NOW Bone Strength, 120 Capsules supplement bottle
NOW

Bone Strength, 120 Capsules

What We Researched
14 active ingredients analyzed · 5 inactive ingredients decoded · 5 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
80
Product Score Good
89
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Protein (from MCHA and Amino Acid Chelates) 1 g 2%
Vitamin C (from Magnesium Ascorbate) 133 mg 148%
Vitamin D3 (as Cholecalciferol) (667 IU) 16.68 mcg 83%
Vitamin K2 (as Menaquinone-4) (MK-4) 67 mcg 56%
Thiamin (Vitamin B1) (from Thiamin HCl) 3 mg 250%
Calcium (from MCHA) 667 mg 51%
Phosphorus (from MCHA) 287 mg 23%
Magnesium (from Magnesium Oxide and Ascorbate) 400 mg 95%
Zinc (from Zinc Amino Acid Chelate) 7 mg 64%
Copper (from Copper Amino Acid Chelate) 0.7 mg 64%
Manganese (from Manganese Amino Acid Chelate) 2 mg 87%
Horsetail (Equisetum arvense) (Aerial Parts) 67 mg *
Boron (from Boron Amino Acid Chelate) 467 mcg *
Bioavailability Good

Absorption Rating

  • Protein (from MCHA and Amino Acid Chelates) Good
  • Vitamin C (from Magnesium Ascorbate) Good
  • Vitamin D3 (as Cholecalciferol) (667 IU) Good
  • Vitamin K2 (as Menaquinone-4) (MK-4) Good
  • Thiamin (Vitamin B1) (from Thiamin HCl) Fair
  • Calcium (from MCHA) Good
  • Phosphorus (from MCHA) Good
  • Magnesium (from Magnesium Oxide and Ascorbate) Poor
  • Zinc (from Zinc Amino Acid Chelate) Fair
  • Copper (from Copper Amino Acid Chelate) Fair
  • Manganese (from Manganese Amino Acid Chelate) Good
  • Horsetail (Equisetum arvense) (Aerial Parts) Poor
  • Boron (from Boron Amino Acid Chelate) Fair
Other Ingredients Excellent

Fillers & Additives

  • Bovine gelatin (capsule)
  • Magnesium Stearate (Vegetable Source)
  • Silica
  • Glucosamine potassium sulfate complex
  • Stearic acid (vegetable source) and cellulose
Efficacy Fair

Dosage Analysis

  • Protein (from MCHA and Amino Acid Chelates) 1 g Under-dosed
  • Vitamin C (from Magnesium Ascorbate) 133 mg Effective
  • Vitamin D3 (as Cholecalciferol) (667 IU) 16.68 mcg Effective
  • Vitamin K2 (as Menaquinone-4) (MK-4) 67 mcg Under-dosed
  • Thiamin (Vitamin B1) (from Thiamin HCl) 3 mg Effective
  • Calcium (from MCHA) 667 mg Effective
  • Phosphorus (from MCHA) 287 mg Under-dosed
  • Magnesium (from Magnesium Oxide and Ascorbate) 400 mg High
  • Zinc (from Zinc Amino Acid Chelate) 7 mg Under-dosed
  • Copper (from Copper Amino Acid Chelate) 0.7 mg Effective
  • Manganese (from Manganese Amino Acid Chelate) 2 mg Effective
  • Horsetail (Equisetum arvense) (Aerial Parts) 67 mg Under-dosed
  • Boron (from Boron Amino Acid Chelate) 467 mcg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calories 5
Protein (from MCHA and Amino Acid Chelates) 1 g 2%
Vitamin C (from Magnesium Ascorbate) 133 mg 148%
Vitamin D3 (as Cholecalciferol) (667 IU) 16.68 mcg 83%
Vitamin K2 (as Menaquinone-4) (MK-4) 67 mcg 56%
Thiamin (Vitamin B1) (from Thiamin HCl) 3 mg 250%
Calcium (from MCHA) 667 mg 51%
Phosphorus (from MCHA) 287 mg 23%
Magnesium (from Magnesium Oxide and Ascorbate) 400 mg 95%
Zinc (from Zinc Amino Acid Chelate) 7 mg 64%
Copper (from Copper Amino Acid Chelate) 0.7 mg 64%
Manganese (from Manganese Amino Acid Chelate) 2 mg 87%
Horsetail (Equisetum arvense) (Aerial Parts) 67 mg *
Boron (from Boron Amino Acid Chelate) 467 mcg *

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Bovine gelatin (capsule) Unknown
Magnesium Stearate (Vegetable Source) Generally_safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Glucosamine potassium sulfate complex Unknown
Stearic acid (vegetable source) and cellulose Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$13$12$11$10$9 Mar 12 $11.09
Vitacost

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

Founded 1968 · Bloomingdale, Illinois, USA · 53 products · nowfoods.com

Certifications

5 certifications
Informed Sport Verified Source
Npa Gmp Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Claimed
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is NOW Bone Strength, 120 Capsules a good supplement?

NOW Bone Strength, 120 Capsules received a product quality score of 80/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 14 active ingredients with 30 servings per container. Of the 5 inactive ingredients, 1 are rated safe and 0 are flagged for review. The manufacturer, NOW, holds a brand trust score of 89/100 with 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project.

What are the ingredients in NOW Bone Strength, 120 Capsules?

NOW Bone Strength, 120 Capsules contains 14 active ingredients: Calories (5), Protein (from MCHA and Amino Acid Chelates) (1 g), Vitamin C (from Magnesium Ascorbate) (133 mg), Vitamin D3 (as Cholecalciferol) (667 IU) (16.68 mcg), Vitamin K2 (as Menaquinone-4) (MK-4) (67 mcg), Thiamin (Vitamin B1) (from Thiamin HCl) (3 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 Bone Strength, 120 Capsules safe to take?

NOW Bone Strength, 120 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 a trustworthy supplement brand?

NOW receives a brand trust score of 89/100 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 53 products in their lineup. They hold 5 verified certifications including Informed Sport, Npa Gmp, Fda Gmp Inspections, Non Gmo Project. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.