Ultimate C 500

by Highland Laboratories · capsule · 120 vegetarian capsules

  • On the market (NIH)
  • UPC 7 68305 31312 5
  • DSLD label 79500
  • Serving 1 vegetarian capsule

Ultimate C 500 by Highland Laboratories lists 5 ingredients, 5 with an amount per serving of 1 vegetarian capsule, such as 500 mg of vitamin C, 57 mg of calcium, 100 mg of citrus bioflavonoid complex and 50 mg of hesperidin. Its current label entered the NIH Dietary Supplement Label Database on October 21, 2017.

What is in Ultimate C 500?

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

Ultimate C 500: Supplement Facts rows against the market (DSLD label 79500, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Calcium Poly AscorbateVitamin C (Form: from Calcium Poly Ascorbate)500 mg833%Vitamin C in Ultimate C 500 against 18,583 products500 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg500 mg

Higher than 81% of 18,583 products listing vitamin C (median 100 mg).

Calciumas Calcium Poly AscorbateCalcium (Form: from Calcium Poly Ascorbate)57 mg5%Calcium in Ultimate C 500 against 17,831 products57 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg57 mg

70% of 17,831 products listing calcium give more (median 115 mg).

Citrus Bioflavonoid Complex100 mgFlavonoid in Ultimate C 500 against 2,343 products100 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.100 mg

Higher than 62% of 2,343 products listing flavonoid (median 50 mg).

Hesperidin50 mgHesperidin in Ultimate C 500 against 552 products50 mg per serving; the middle half of products list 10 mg to 50 mg, the median 20 mg.50 mg

Higher than 67% of 552 products listing hesperidin (median 20 mg).

Rutin50 mgRutin in Ultimate C 500 against 1,232 products50 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.50 mg

Higher than 69% of 1,232 products listing rutin (median 25 mg).

Source: NIH ODS Dietary Supplement Label Database, label 79500 (entered October 21, 2017), 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

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?

5 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
One or more capsule daily, as a dietary supplement.
Allergens and what it does not contain
No soy, salt, yeast, gluten, milk & egg products, sugar, starch or preservatives.

Source: label statements in DSLD label 79500.

What else is on the label?

Other ingredients: Vegetable Cellulose, organic Rice extract, Cellulose, organic Rice concentrate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Quality Assured Earth Friendly.

How many labels does Ultimate C 500 have?

One label is on file, entered on October 21, 2017.

  1. Label 79500 (current) Entered October 21, 2017 · on the market · 120 vegetarian capsules · UPC 7 68305 31312 5

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

Who makes it?

The label names Highland Laboratories (manufacturer). All Highland Laboratories products.

Where next?