PlainVitamins

Bone Strength

by NOW · capsule · 120 capsules

  • On the market (NIH)
  • UPC 7 33739 01228 9
  • DSLD label 335210
  • Serving 4 capsules
  • 30 servings

Bone Strength by NOW lists 12 ingredients, 12 with an amount per serving of 4 capsules, such as 133 mg of vitamin C, 16.68 mcg (667 IU) of vitamin D, 3 mg of thiamine and 620 mg of calcium, beside 1 Nutrition Facts row (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on September 25, 2025.

What is in Bone Strength?

Each row as the label prints it, per serving of 4 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).

Bone Strength: Supplement Facts rows against the market (DSLD label 335210, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Protein1 gProtein in Bone Strength against 8,985 products1 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.1 g

77% of 8,985 products listing protein give more (median 16 g).

Vitamin Cas Magnesium Ascorbate133 mg148%Vitamin C in Bone Strength against 18,583 products133 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg133 mg

Higher than 57% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Das Vitamin D3667 IU16.68 mcg (667 IU)83%Vitamin D in Bone Strength against 14,175 products16.68 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg16.68 mcg

Higher than 50% of 14,175 products listing vitamin D (median 15 mcg).

Thiamineas Vitamin B13 mg250%Thiamin in Bone Strength against 9,830 products3 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg3 mg

53% of 9,830 products listing thiamin give more (median 5 mg).

Calciumas Microcrystalline Hydroxyapatite620 mg48%Calcium in Bone Strength against 17,831 products620 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg620 mg

Higher than 93% of 17,831 products listing calcium (median 115 mg).

Phosphorusas Microcrystalline Hydroxyapatite287 mg23%Phosphorus in Bone Strength against 3,786 products287 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg287 mg

Higher than 86% of 3,786 products listing phosphorus (median 90 mg).

Magnesiumas Magnesium Ascorbate, Magnesium Oxide400 mg95%Magnesium in Bone Strength against 14,003 products400 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg400 mg

Higher than 92% of 14,003 products listing magnesium (median 86 mg). 1.1 times the adult UL a day.

Zincas Zinc Chelatezinc chelate complex7 mg64%Zinc in Bone Strength against 13,186 products7 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg7 mg

68% of 13,186 products listing zinc give more (median 11 mg).

Copperas Copper Chelatecopper chelate complex0.7 mg78%Copper in Bone Strength against 6,468 products0.7 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.7 mg

65% of 6,468 products listing copper give more (median 1 mg).

Manganeseas Manganese Chelatemanganese chelate complex2 mg87%Manganese in Bone Strength against 7,016 products2 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg2 mg

38% of 7,016 products listing manganese give more (median 2 mg).

Horsetailhorsetail herb67 mgHorsetail in Bone Strength against 519 products67 mg per serving; the middle half of products list 20 mg to 200 mg, the median 67 mg.67 mg

50% of 519 products listing horsetail give more (median 67 mg).

Boronas Boron Chelateboron chelate complex467 mcgBoron in Bone Strength against 3,339 products0.467 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg0.467 mg

73% of 3,339 products listing boron give more (median 1 mg).

Vitamin K2as Menaquinone-767 mcg56%*Vitamin K in Bone Strength against 4,607 products67 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg67 mcg

54% of 4,607 products listing vitamin K give more (median 80 mcg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 335210 (entered September 25, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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 620 mg of calcium is higher than 93% of the 17,831 calcium products that print an amount; 1,246 list more.
  • At 1 serving a day, the most its directions give, the label lists 400 mg of magnesium, 1.1 times the adult Tolerable Upper Intake Level.

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?

3 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 Usage: Take 4 capsules daily, preferably in divided doses, with food.
Warnings
Not manufactured with wheat, gluten, soy, milk, egg, fish or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Caution: For adults only. Keep out of reach of children.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
Contains shellfish (shrimp, crab).
Allergens and what it does not contain
Not manufactured with wheat, gluten, soy, milk, egg, fish or sesame ingredients.
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 335210.

What else is on the label?

Other ingredients: Bovine Gelatin, Magnesium Stearate, Silicon Dioxide, Stearic Acid, Glucosamine Potassium Sulfate Complex, Microcrystalline Cellulose.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Quality Assured.

How many labels does Bone Strength have?

14 labels are on file under this name since October 25, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 335210 (current) Entered September 25, 2025 · on the market · 120 capsules · UPC 7 33739 01228 9
  2. Label 313602 Entered June 20, 2024 · off the market January 21, 2025 · 240 capsules · UPC 7 33739 01229 6
  3. Label 313601 Entered June 20, 2024 · off the market January 21, 2025 · 120 capsules · UPC 7 33739 01228 9
  4. Label 77532 Entered December 22, 2017 · off the market February 12, 2024 · 120 capsules · UPC 7 33739 01228 9
  5. Label 74195 Entered June 23, 2017 · off the market February 12, 2024 · 240 capsules · UPC 7 33739 01229 6
  6. Label 70734 Entered February 24, 2017 · off the market May 1, 2017 · 240 capsules · UPC 7 33739 01229 6
  7. Label 70358 Entered February 24, 2017 · off the market May 23, 2017 · 120 capsules · UPC 7 33739 01228 9
  8. Label 51468 Entered October 22, 2015 · off the market November 30, 2016 · 240 capsules · UPC 7 33739 01229 6
  9. Label 51467 Entered October 22, 2015 · off the market November 30, 2016 · 120 capsules · UPC 7 33739 01228 9
  10. Label 28038 Entered November 25, 2013 · off the market September 30, 2015 · 240 capsules · UPC 7 33739 01229 6
  11. Label 28000 Entered November 25, 2013 · off the market September 30, 2015 · 120 capsules · UPC 7 33739 01228 9
  12. Label 14671 Entered October 25, 2012 · off the market November 20, 2012 · 240 capsules · UPC 7 33739 01229 6
  13. Label 14670 Entered October 25, 2012 · off the market November 8, 2012 · 120 capsules · UPC 7 33739 01228 9
  14. Label 14668 Entered October 25, 2012 · off the market March 28, 2012 · 120 capsules · UPC 7 33739 01228 9

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

Who makes it?

The label names NOW Foods (manufacturer), Bloomingdale, IL. All NOW products.

Where next?