Vitamin C with Calcium, Magnesium and Potassium
by Bronson · powder · 1 pound
- On the market (NIH)
- UPC 7 16563 14901 7
- DSLD label 257874
- Serving 2.24 g (Approx. 1/2 tsp)
- 202 servings
Vitamin C with Calcium, Magnesium and Potassium by Bronson lists 4 ingredients, 4 with an amount per serving of 2.24 g, such as 1,000 mg of vitamin C, 200 mg of calcium, 100 mg of magnesium and 50 mg of potassium. Its current label entered the NIH Dietary Supplement Label Database on October 22, 2021.
What is in Vitamin C with Calcium, Magnesium and Potassium?
Each row as the label prints it, per serving of 2.24 g. 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Vitamin Cas Ascorbic Acid | 1,000 mg | 1,111% | Higher than 91% of 18,583 products listing vitamin C (median 100 mg). |
| Calciumas Calcium Carbonate | 200 mg | 15% | Higher than 64% of 17,831 products listing calcium (median 115 mg). |
| Magnesiumas Magnesium Carbonate | 100 mg | 24% | Higher than 51% of 14,003 products listing magnesium (median 86 mg). |
| Potassiumas Potassium CitratePotassium (Form: as Potassium Citrate) | 50 mg | 1% | 72% of 11,614 products listing potassium give more (median 99 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 257874 (entered October 22, 2021), 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 1,000 mg of vitamin C is higher than 91% of the 18,583 vitamin C products that print an amount; 445 list more.
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?
6 products list the very same ingredients; the nearest amounts come first.
- Vitamin C Buffered With Calcium, Magnesium And PotassiumBronson Laboratories · off the market same ingredients
- Buffered Vitamin C PowderNutriCology same ingredients
- Effer-CDouglas Laboratories same ingredients
- Buffered C CapsulesOrtho Molecular Products same ingredients
- Buffered C CapsulesNatural Healthy Concepts same ingredients
- Buffered C CapsulesNHC Natural Healthy Concepts same ingredients
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
- Once daily
- Directions: As a dietary supplement for adults, take 1 half teaspoonful daily or as directed by a healthcare professional. Dissolve in fruit juices, water or beverage of choice. Take with or after meals.
- Warnings
- Warning: Consult a healthcare professional before taking this product if you are pregnant, nursing, or taking any medications.
- Do not use if seal under cap is broken or missing.
- Keep out of reach of children.
- Storage
- Store at room temperature.
- Do not refrigerate.
Source: label statements in DSLD label 257874.
What else is on the label?
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Lab tested Made from high quality ingredients GMP Good Manufacturing Practice.
How many labels does Vitamin C with Calcium, Magnesium and Potassium have?
One label is on file, entered on October 22, 2021.
- Label 257874 (current) Entered October 22, 2021 · on the market · 1 pound · UPC 7 16563 14901 7
DSLD also links this label to: Vitamin C Buffered With Calcium, Magnesium And Potassium (image 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 Bronson Laboratories (manufacturer), Hauppauge, NY. All Bronson products.