PlainVitamins

O-Cal Prenatal

by Pharmics · tablet or pill · 100 tablets

  • Off the market since September 2019 (NIH)
  • UPC 3 08130 20201 2
  • DSLD label 204537
  • Serving 1 tablet

O-Cal Prenatal by Pharmics lists 16 ingredients, 16 with an amount per serving of 1 tablet, such as 2,500 IU of vitamin A, 70 mg of vitamin C, 400 IU (10 mcg) of vitamin D3 and 30 IU of vitamin E. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2019.

What is in O-Cal Prenatal?

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).

O-Cal Prenatal: Supplement Facts rows against the market (DSLD label 204537, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Beta-CaroteneVitamin A (Form: as Beta Carotene)2,500 IU31%Vitamin A in O-Cal Prenatal against 5,772 products2,500 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.2,500 IU

59% of 5,772 products listing vitamin A give more (median 4,000 IU).

Vitamin Cas Ascorbic Acid70 mg117%Vitamin C in O-Cal Prenatal against 18,583 products70 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg70 mg

64% of 18,583 products listing vitamin C give more (median 100 mg).

Vitamin D3as Cholecalciferol400 IU (10 mcg)100%Vitamin D in O-Cal Prenatal 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 AcetateVitamin E (Form: as DL-Alpha Tocopheryl Acetate)30 IU100%Vitamin E in O-Cal Prenatal against 6,459 products30 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.30 IU

44% of 6,459 products listing vitamin E give more (median 30 IU).

Thiamineas Thiamine MononitrateThiamine (Form: as Thiamine Mononitrate)1.5 mg88%Thiamin in O-Cal Prenatal 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).

Riboflavinas Vitamin B21.6 mg80%Riboflavin in O-Cal Prenatal 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).

Niacinas NiacinamideNiacin (Form: as Niacinamide)17 mg85%Niacin in O-Cal Prenatal 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 HydrochlorideVitamin B6 (Form: as Pyridoxine HCl)12 mg480%Vitamin B6 in O-Cal Prenatal against 15,277 products12 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg12 mg

Higher than 66% of 15,277 products listing vitamin B6 (median 6 mg).

Folic Acid1,000 mcg125%Folate in O-Cal Prenatal 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 CyanocobalaminVitamin B-12 (Form: as Cyanocobalamin)12 mcg150%Vitamin B12 in O-Cal Prenatal 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).

Calciumas Calcium CarbonateCalcium (Form: as Calcium Carbonate)200 mg15%Calcium in O-Cal Prenatal against 17,831 products200 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg200 mg

Higher than 64% of 17,831 products listing calcium (median 115 mg).

Ironas Ferrous FumarateIron (Form: as Ferrous Fumarate)15 mg83%Iron in O-Cal Prenatal against 6,910 products15 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg15 mg

Higher than 72% of 6,910 products listing iron (median 5 mg).

Iodineas Potassium IodideIodine (Form: as Potassium Iodide)150 mcg100%Iodine in O-Cal Prenatal against 6,382 products150 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg150 mcg

15% of 6,382 products listing iodine give more (median 150 mcg).

Magnesiumas Magnesium OxideMagnesium (Form: as Magnesium Oxide)100 mg22%Magnesium in O-Cal Prenatal against 14,003 products100 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg100 mg

Higher than 51% of 14,003 products listing magnesium (median 86 mg).

Zincas Zinc OxideZinc (Form: as Zinc Oxide)15 mg100%Zinc in O-Cal Prenatal 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).

Copperas Cupric SulfateCopper (Form: as Cupric Sulfate)2 mg100%Copper in O-Cal Prenatal 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).

Source: NIH ODS Dietary Supplement Label Database, label 204537 (entered July 24, 2019), 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.

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?

4 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
Dosage: One tablet daily or as directed by a physician.
Warnings
Caution: Folic Acid in doses above 1 mg may obscure pernicious anemia, in that hematological remission may occur while neurological manifestations remain progressive.
Additional Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of the reach of children. In case of accidental overdose, call a doctor or poison control center immediately.
Allergens and what it does not contain
Gluten free

Source: label statements in DSLD label 204537.

What else is on the label?

Other ingredients: Cellulose, Croscarmellose Sodium, Maltodextrin, Acacia Gum, Magnesium Stearate, Titanium Dioxide, Triacetin, Stearic Acid, Silicon Dioxide.

How many labels does O-Cal Prenatal have?

2 labels are on file under this name since October 10, 2014: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 204537 (current) Entered July 24, 2019 · off the market September 9, 2019 · 100 tablets · UPC 3 08130 20201 2
  2. Label 37068 Entered October 10, 2014 · off the market September 19, 2019 · 100 tablets · UPC 3 08139 31601 7

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

Who makes it?

The label names Pharmics Inc. (distributor), Riverton, UT. All Pharmics products.

Where next?