  • Serving 2 capsules
  • 45 servings

The Best Sleep by Natural Factors Three Brains lists 5 ingredients, 5 with an amount per serving of 2 capsules, such as 250 mg of passionflower extract, 150 mg of skullcap extract, 125 mg of california poppy extract and 125 mg of hawthorn powder. Its current label entered the NIH Dietary Supplement Label Database on May 22, 2020.

What is in The Best 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).

The Best Sleep: Supplement Facts rows against the market (DSLD label 220758, January 2026 release)
IngredientAmount% DVAmong products listing it
Passionflower extractPassionflower extract PlantPart: aerial Genus: Passiflora Species: incarnata Note: 4:1250 mgPassionflower in The Best Sleep against 562 products250 mg per serving; the middle half of products list 40 mg to 200 mg, the median 100 mg.250 mg

Higher than 81% of 562 products listing passionflower (median 100 mg).

Skullcap extractSkullcap extract PlantPart: aerial Genus: Scutellaria Species: lateriflora Note: 4:1150 mgSkullcap in The Best Sleep against 146 products150 mg per serving; the middle half of products list 50 mg to 443.75 mg, the median 142.5 mg.150 mg

Higher than 50% of 146 products listing skullcap (median 142.5 mg).

California Poppy extractCalifornia Poppy extract PlantPart: aerial Genus: Eschscholzia Species: californica Note: 4:1125 mgCalifornia Poppy in The Best Sleep against 40 products125 mg per serving; the middle half of products list 43.75 mg to 558 mg, the median 200 mg.125 mg

63% of 40 products listing california poppy give more (median 200 mg).

Hawthorn powder125 mgHawthorn in The Best Sleep against 589 products125 mg per serving; the middle half of products list 75 mg to 400 mg, the median 200 mg.125 mg

62% of 589 products listing hawthorn give more (median 200 mg).

Linden extractLinden extract PlantPart: flower Genus: Tilia Species: cordata Note: 5:1100 mg

Source: NIH ODS Dietary Supplement Label Database, label 220758 (entered May 22, 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?

1 product lists 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 Usage: 2 capsules per day before bedtime or as directed by a health professional.
Warnings
Cautions: As with any supplement, consult your health professional before use if you are pregnant, breastfeeding, or trying to conceive, or if you are taking medication, have a medical condition, or anticipate a surgery.
Keep out of the reach of children.
Sealed for your protection. Do not use if seal is broken.
Allergens and what it does not contain
Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, corn, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.
Storage
For freshness, store in a cool, dry place.

Source: label statements in DSLD label 220758.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Vegetarian Capsule, Magnesium Stearate, Silica.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): isura Non-GMO - Mass Spec Documentation Lab tested; Purity & Potency Guaranteed.

How many labels does The Best Sleep have?

2 labels are on file under this name since August 22, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 220758 (current) Entered May 22, 2020 · on the market · 90 vegetarian capsules · UPC 0 68958 03058 6
  2. Label 76054 Entered August 22, 2017 · off the market April 7, 2020 · 90 vegetarian capsules · UPC 0 68958 03058 6

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

Who makes it?

The label names Natural Factors Canada (manufacturer). All Natural Factors Three Brains products.

Where next?