C-500 Complex

by NOW · tablet or pill · 100 tablets

  • On the market (NIH)
  • UPC 7 33739 00660 8
  • DSLD label 177426
  • Serving 1 tablet

C-500 Complex by NOW lists 5 ingredients, 5 with an amount per serving of 1 tablet, such as 500 mg of vitamin C, 100 mg of citrus bioflavonoid complex, 100 mg of acerola powder and 100 mg of rose hips powder. Its current label entered the NIH Dietary Supplement Label Database on May 24, 2018.

What is in C-500 Complex?

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).

C-500 Complex: Supplement Facts rows against the market (DSLD label 177426, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid500 mg556%Vitamin C in C-500 Complex 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). Per day at the most servings: 1,500 mg.

Citrus Bioflavonoid Complex100 mgFlavonoid in C-500 Complex 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). Per day at the most servings: 300 mg.

Acerola powder100 mgAcerola in C-500 Complex against 436 products100 mg per serving; the middle half of products list 14.5 mg to 300 mg, the median 60 mg.100 mg

Higher than 53% of 436 products listing acerola (median 60 mg). Per day at the most servings: 300 mg.

Rose Hips powder100 mgDog Rose in C-500 Complex against 397 products100 mg per serving; the middle half of products list 10 mg to 65 mg, the median 25 mg.100 mg

Higher than 78% of 397 products listing dog rose (median 25 mg). Per day at the most servings: 300 mg.

Rutin powderas Sophora japonica10 mgRutin in C-500 Complex against 1,232 products10 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.10 mg

74% of 1,232 products listing rutin give more (median 25 mg). Per day at the most servings: 30 mg.

Source: NIH ODS Dietary Supplement Label Database, label 177426 (entered May 24, 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?

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 1 to 3 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?

6 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
Suggested Usage: Take 1 tablet 1 to 3 times daily.
Warnings
Caution: For adults only.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
Keep out of reach of children.
Do not eat freshness packet. Keep in bottle.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Non-GMO
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 177426.

What else is on the label?

Other ingredients: Cellulose, Stearic Acid, Silica, Magnesium Stearate, Vegetarian Coating.

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

How many labels does C-500 Complex have?

2 labels are on file under this name since August 25, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 177426 (current) Entered May 24, 2018 · on the market · 100 tablets · UPC 7 33739 00660 8
  2. Label 49867 Entered August 25, 2015 · off the market January 12, 2018 · 100 tablets · UPC 7 33739 00660 8

DSLD also links this label to: C-500 Complex With Bioflavonoids, Acerola & Rose Hips (image difference, same product), C-500 Complex With Bioflavonoids, Acerola & Rose Hips (package size difference, same product), C-500 Complex With Bioflavonoids, Acerola & Rose Hips (package size difference, same product), C-500 Complex With Bioflavonoids, Acerola & Rose Hips (image difference, same product), C-500 Complex With Bioflavonoids, Acerola & Rose Hips (package size difference, same product), C-500 Complex With Bioflavonoids, Acerola & Rose Hips (package size difference, same product), C-500 Complex With Bioflavonoids, Acerola & Rose Hips (package size difference, same product), C-500 Complex With Bioflavonoids, Acerola & Rose Hips (package size difference, same product).

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

Who makes it?

The label names NOW Foods (manufacturer), Bloomingdale, IL. All NOW products.

Where next?