PlainVitamins

Osteo-Guard One-To-One

by Douglas Laboratories · tablet or pill · 120 tablets

  • On the market (NIH)
  • UPC 7 45287 04012 6
  • DSLD label 10984
  • Serving 1 to 8 tablets; amounts per 1 tablet
  • 120 servings

Osteo-Guard One-To-One by Douglas Laboratories lists 5 ingredients, 5 with an amount per serving of 1 tablet, such as 7.5 mcg of vitamin K1, 125 mg of calcium, 60 mg of phosphorus and 125 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on October 1, 2012.

What is in Osteo-Guard One-To-One?

Each row as the label prints it, per serving of 1 tablet. 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).

Osteo-Guard One-To-One: Supplement Facts rows against the market (DSLD label 10984, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin K17.5 mcg9%Vitamin K in Osteo-Guard One-To-One against 4,607 products7.5 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg7.5 mcg

97% of 4,607 products listing vitamin K give more (median 80 mcg).

Calciumas Microcrystalline Calcium HydroxyapatiteCalcium (Form: as Microcrystalline Calcium Hydroxyapatite)125 mg13%Calcium in Osteo-Guard One-To-One against 17,831 products125 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg125 mg

Higher than 53% of 17,831 products listing calcium (median 115 mg).

Phosphorusas Microcrystalline HydroxyapatitePhosphorus (Form: as Microcrystalline Hydroxyapatite)60 mg6%Phosphorus in Osteo-Guard One-To-One against 3,786 products60 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg60 mg

64% of 3,786 products listing phosphorus give more (median 90 mg).

Magnesiumas Magnesium Amino Acid ChelateMagnesium (Form: as Magnesium Amino Acid Chelate)125 mg31%Magnesium in Osteo-Guard One-To-One against 14,003 products125 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg125 mg

Higher than 66% of 14,003 products listing magnesium (median 86 mg).

Boronas Boron Amino Acid ChelateBoron (Form: as Boron Amino Acid Chelate)0.25 mgBoron in Osteo-Guard One-To-One against 3,339 products0.25 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg0.25 mg

75% of 3,339 products listing boron give more (median 1 mg).

Source: NIH ODS Dietary Supplement Label Database, label 10984 (entered October 1, 2012), 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:

  • 97% of the 4,607 products that print an amount of vitamin K list more than its 7.5 mcg of vitamin K (median 80 mcg).

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?

The products whose ingredient lists overlap most with Osteo-Guard One-To-One's, rare ingredients counting for more.

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 to 8 tablets daily or as directed by your healthcare professional.
Warnings
WARNING: This product contains Vitamin K, which interferes with the prescription drugs Coumadin(R) and Warfarin. If you are taking these or similar prescription drugs, consult your healthcare professional before using this product.
Tamper resistant package, do not use if outer seal is missing.
KEEP OUT OF REACH OF CHILDREN.
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 10984.

What else is on the label?

Other ingredients: Cellulose, modified Cellulose Gum, Vegetable Stearine, Magnesium Stearate, Silica.

How many labels does Osteo-Guard One-To-One have?

2 labels are on file under this name since February 23, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 10984 (current) Entered October 1, 2012 · on the market · 120 tablets · UPC 7 45287 04012 6
  2. Label 5238 Entered February 23, 2012 · off the market January 20, 2012 · 120 tablets · UPC 7 45287 04012 6

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.

Where next?