NOW Foods Bone Strength™, 240 Capsules supplement bottle
NOW Foods

Bone Strength™, 240 Capsules

What We Researched
14 active ingredients analyzed · 5 inactive ingredients decoded · 7 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
81
Product Score Good
100
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (from Magnesium Ascorbate) 133 mg 148%
Vitamin D (as D3 Cholecalciferol) (667 IU) 16.68 mcg 83%
Thiamin (Vitamin B-1) (from Thiamin HCl) 3 mg 250%
Calcium (from MCHA) 620 mg 48%
Phosphorus (from MCHA) 287 mg 23%
Magnesium (from Magnesium Oxide and Ascorbate) 400 mg 95%
Zinc (from Zinc Chelate Complex) 7 mg 64%
Copper (from Copper Chelate Complex) 0.7 mg 78%
Manganese (from Manganese Chelate Complex) 2 mg 87%
Horsetail Herb (Equisetum arvense) (Aerial Parts) 67 mg
Boron (from Boron Chelate Complex) 467 mcg
Vitamin K2 (as Menaquinone-7) (MK-7) 67 mcg
Bioavailability Good

Absorption Rating

  • Vitamin C (from Magnesium Ascorbate) Good
  • Vitamin D (as D3 Cholecalciferol) (667 IU) Good
  • Thiamin (Vitamin B-1) (from Thiamin HCl) Fair
  • Calcium (from MCHA) Good
  • Phosphorus (from MCHA) Good
  • Magnesium (from Magnesium Oxide and Ascorbate) Poor
  • Zinc (from Zinc Chelate Complex) Fair
  • Copper (from Copper Chelate Complex) Fair
  • Manganese (from Manganese Chelate Complex) Good
  • Horsetail Herb (Equisetum arvense) (Aerial Parts) Fair
  • Boron (from Boron Chelate Complex) Fair
  • Vitamin K2 (as Menaquinone-7) (MK-7) Good
Other Ingredients Excellent

Fillers & Additives

  • Bovine gelatin (bse-free) (capsule)
  • Magnesium Stearate (Vegetable Source)
  • Silicon Dioxide
  • Stearic Acid (Vegetable Source)
  • Glucosamine potassium sulfate complex and Microcrystalline cellulose
Efficacy Fair

Dosage Analysis

  • Vitamin C (from Magnesium Ascorbate) 133 mg Effective
  • Vitamin D (as D3 Cholecalciferol) (667 IU) 16.68 mcg Effective
  • Thiamin (Vitamin B-1) (from Thiamin HCl) 3 mg Effective
  • Calcium (from MCHA) 620 mg Effective
  • Phosphorus (from MCHA) 287 mg Under-dosed
  • Magnesium (from Magnesium Oxide and Ascorbate) 400 mg High
  • Zinc (from Zinc Chelate Complex) 7 mg Under-dosed
  • Copper (from Copper Chelate Complex) 0.7 mg Effective
  • Manganese (from Manganese Chelate Complex) 2 mg Effective
  • Horsetail Herb (Equisetum arvense) (Aerial Parts) 67 mg Under-dosed
  • Boron (from Boron Chelate Complex) 467 mcg Under-dosed
  • Vitamin K2 (as Menaquinone-7) (MK-7) 67 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 5
Protein 1 g
Vitamin C (from Magnesium Ascorbate) 133 mg 148%
Vitamin D (as D3 Cholecalciferol) (667 IU) 16.68 mcg 83%
Thiamin (Vitamin B-1) (from Thiamin HCl) 3 mg 250%
Calcium (from MCHA) 620 mg 48%
Phosphorus (from MCHA) 287 mg 23%
Magnesium (from Magnesium Oxide and Ascorbate) 400 mg 95%
Zinc (from Zinc Chelate Complex) 7 mg 64%
Copper (from Copper Chelate Complex) 0.7 mg 78%
Manganese (from Manganese Chelate Complex) 2 mg 87%
Horsetail Herb (Equisetum arvense) (Aerial Parts) 67 mg
Boron (from Boron Chelate Complex) 467 mcg
Vitamin K2 (as Menaquinone-7) (MK-7) 67 mcg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Bovine gelatin (bse-free) (capsule) Unknown
Magnesium Stearate (Vegetable Source) Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Stearic Acid (Vegetable Source) Generally_safe

It is used as a lubricant and release agent.

Glucosamine potassium sulfate complex and Microcrystalline cellulose Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$26$25$24$23$22 Mar 12 $24.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
NOW Foods

Founded 1968 · Bloomingdale, Illinois, USA · 996 products · nowfoods.com

Certifications

7 certifications
Consumerlab Verified Source
Informed Sport Verified Source
Labdoor Verified Source
Non Gmo Project Verified Source
Npa Gmp Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

7 incidents
Lawsuit Mislabeled St. John's Wort supplement, containing significantly less of the active ingredient than advertised.NoneSource
Lawsuit A data breach that compromised personal and health information of employees and dependents.2023Source
Prop 65 Lead2021-11-30Source
Recall NOW Real Food® Raw Macadamia Nuts2020-06-12Source
Recall NOW Real Food® Zesty Sprouting Mix2018-06-21Source
Lawsuit Misleadingly using slack-fill packaging for their Vitamin C supplements.2015Source
Fda Warning Adulterated Dietary Supplement due to pesticide (quintozene) contamination in American Ginseng.2007-10-12Source
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Frequently Asked Questions
Is NOW Foods Bone Strength™, 240 Capsules a good supplement?

NOW Foods Bone Strength™, 240 Capsules received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 14 active ingredients Of the 5 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, NOW Foods, holds a brand trust score of 100/100 with 7 verified certifications including Consumerlab, Informed Sport, Labdoor, Non Gmo Project.

What are the ingredients in NOW Foods Bone Strength™, 240 Capsules?

NOW Foods Bone Strength™, 240 Capsules contains 14 active ingredients: Calories (5), Protein (1 g), Vitamin C (from Magnesium Ascorbate) (133 mg), Vitamin D (as D3 Cholecalciferol) (667 IU) (16.68 mcg), Thiamin (Vitamin B-1) (from Thiamin HCl) (3 mg), Calcium (from MCHA) (620 mg), and 8 more. Notable high-dose ingredients include Thiamin at 250% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW Foods Bone Strength™, 240 Capsules safe to take?

NOW Foods Bone Strength™, 240 Capsules has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is NOW Foods a trustworthy supplement brand?

NOW Foods receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 996 products in their lineup. They hold 7 verified certifications including Consumerlab, Informed Sport, Labdoor, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NOW Foods has 7 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.