PlainVitamins

Bone Guardian

by Health Products Distributors · tablet or pill · 180 tablets

  • On the market (NIH)
  • DSLD label 254891
  • Serving 6 tablets
  • 30 servings

Bone Guardian by Health Products Distributors lists 12 ingredients, 12 with an amount per serving of 6 tablets, such as 500 mg of vitamin C, 800 IU (20 mcg) of vitamin D3, 510 mcg of vitamin K and 1,000 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on September 24, 2021.

What is in Bone Guardian?

Each row as the label prints it, per serving of 6 tablets. 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).

Bone Guardian: Supplement Facts rows against the market (DSLD label 254891, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Calcium Ascorbate, Magnesium AscorbateVitamin C (Form: from Calcium Ascorbate, and Magnesium Ascorbate)500 mg833%Vitamin C in Bone Guardian against 18,583 products500 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg500 mg

Higher than 81% of 18,583 products listing vitamin C (median 100 mg).

Vitamin D3as Cholecalciferol800 IU (20 mcg)200%Vitamin D in Bone Guardian against 14,175 products20 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg20 mcg

Higher than 51% of 14,175 products listing vitamin D (median 15 mcg).

Vitamin Kas Menaquinone-7, Phytonadione510 mcg638%Vitamin K in Bone Guardian against 4,607 products510 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg510 mcg

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

Calciumas Calcium Ascorbate, Calcium Hydroxyapatite1,000 mg100%Calcium in Bone Guardian against 17,831 products1,000 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg1,000 mg

Higher than 95% of 17,831 products listing calcium (median 115 mg).

Magnesiumas Magnesium Ascorbate, Magnesium Glycinate500 mg125%Magnesium in Bone Guardian against 14,003 products500 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg500 mg

Higher than 96% of 14,003 products listing magnesium (median 86 mg). 1.4 times the adult UL a day.

Zincas Zinc CitrateZinc (Form: from Zinc Citrate)10 mg67%Zinc in Bone Guardian against 13,186 products10 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg10 mg

51% of 13,186 products listing zinc give more (median 11 mg).

Copperas Copper Citrate Complex1 mg50%Copper in Bone Guardian against 6,468 products1 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg1 mg

40% of 6,468 products listing copper give more (median 1 mg).

Manganeseas Manganese Citrate5 mg250%Manganese in Bone Guardian against 7,016 products5 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg5 mg

Higher than 80% of 7,016 products listing manganese (median 2 mg).

Chondroitin Sulfateas Bovine source30 mgChondroitin Sulfate in Bone Guardian against 950 products30 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.30 mg

98% of 950 products listing chondroitin sulfate give more (median 400 mg).

Silicaas Horsetail10 mg
Boronas Boron CitrateBoron (Form: from Boron Citrate)6 mgBoron in Bone Guardian against 3,339 products6 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg6 mg

Higher than 96% of 3,339 products listing boron (median 1 mg).

Strontiumas Strontium CitrateStrontium (Form: from Strontium Citrate)500 mcgStrontium in Bone Guardian against 111 products0.5 mg per serving; the middle half of products list 2.45 mg to 300 mg, the median 9.6 mg.0.5 mg

89% of 111 products listing strontium give more (median 9.6 mg).

Source: NIH ODS Dietary Supplement Label Database, label 254891 (entered September 24, 2021), 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 510 mcg of vitamin K is higher than 97% of the 4,607 vitamin K products that print an amount; 157 list more.
  • Its 1,000 mg of calcium is higher than 95% of the 17,831 calcium products that print an amount; 314 list more.
  • At 1 serving a day, the most its directions give, the label lists 500 mg of magnesium, 1.4 times the adult Tolerable Upper Intake Level.
  • 98% of the 950 products that print an amount of chondroitin sulfate list more than its 30 mg of chondroitin sulfate (median 400 mg).
  • Its 6 mg of boron is higher than 96% of the 3,339 boron products that print an amount; 83 list more.
  • 89% of the 111 products that print an amount of strontium list more than its 0.5 mg of strontium (median 9.6 mg).

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 Bone Guardian'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
Directions: As a dietary supplement take four (4) to six (6) tablets daily divided doses among meals, or as directed by a health-care professional.
Warnings
Keep out of reach of children
Allergens and what it does not contain
Does Not Contain: Wheat, rye, oats, corn, barley, gluten, yeast, egg, soy, dairy, GMOs, sugar, synthetic wax, preservatives, coloring, or artificial flavoring.
Storage
Store in a cool, dry place

Source: label statements in DSLD label 254891.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Sodium Carboxymethyl Cellulose, Stearic Acid, Silicon Dioxide, Magnesium Silicate, Pharmaceutical Glaze, Carnauba wax.

How many labels does Bone Guardian have?

One label is on file, entered on September 24, 2021.

  1. Label 254891 (current) Entered September 24, 2021 · on the market · 180 tablets

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

Who makes it?

The label names Health Products Distributors, Inc. (distributor), Oracle, AZ. All Health Products Distributors products.

Where next?