Microcrystalline Hydroxyapatite Calcium (MCHC)
by Bronson Laboratories · capsule · 100 capsules
- Off the market since July 2021 (NIH)
- UPC 7 16563 21601 6
- DSLD label 25164
- Serving 1 capsule
Microcrystalline Hydroxyapatite Calcium (MCHC) by Bronson Laboratories lists 2 ingredients, 2 with an amount per serving of 1 capsule, such as 200 mg of calcium and 100 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on August 23, 2013.
What is in Microcrystalline Hydroxyapatite Calcium (MCHC)?
Each row as the label prints it, per serving of 1 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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Calciumas Microcrystalline HydroxyapatiteCalcium (Form: from Microcrystalline Hydroxyapatite) | 200 mg | 20% | Higher than 64% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 400 mg. |
| Magnesiumas Microcrystalline HydroxyapatiteMagnesium (Form: from Microcrystalline Hydroxyapatite) | 100 mg | 25% | Higher than 51% of 14,003 products listing magnesium (median 86 mg). Per day at the most servings: 200 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 25164 (entered August 23, 2013), 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 2 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.
- Chelated Cal-Mag 2:1 RatioCarlson · off the market same ingredients
- Albion Chelated Calcium & MagnesiumSwanson Ultra · off the market same ingredients
- Albion Calcium & MagnesiumSwanson same ingredients
- Osteo-CitrateMetagenics same ingredients
- Bone Builder VegetarianMetagenics same ingredients
- Calcium/MagnesiumHealthyBodyInc · off the market 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
- Directions: As a dietary supplement for adults, 1 capsule two times daily or as directed by a health professional.
- Warnings
- WARNING: Consult a healthcare professional before taking this product if you are pregnant or nursing.
- Keep out of reach of children.
- Storage
- Store at room temperature. Protect from light.
Source: label statements in DSLD label 25164.
What else is on the label?
Other ingredients: Gelatin, Magnesium Stearate.
How many labels does Microcrystalline Hydroxyapatite Calcium (MCHC) have?
One label is on file, entered on August 23, 2013.
- Label 25164 (current) Entered August 23, 2013 · off the market July 30, 2021 · 100 capsules · UPC 7 16563 21601 6
DSLD also links this label to: Microcrystalline Hydroxyapatite Calcium (MCHC) (image difference, same product), Calcium Hydroxyapatite MCHC (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), Lindon, UT. All Bronson Laboratories products.