Microcrystalline Calcium
by Douglas Laboratories · capsule · 100 capsules
- Off the market since February 2018 (NIH)
- UPC 3 10539 01383 0
- DSLD label 56631
- Serving 1 capsule
- 100 servings
Microcrystalline Calcium by Douglas Laboratories lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 125 mg of calcium, 64 mg of phosphorus and 1 mg of boron. Its current label entered the NIH Dietary Supplement Label Database on February 23, 2016.
What is in Microcrystalline Calcium?
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 Hydroxyapatite ComplexCalcium (Form: from whole Bone Microcrystalline Hydroxyapatite Complex) | 125 mg | 13% | Higher than 53% of 17,831 products listing calcium (median 115 mg). |
| Phosphorusas Microcrystalline Hydroxyapatite ComplexPhosphorus (Form: from whole Bone Microcrystalline Hydroxyapatite Complex) | 64 mg | 6% | 62% of 3,786 products listing phosphorus give more (median 90 mg). |
| Boronas Boron CitrateBoron (Form: from Boron Citrate) | 1 mg | 42% of 3,339 products listing boron give more (median 1 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 56631 (entered February 23, 2016), 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 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?
4 products list the very same ingredients; the nearest amounts come first.
- Bone Builder With BoronEthical Nutrients same ingredients
- Calcium Microcrystalling Hydroxyapatite 2000 mgDouglas Laboratories · off the market same ingredients
- Calcium Plus With 250 mg Calcium As MCHCMartin Avenue Pharmacy same ingredients
- Cal Apatite with BoronMetagenics same ingredients
- M.C.H.C. CapsProgressive Professional from Progressive Laboratories 3 shared, 81% alike
- MchcZyCal Bioceuticals Healthcare · off the market 3 shared, 81% alike
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: As a dietary supplement, adults take 1 capsule daily or as directed by your healthcare professional.
- Warnings
- KEEP OUT OF REACH OF CHILDREN.
- Tamper resistant package, do not use if outer seal is missing.
- Allergens and what it does not contain
- This product contains NO yeast, wheat, gluten, soy, milk/dairy, corn, sodium, sugar, starch, artificial preservatives, artificial flavoring, or genetically modified organisms (GMOs).
- Storage
- For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)
Source: label statements in DSLD label 56631.
What else is on the label?
Other ingredients: Dicalcium Phosphate, Gelatin Capsule, Cellulose, Vegetable Stearate.
How many labels does Microcrystalline Calcium have?
4 labels are on file under this name since June 1, 2012: other sizes, label designs and reformulations. The current one leads this page.
- Label 56631 (current) Entered February 23, 2016 · off the market February 26, 2018 · 100 capsules · UPC 3 10539 01383 0
- Label 27035 Entered October 25, 2013 · off the market December 15, 2015 · 100 capsules · UPC 3 10539 01383 0
- Label 8631 Entered June 1, 2012 · off the market February 26, 2018 · 250 capsules · UPC 3 10539 27399 9
- Label 8629 Entered June 1, 2012 · off the market August 27, 2013 · 100 capsules · UPC 3 10539 01383 0
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Douglas Laboratories (manufacturer), Pittsburgh, PA. All Douglas Laboratories products.