Coral Calcium/Magnesium 2:1 Ratio

by Source Naturals · capsule · 180 capsules

  • On the market (NIH)
  • UPC 0 21078 01684 7
  • DSLD label 214326
  • Serving 3 capsules
  • 60 servings

Coral Calcium/Magnesium 2:1 Ratio by Source Naturals lists 4 ingredients, 4 with an amount per serving of 3 capsules, such as 200 IU (5 mcg) of vitamin D3, 600 mg of calcium, 300 mg of magnesium and 1.8 g of coral calcium. Its current label entered the NIH Dietary Supplement Label Database on February 26, 2020.

What is in Coral Calcium/Magnesium 2:1 Ratio?

Each row as the label prints it, per serving of 3 capsules. 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).

Coral Calcium/Magnesium 2:1 Ratio: Supplement Facts rows against the market (DSLD label 214326, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin D3as Cholecalciferol200 IU (5 mcg)50%Vitamin D in Coral Calcium/Magnesium 2:1 Ratio against 14,175 products5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg5 mcg

83% of 14,175 products listing vitamin D give more (median 15 mcg).

Calciumas Coral CalciumCalcium (Form: from Coral)600 mg60%Calcium in Coral Calcium/Magnesium 2:1 Ratio against 17,831 products600 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg600 mg

Higher than 91% of 17,831 products listing calcium (median 115 mg).

Magnesiumas Amino Acid Complex, Magnesium Citrate, Magnesium OxideMagnesium (Form: as Magnesium Oxide, Amino Acid complex, and Magnesium Citrate)300 mg75%Magnesium in Coral Calcium/Magnesium 2:1 Ratio against 14,003 products300 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg300 mg

Higher than 87% of 14,003 products listing magnesium (median 86 mg).

Coral Calcium1.8 g

Source: NIH ODS Dietary Supplement Label Database, label 214326 (entered February 26, 2020), 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 600 mg of calcium (2 rows of the label added together) is higher than 91% of the 17,831 calcium products that print an amount; 1,267 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.

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 Use: 3 capsules daily.
Warnings
Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Allergens and what it does not contain
Contains no yeast, dairy, egg, gluten, soy or wheat. Contains no artificial color, flavor or fragrance.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 214326.

What else is on the label?

Other ingredients: Gelatin, Microcrystalline Cellulose, Silica, Magnesium Stearate.

How many labels does Coral Calcium/Magnesium 2:1 Ratio have?

6 labels are on file under this name since June 23, 2017: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 295688 Entered August 23, 2023 · off the market July 6, 2022 · 90 capsules · UPC 0 21078 01683 0
  2. Label 214326 (current) Entered February 26, 2020 · on the market · 180 capsules · UPC 0 21078 01684 7
  3. Label 214325 Entered February 26, 2020 · on the market · 90 capsules · UPC 0 21078 01683 0
  4. Label 214293 Entered February 26, 2020 · on the market · 180 tablets · UPC 0 21078 01603 8
  5. Label 75524 Entered June 23, 2017 · on the market · 90 tablets · UPC 0 21078 01602 1
  6. Label 75523 Entered June 23, 2017 · on the market · 45 tablets · UPC 0 21078 01601 4

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

Who makes it?

The label names Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.

Where next?