PlainVitamins

Cal-Ace

by Douglas Laboratories · tablet or pill · 250 tablets

  • Off the market since January 2012 (NIH)
  • DSLD label 8027
  • Serving 1 tablet

Cal-Ace by Douglas Laboratories lists 8 ingredients, 8 with an amount per serving of 1 tablet, such as 5,000 IU of vitamin A, 150 mg of vitamin C, 5 IU of vitamin E and 82 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on April 26, 2012.

What is in Cal-Ace?

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).

Cal-Ace: Supplement Facts rows against the market (DSLD label 8027, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin A5,000 IU100%Vitamin A in Cal-Ace 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). Per day at the most servings: 20,000 IU.

Vitamin C150 mg250%Vitamin C in Cal-Ace against 18,583 products150 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg150 mg

Higher than 58% of 18,583 products listing vitamin C (median 100 mg). Per day at the most servings: 600 mg.

Vitamin E5 IU17%Vitamin E in Cal-Ace against 6,459 products5 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.5 IU

93% of 6,459 products listing vitamin E give more (median 30 IU). Per day at the most servings: 20 IU.

Calcium82 mg8%Calcium in Cal-Ace against 17,831 products82 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg82 mg

62% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 328 mg.

Phosphorus38 mg4%Phosphorus in Cal-Ace against 3,786 products38 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg38 mg

79% of 3,786 products listing phosphorus give more (median 90 mg). Per day at the most servings: 152 mg.

Iodineas KelpIodine (Form: from Kelp)38 mg8%

This amount is far outside what other labels list for iodine, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Citrus Bioflavonoids150 mgFlavonoid in Cal-Ace against 2,343 products150 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.150 mg

Higher than 81% of 2,343 products listing flavonoid (median 50 mg). Per day at the most servings: 600 mg.

Rutin5 mgRutin in Cal-Ace against 1,232 products5 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.5 mg

84% of 1,232 products listing rutin give more (median 25 mg). Per day at the most servings: 20 mg.

Source: NIH ODS Dietary Supplement Label Database, label 8027 (entered April 26, 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:

  • 93% of the 6,459 products that print an amount of vitamin E list more than its 5 IU of vitamin E (median 30 IU).
  • 84% of the 1,232 products that print an amount of rutin list more than its 5 mg of rutin (median 25 mg).

The NIH database records 4 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?

The products whose ingredient lists overlap most with Cal-Ace'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
Suggested Usage: As a dietary supplement, adults take 1 tablet 4 times daily or as directed by your healthcare professional.
Warnings
KEEP OUT OF REACH OF CHILDREN.
Tamper resistant package, do not use if outer seal is missing.
Allergens and what it does not contain
This product contains NO yeast, wheat gluten, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.
Storage
For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Source: label statements in DSLD label 8027.

What else is on the label?

Other ingredients: Cellulose, Vegetable Stearate, Silica.

How many labels does Cal-Ace have?

One label is on file, entered on April 26, 2012.

  1. Label 8027 (current) Entered April 26, 2012 · off the market January 20, 2012 · 250 tablets

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

Who makes it?

The label names Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.

Where next?