Calcium carbonate price per mg — cheapest first
Ranked 439 Calcium carbonate products by price per mg, cheapest first.
Among listed Calcium carbonate products, the lowest price per mg is 21st Century, Calcium Supplement 600, 400 Tablets (600 mg per Tablet) at $0.000050 per mg. This value is based on the listed price at the most recent collection and is the lowest within this site's coverage. The price per serving for this product is estimated from the product notation for servings per container.
Other forms of Calcium
Price data as of 2026-09-28
How to read this table
How much does Calcium carbonate pricing vary between products?
Products classified as Calcium carbonate number 439, which is 9% of all 4,643 Calcium products. Classification is by the label's form notation string; products without notation are placed in no form.
Price per mg for this form ranges from a low of $0.000050/mg to a median of $0.001749/mg. This form's median sits below the overall median for Calcium ($0.0101/mg). This is an observed price distribution and does not indicate the quality of the form.
The amount per serving ranges from 2.25mg to 1,300mg, with a median of 140mg. The amount is the label-declared Calcium value, not the raw material weight.
The products of this form come from 125 brands.
Ingredients and amounts shown are label-declared values and do not guarantee any medical benefit such as prevention or treatment of disease. This page makes no judgment that any form or product is better than another; ranking is determined solely by price and label amount. The calculation method and limits are documented in How prices are calculated.