PlainVitamins

Ultra Disc

by Douglas Laboratories · tablet or pill · 100 tablets

  • On the market (NIH)
  • UPC 3 10539 00416 6
  • DSLD label 9411
  • Serving 1 tablet
  • 100 servings

Ultra Disc by Douglas Laboratories lists 10 ingredients, 10 with an amount per serving of 1 tablet, such as 100 mg of vitamin C, 125 IU (3.13 mcg) of vitamin D3, 20 mg of niacin and 10 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on June 25, 2012.

What is in Ultra Disc?

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).

Ultra Disc: Supplement Facts rows against the market (DSLD label 9411, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid100 mg167%Vitamin C in Ultra Disc against 18,583 products100 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg100 mg

50% of 18,583 products listing vitamin C give more (median 100 mg).

Vitamin D3125 IU (3.13 mcg)31%Vitamin D in Ultra Disc against 14,175 products3.13 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg3.13 mcg

92% of 14,175 products listing vitamin D give more (median 15 mcg).

Niacin20 mg100%Niacin in Ultra Disc against 12,413 products20 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg20 mg

46% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine HCl)10 mg500%Vitamin B6 in Ultra Disc against 15,277 products10 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg10 mg

Higher than 55% of 15,277 products listing vitamin B6 (median 6 mg).

CalciumCalcium (Form: from 150 mg Calcium Lactate)20 mg2%Calcium in Ultra Disc against 17,831 products20 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg20 mg

91% of 17,831 products listing calcium give more (median 115 mg).

Iron4 mg22%Iron in Ultra Disc against 6,910 products4 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg4 mg

55% of 6,910 products listing iron give more (median 5 mg).

Magnesiumas Magnesium OxideMagnesium (Form: from Magnesium Oxide)75 mg19%Magnesium in Ultra Disc against 14,003 products75 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg75 mg

52% of 14,003 products listing magnesium give more (median 86 mg).

Zincas Zinc ChelateZinc (Form: from Zinc Chelate)10 mg67%Zinc in Ultra Disc against 13,186 products10 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg10 mg

51% of 13,186 products listing zinc give more (median 11 mg).

Manganeseas Manganese SulfateManganese (Form: from 200 mg Manganese Sulfate)72 mg3,600%
Potassiumas Potassium ChelatePotassium (Form: from Potassium Chelate)50 mg1%Potassium in Ultra Disc against 11,614 products50 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg50 mg

72% of 11,614 products listing potassium give more (median 99 mg).

Glucosamine Sulfateas Crab, ShrimpGlucosamine Sulfate (Form: from Crab, and Shrimp)50 mgGlucosamine Sulfate in Ultra Disc against 875 products0.05 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.0.05 g

98% of 875 products listing glucosamine sulfate give more (median 1 g).

Bioflavonoid Complex25 mg

Source: NIH ODS Dietary Supplement Label Database, label 9411 (entered June 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:

  • 92% of the 14,175 products that print an amount of vitamin D list more than its 3.13 mcg (125 IU) of vitamin D (median 15 mcg (600 IU)).
  • 91% of the 17,831 products that print an amount of calcium list more than its 20 mg of calcium (median 115 mg).
  • 98% of the 875 products that print an amount of glucosamine sulfate list more than its 0.05 g of glucosamine sulfate (median 1 g).

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 Ultra Disc'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 or more tablets daily or as directed by physician.
Warnings
Warning: If you have an allergy to shellsh, (including crab and shrimp) you should not use this product.
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. 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, soy protein, 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 9411.

What else is on the label?

Other ingredients: Cellulose, Calcium Phosphate, Aspartic Acid, Vegetable Stearate, Bovine Cartilage, Silica.

How many labels does Ultra Disc have?

2 labels are on file under this name since January 25, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 9411 (current) Entered June 25, 2012 · on the market · 100 tablets · UPC 3 10539 00416 6
  2. Label 5134 Entered January 25, 2012 · off the market January 20, 2012 · 100 tablets · UPC 3 10539 00416 6

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?