One Daily Active

by 21st Century · tablet or pill · 100 tablets

  • On the market (NIH)
  • UPC 7 40985 22656 8
  • DSLD label 11548
  • Serving 1 tablet

One Daily Active by 21st Century lists 31 ingredients, 31 with an amount per serving of 1 tablet, such as 5,000 IU of vitamin A, 120 mg of vitamin C, 400 IU (10 mcg) of vitamin D and 60 IU of vitamin E. Its current label entered the NIH Dietary Supplement Label Database on July 25, 2012.

What is in One Daily Active?

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).

One Daily Active: Supplement Facts rows against the market (DSLD label 11548, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Beta-Carotene, Vitamin A AcetateVitamin A (Form: as Vitamin A Acetate, & as 20% Beta Carotene)5,000 IU100%Vitamin A in One Daily Active against 5,772 products5,000 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.5,000 IU

Higher than 55% of 5,772 products listing vitamin A (median 4,000 IU).

Vitamin Cas Ascorbic Acid120 mg200%Vitamin C in One Daily Active against 18,583 products120 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg120 mg

Higher than 51% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Das CholecalciferolVitamin D (Form: as Cholecalciferol)400 IU (10 mcg)100%Vitamin D in One Daily Active against 14,175 products10 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg10 mcg

57% of 14,175 products listing vitamin D give more (median 15 mcg).

Vitamin Eas DL-Alpha-Tocopheryl Acetate60 IU200%Vitamin E in One Daily Active against 6,459 products60 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.60 IU

Higher than 65% of 6,459 products listing vitamin E (median 30 IU).

Vitamin Kas Phytonadione25 mcg31%Vitamin K in One Daily Active against 4,607 products25 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg25 mcg

80% of 4,607 products listing vitamin K give more (median 80 mcg).

Thiamineas Thiamine MononitrateThiamin (Form: as Thiamin Mononitrate)4.5 mg300%Thiamin in One Daily Active against 9,830 products4.5 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg4.5 mg

51% of 9,830 products listing thiamin give more (median 5 mg).

Riboflavin5.1 mg300%Riboflavin in One Daily Active against 9,824 products5.1 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg5.1 mg

Higher than 57% of 9,824 products listing riboflavin (median 4 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)40 mg200%Niacin in One Daily Active against 12,413 products40 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg40 mg

Higher than 71% of 12,413 products listing niacin (median 20 mg). 1.1 times the adult UL a day.

Vitamin B6as Pyridoxine HydrochlorideVitamin B6 (Form: as Pyridoxine HCl)6 mg300%Vitamin B6 in One Daily Active against 15,277 products6 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg6 mg

49% of 15,277 products listing vitamin B6 give more (median 6 mg).

Folic Acid400 mcg100%Folate in One Daily Active against 7,022 products400 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.400 mcg

24% of 7,022 products listing folate give more (median 400 mcg).

Vitamin B12as CyanocobalaminVitamin B12 (Form: as Cyanocobalamin)18 mcg300%Vitamin B12 in One Daily Active against 14,425 products18 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg18 mcg

60% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Biotin40 mcg13%Biotin in One Daily Active against 9,447 products40 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg40 mcg

80% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acidas D-Calcium PantothenatePantothenic Acid (Form: as D-Calcium Pantothenate)10 mg100%Pantothenic Acid (Vitamin B5) in One Daily Active against 10,060 products10 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg10 mg

52% of 10,060 products listing pantothenic acid (vitamin B5) give more (median 12 mg).

Calciumas Calcium Carbonate, Calcium PhosphateCalcium (Form: as Calcium Phosphate, & Calcium Carbonate)110 mg11%Calcium in One Daily Active against 17,831 products110 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg110 mg

51% of 17,831 products listing calcium give more (median 115 mg).

Ironas Ferrous FumarateIron (Form: as Ferrous Fumarate)9 mg50%Iron in One Daily Active against 6,910 products9 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg9 mg

Higher than 63% of 6,910 products listing iron (median 5 mg).

Phosphorusas Calcium PhosphatePhosphorus (Form: as Calcium Phosphate)48 mg4%Phosphorus in One Daily Active against 3,786 products48 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg48 mg

73% of 3,786 products listing phosphorus give more (median 90 mg).

Magnesiumas Magnesium OxideMagnesium (Form: as Magnesium Oxide)40 mg10%Magnesium in One Daily Active against 14,003 products40 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg40 mg

70% of 14,003 products listing magnesium give more (median 86 mg).

Zincas Zinc OxideZinc (Form: as Zinc Oxide)15 mg100%Zinc in One Daily Active against 13,186 products15 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg15 mg

Higher than 56% of 13,186 products listing zinc (median 11 mg).

Seleniumas Sodium SelenateSelenium (Form: as Sodium Selenate)45 mcg64%Selenium in One Daily Active against 7,658 products45 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg45 mcg

66% of 7,658 products listing selenium give more (median 55 mcg).

Copperas Copper OxideCopper (Form: as Copper Oxide)2 mg100%Copper in One Daily Active against 6,468 products2 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg2 mg

Higher than 66% of 6,468 products listing copper (median 1 mg).

Manganeseas Manganese SulfateManganese (Form: as Manganese Sulfate)2 mg100%Manganese in One Daily Active against 7,016 products2 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg2 mg

38% of 7,016 products listing manganese give more (median 2 mg).

Chromiumas Chromium ChlorideChromium (Form: as Chromium Chloride)100 mcg83%Chromium in One Daily Active against 7,825 products100 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg100 mcg

47% of 7,825 products listing chromium give more (median 100 mcg).

Molybdenumas Sodium MolybdateMolybdenum (Form: as Sodium Molybdate)25 mcg33%Molybdenum in One Daily Active against 4,390 products25 mcg per serving; the middle half of products list 25 mcg to 75 mcg, the median 50 mcg.DV 45 mcgUL 2,000 mcg25 mcg

72% of 4,390 products listing molybdenum give more (median 50 mcg).

Chlorideas Potassium ChlorideChloride (Form: as Potassium Chloride)180 mg5%Chloride in One Daily Active against 1,476 products180 mg per serving; the middle half of products list 60 mg to 183.5 mg, the median 75 mg.DV 2,300 mgUL 3,600 mg180 mg

Higher than 74% of 1,476 products listing chloride (median 75 mg).

Potassiumas Potassium ChloridePotassium (Form: as Potassium Chloride)200 mg5%Potassium in One Daily Active against 11,614 products200 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg200 mg

Higher than 76% of 11,614 products listing potassium (median 99 mg).

Nickelas Nickelous SulfateNickel (Form: as Nickelous Sulfate)5 mcgNickel in One Daily Active against 317 products5 mcg per serving; the middle half of products list 5 mcg to 5 mcg, the median 5 mcg.UL 1,000 mcg5 mcg

9% of 317 products listing nickel give more (median 5 mcg).

Tinas Stannous ChlorideTin (Form: as Stannous Chloride)10 mcgTin in One Daily Active against 174 products10 mcg per serving; the middle half of products list 10 mcg to 10 mcg, the median 10 mcg.10 mcg

2% of 174 products listing tin give more (median 10 mcg).

Siliconas Silicon DioxideSilicon (Form: as Silicon Dioxide)6 mgSilicon in One Daily Active against 1,220 products6 mg per serving; the middle half of products list 2 mg to 10.5 mg, the median 4 mg.6 mg

Higher than 64% of 1,220 products listing silicon (median 4 mg).

Vanadiumas Sodium MetavanadateVanadium (Form: as Sodium Metavanadate)10 mcgVanadium in One Daily Active against 1,744 products10 mcg per serving; the middle half of products list 10 mcg to 100 mcg, the median 25 mcg.UL 1,800 mcg10 mcg

60% of 1,744 products listing vanadium give more (median 25 mcg).

Boronas BoratesBoron (Form: as Borates)150 mcgBoron in One Daily Active against 3,339 products0.15 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg0.15 mg

81% of 3,339 products listing boron give more (median 1 mg).

Ginseng Extract55 mgAmerican Ginseng in One Daily Active against 235 products55 mg per serving; the middle half of products list 75 mg to 425 mg, the median 200 mg.55 mg

80% of 235 products listing american ginseng give more (median 200 mg).

Source: NIH ODS Dietary Supplement Label Database, label 11548 (entered July 25, 2012), 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?

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:

  • At 1 serving a day, the most its directions give, the label lists 40 mg of niacin, 1.1 times the adult Tolerable Upper Intake Level.
  • 9% of the 317 products that print an amount of nickel list more than its 5 mcg of nickel (median 5 mcg).
  • 2% of the 174 products that print an amount of tin list more than its 10 mcg of tin (median 10 mcg).
  • 60% of the 1,744 products that print an amount of vanadium list more than its 10 mcg of vanadium (median 25 mcg).
  • 81% of the 3,339 products that print an amount of boron list more than its 0.15 mg of boron (median 1 mg).

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 One Daily Active'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, adults take one (1) tablet daily with any meal, or as directed by a health care provider. Do not exceed recommended dosage.
Warnings
Keep out of reach of children.
Do not use if product appears to be tampered with or seal is broken.
Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.
Allergens and what it does not contain
No Added Sugar, Salt, Yeast, Preservatives, Artificial Flavors.
Storage
Store at room temperature.

Source: label statements in DSLD label 11548.

What else is on the label?

Other ingredients: Cellulose, Starch, Croscarmellose Sodium, Stearic Acid, Silicon Dioxide, Magnesium Stearate, Titanium Dioxide, Artificial Colors.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): MADE IN USA.

How many labels does One Daily Active have?

One label is on file, entered on July 25, 2012.

  1. Label 11548 (current) Entered July 25, 2012 · on the market · 100 tablets · UPC 7 40985 22656 8

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

Who makes it?

The label names 21st Century HealthCare, Inc. (manufacturer), Tempe, AZ. All 21st Century products.

Where next?