PlainVitamins

Day

by Natrol · tablet or pill · 10 tablets

  • On the market (NIH)
  • UPC 0 47469 05458 8
  • DSLD label 274871
  • Serving 1 tablet
  • 10 servings

Day by Natrol lists 6 ingredients, 6 with an amount per serving of 1 tablet, such as 10 mg of vitamin B6, 333 mcg DFE of folate, 50 mcg of vitamin B12 and 50 mg of 5-htp. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2022.

What is in Day?

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).

Day: Supplement Facts rows against the market (DSLD label 274871, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine Hydrochloride)10 mg590%Vitamin B6 in Day against 15,277 products10 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg10 mg

Higher than 55% of 15,277 products listing vitamin B6 (median 6 mg). Per day at the most servings: 20 mg.

Folate333 mcg DFE80%
Folic Acid200 mcg
Vitamin B12as Cyanocobalamin50 mcg2,080%Vitamin B12 in Day against 14,425 products50 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg50 mcg

Higher than 51% of 14,425 products listing vitamin B12 (median 36 mcg). Per day at the most servings: 100 mcg.

5-Htpas Griffonia simplicifolia5-HTP (Form: from Griffonia simplicifolia PlantPart: seed Genus: Griffonia Species: simplicifolia) (Alt. Name: 5-Hydroxytryptophan)50 mg5-HTP in Day 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). Per day at the most servings: 100 mg.

Suntheanine50 mgTheanine in Day against 1,602 products50 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.50 mg

79% of 1,602 products listing theanine give more (median 100 mg). Per day at the most servings: 100 mg.

Source: NIH ODS Dietary Supplement Label Database, label 274871 (entered November 22, 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:

  • 79% of the 1,602 products that print an amount of theanine list more than its 50 mg of suntheanine (filed by NIH under theanine) (median 100 mg).

The NIH database records 1 to 2 servings 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
Directions: Take 1 white tablet, one or two times daily, with food. Do not exceed recommended dose.
Warnings
Warning: Consult your healthcare professional prior to use if you have or suspect a medical condition, or are taking prescription drugs, including drugs for depression, migraines, Parkinson's disease or psychiatric disorders. Do not use with other supplements containing L-Tryptophan or 5-HTP. Do not use if you are pregnant, lactating or under the age of 18 years.
Do not use if you are pregnant, lactating or under the age of 18 years.
Tamper evident packaging.
Do not exceed recommended dose.
Keep out of reach of children.
Allergens and what it does not contain
100% drug-free
No: Milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybeans, yeast, artificial colors or flavors, added sugar or preservatives
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 274871.

What else is on the label?

Other ingredients: Dibasic Calcium Phosphate, Microcrystalline Cellulose, Stearic Acid, Hypromellose, Silicon Dioxide, Magnesium Stearate, Cellulose Gum, Methylcellulose, Glycerin.

How many labels does Day have?

5 labels are on file under this name since September 21, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 274871 (current) Entered November 22, 2022 · on the market · 10 tablets · UPC 0 47469 05458 8
  2. Label 257111 Entered December 18, 2021 · on the market · 10 blister packs · UPC 0 47469 05458 8
  3. Label 203465 Entered June 24, 2019 · off the market July 27, 2021 · 2 blister packs · UPC 0 47469 05458 8
  4. Label 203169 Entered May 28, 2019 · on the market · 2 blister packs
  5. Label 78840 Entered September 21, 2017 · off the market November 2, 2018 · 10 tablets · UPC 0 47469 05458 8

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

Who makes it?

The label names Natrol LLC (manufacturer), Chatsworth, CA. All Natrol products.

Where next?