PlainVitamins

Os-Cal Ultra

by GlaxoSmithKline · other (e.g. tea bag) · 120 coated caplets

  • On the market (NIH)
  • DSLD label 82021
  • Serving 1 caplet (2g)

Os-Cal Ultra by GlaxoSmithKline lists 9 ingredients, 9 with an amount per serving of 1 caplet, such as 60 mg of vitamin C, 500 IU (12.5 mcg) of vitamin D, 15 IU of vitamin E and 600 mg of calcium, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on February 23, 2018.

What is in Os-Cal Ultra?

Each row as the label prints it, per serving of 1 caplet. 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).

Os-Cal Ultra: Supplement Facts rows against the market (DSLD label 82021, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid60 mg100%Vitamin C in Os-Cal Ultra against 18,583 products60 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg60 mg

65% of 18,583 products listing vitamin C give more (median 100 mg).

Vitamin Das CholecalciferolVitamin D (Form: as Cholecalciferol)500 IU (12.5 mcg)125%Vitamin D in Os-Cal Ultra against 14,175 products12.5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg12.5 mcg

53% of 14,175 products listing vitamin D give more (median 15 mcg).

Vitamin Eas DL-Alpha-Tocopheryl AcetateVitamin E (Form: as DL-Tocopheryl Acetate)15 IU50%Vitamin E in Os-Cal Ultra against 6,459 products15 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.15 IU

75% of 6,459 products listing vitamin E give more (median 30 IU).

Calcium600 mg60%Calcium in Os-Cal Ultra against 17,831 products600 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg600 mg

Higher than 91% of 17,831 products listing calcium (median 115 mg).

Magnesium20 mg5%Magnesium in Os-Cal Ultra against 14,003 products20 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg20 mg

83% of 14,003 products listing magnesium give more (median 86 mg).

Zinc7.5 mg50%Zinc in Os-Cal Ultra against 13,186 products7.5 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg7.5 mg

63% of 13,186 products listing zinc give more (median 11 mg).

Copper1 mg50%Copper in Os-Cal Ultra against 6,468 products1 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg1 mg

40% of 6,468 products listing copper give more (median 1 mg).

Manganese1 mg50%Manganese in Os-Cal Ultra against 7,016 products1 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg1 mg

70% of 7,016 products listing manganese give more (median 2 mg).

Sodium5 mg1%Sodium in Os-Cal Ultra against 14,514 products5 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.5 mg

89% of 14,514 products listing sodium give more (median 55 mg).

Boron250 mcgBoron in Os-Cal Ultra against 3,339 products0.25 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg0.25 mg

75% of 3,339 products listing boron give more (median 1 mg).

Source: NIH ODS Dietary Supplement Label Database, label 82021 (entered February 23, 2018), 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 600 mg of calcium is higher than 91% of the 17,831 calcium products that print an amount; 1,267 list more.

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 Os-Cal Ultra'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.

Warnings
Contains: Soy coconut.

Source: label statements in DSLD label 82021.

What else is on the label?

Other ingredients: Calcium Carbonate, Sodium Starch Glycolate, Acacia Gum, Ascorbic Acid, Magnesium Oxide, Polyvinyl Alcohol, Vitamin E, Contains less than 1% of.

How many labels does Os-Cal Ultra have?

2 labels are on file under this name since November 25, 2013: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 82021 (current) Entered February 23, 2018 · on the market · 120 coated caplets
  2. Label 26879 Entered November 25, 2013 · off the market March 9, 2016 · 120 coated caplets · UPC 3 0766-1658-20 6

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

Who makes it?

The label names GlaxoSmithKline (manufacturer). All GlaxoSmithKline products.

Where next?