PlainVitamins

PreferaOB

by Alaven Pharmaceutical · tablet or pill · 90 tablets

  • Off the market since November 2023 (NIH)
  • UPC 3 68220 08490 4
  • DSLD label 43204
  • Serving 1 tablet

PreferaOB by Alaven Pharmaceutical lists 16 ingredients, 15 with an amount per serving of 1 tablet; 1 sits inside a blend without its own amount. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2015.

What is in PreferaOB?

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).

PreferaOB: Supplement Facts rows against the market (DSLD label 43204, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitaminsno amount given
Vitamin D3as CholecalciferolD3 (Form: as Cholecalciferol)400 IU (10 mcg)50%*Vitamin D in PreferaOB 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 D-Alpha-Tocopheryl SuccinateE (Form: as D-Alpha Tocopheryl Succinate)10 IUVitamin E in PreferaOB against 6,459 products10 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.10 IU

85% of 6,459 products listing vitamin E give more (median 30 IU).

Vitamin B1as Thiamine MononitrateB1 (Form: as Thiamin Mononitrate)1.5 mg125%*Thiamin in PreferaOB against 9,830 products1.5 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg1.5 mg

66% of 9,830 products listing thiamin give more (median 5 mg).

Vitamin B2as Riboflavin1.6 mg123%*Riboflavin in PreferaOB against 9,824 products1.6 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg1.6 mg

78% of 9,824 products listing riboflavin give more (median 4 mg).

Vitamin B3as Niacin, NiacinamideB3 (Form: Niacin, as Niacinamide)17 mg106%*Niacin in PreferaOB against 12,413 products17 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg17 mg

68% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B6as Pyridoxine HydrochlorideB6 (Form: as Pyridoxine HCl)50 mg2,941%*Vitamin B6 in PreferaOB against 15,277 products50 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg50 mg

Higher than 87% of 15,277 products listing vitamin B6 (median 6 mg).

Folic Acid1 mgFolate in PreferaOB against 7,022 products1,000 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.1,000 mcg

Higher than 93% of 7,022 products listing folate (median 400 mcg).

Vitamin B12as CyanocobalaminB12 (Form: as Cyanocobalamin)12 mcg500%*Vitamin B12 in PreferaOB against 14,425 products12 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg12 mcg

63% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Biotin30 mcg100%*Biotin in PreferaOB against 9,447 products30 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg30 mcg

83% of 9,447 products listing biotin give more (median 200 mcg).

Vitamin B5as D-Calcium PantothenateB5 (Form: as D-Calcium Pantothenate)10 mg200%*Pantothenic Acid (Vitamin B5) in PreferaOB 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).

Mineralsno amount given
Ironno amount given
Polysaccharide Iron Complexas Dextrin, Glucose, IronPolysaccharide Iron Complex (Form: a complex of Iron, Glucose, Maltose, and Dextrin) Note: (Iron content ~ 46%) (yielding)28 mg
as HIPas Proferrinas HIP (Form: as Proferrin(R) Note: bovine source, USDA certified) (Alt. Name: Heme Iron Polypeptide) Note: yielding6 mg
Iodineas Potassium IodideIodine (Form: as Potassium Iodide)250 mcg167%*Iodine in PreferaOB against 6,382 products250 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg250 mcg

Higher than 93% of 6,382 products listing iodine (median 150 mcg).

Zincas Zinc OxideZinc (Form: as Zinc Oxide)4.5 mg41%*Zinc in PreferaOB against 13,186 products4.5 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg4.5 mg

80% of 13,186 products listing zinc give more (median 11 mg).

Seleniumas Sodium SelenateSelenium (Form: as Sodium Selenate)65 mcg118%*Selenium in PreferaOB against 7,658 products65 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg65 mcg

Higher than 52% of 7,658 products listing selenium (median 55 mcg).

Copperas Cupric SulfateCopper (Form: as Cupric Sulfate)0.8 mg89%*Copper in PreferaOB against 6,468 products0.8 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.8 mg

63% of 6,468 products listing copper give more (median 1 mg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 43204 (entered March 25, 2015), 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:

  • Its 1,000 mcg of folic acid (filed by NIH under folate) is higher than 93% of the 7,022 folate products that print an amount; 183 list more.
  • 83% of the 9,447 products that print an amount of biotin list more than its 30 mcg of biotin (median 200 mcg).
  • Its 250 mcg of iodine is higher than 93% of the 6,382 iodine products that print an amount; 396 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?

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
DOSAGE AND ADMINISTRATION: One tablet daily with or without food, or as prescribed by a licensed health care provider with prescribing authority.
Warnings
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.
Storage
STORAGE: Store at controlled room temperature 20(0)-25(0)C (68(0)-77(0)F). Excursions permitted to 15(0)-30(0)C (59(0)-86(0)F). [See current USP]. Dispense in a tight, light-resistant container to protect from light and moisture.

Source: label statements in DSLD label 43204.

How many labels does PreferaOB have?

One label is on file, entered on March 25, 2015.

  1. Label 43204 (current) Entered March 25, 2015 · off the market November 8, 2023 · 90 tablets · UPC 3 68220 08490 4

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

Who makes it?

The label names ALAVEN PHARMACEUTICAL LLC(R) (distributor), Marietta, GA. All Alaven Pharmaceutical products.

Where next?