$27.95 $0.93 per serving
Product analysis
Bone Strength supplies nutrients that support normal bone mineral and calcium use, particularly when intake is low. Its clearly stated amounts and forms make it easy to check how it fits alongside dietary intake.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality46
Vitamin K is clearly identified as MK-7, giving useful assurance about its form. The Aquamin calcium name does not resolve its precise compound, and other form comparisons remain uncertain.
Ingredient Transparency100
All listed nutrient amounts and forms are stated. That makes the serving straightforward to check and compare with other bone-focused supplements.
Value For Money32
The serving is relatively expensive when judged for calcium, vitamin K or boron alone. Its broader serving cost looks middling, while value for several other nutrients remains uncertain.
Customer Satisfaction83
Customer feedback is generally very favorable across more than a thousand ratings. The sizeable review base provides established satisfaction context without proving bone benefits.
Product Focus60
The formula fits bone nutrition through calcium, magnesium and vitamin D. The selected two-capsule serving provides only partial contributions, and broader hormone benefits depend on correcting a low intake.
- Format
Capsule - Container
- 120 Capsule(s)
- Per serving
- $0.93
- Customer rating
- 4.7 · 1,606 ratings
Goals
Impact
High effect
Vitamin K · 60 mcgMagnesium · 200 mgCalcium · 600 mgVitamin D · 25 mcgManganese · 1 mgBoron · 3 mgZinc · 8 mgVitamin C · 60 mg
Impact
Moderate effect
Vitamin D · 25 mcgMagnesium · 200 mgVitamin K · 60 mcgBoron · 3 mgZinc · 8 mgVitamin C · 60 mg
Impact
Moderate effect
Magnesium · 200 mgZinc · 8 mgVitamin D · 25 mcgBoron · 3 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin C (Acerola Cherry Extract) | 60 mg | |
Vitamin D3 (Cholecalciferol) | 25 mcg | |
Calcium (Aquamin) | 600 mg | |
Magnesium (Aquamin Magnesium) | 200 mg | |
Zinc (Zinc Amino Acid Chelate) | 8 mg | |
Manganese (Manganese Sulfate) | 1 mg | |
Potassium (Potassium Chloride) | 50 mg | |
Vitamin K2 (Menaquinone-7) | 60 mcg | |
Boron (Boron Citrate) | 3 mg | |
Silica (Horsetail Herb Extract) | 3 mg |
Calcium (Aquamin) · 600 mg OverallScore56
Bone Strength provides 600 mg of calcium per serving, a substantial contribution, at a high cost per serving. The calcium form is not specified. No configured artificial additives or flow agents are listed; the sugar amount is unknown.
How this ingredient is rated
Active Ingredient Quality & Bioavailability30
The calcium form is not specified. The calcium amount is stated.
Calcium Form & Absorption Potential
The calcium form is not specified.
Elemental Calcium Transparency
The calcium amount is stated.
Dose, Safety & Label Transparency100
600 mg of calcium provides a substantial contribution per serving. No configured artificial additives or flow agents are listed; the sugar amount is unknown.
Absorption-Optimized Serving Dose
Each serving supplies 600 mg of calcium, a substantial contribution.
Formulation Purity & Additives
No configured artificial additives or flow agents are listed; the sugar amount is unknown.
Value20
The cost per serving is high.
Price Per Serving Efficiency
The cost per serving is high.
Vitamin K (Menaquinone-7) · 60 mcg OverallScore70
Each serving provides 60 mcg of vitamin K2 as MK-7 at a high cost per serving. The MK-7 isomer is not specified.
How this ingredient is rated
Active Ingredient Quality & Bioavailability82
MK-7 is a vitamin K2 form that stays in the bloodstream longer than other forms. Its trans or all-trans identity is not specified.
Vitamin K Form (MK-7 vs. MK-4 vs. K1)
Vitamin K2 includes MK-7, which remains in the bloodstream longer than other forms.
MK-7 Isomer Disclosure
The MK-7 is not specified as trans or all-trans.
Dose, Safety & Label Transparency83
The serving provides 60 mcg of MK-7, and the amount and subtype are stated.
Vitamin K2 (MK-7) Dosage Efficacy
Each serving provides 60 mcg of MK-7.
Form and Subtype Transparency
The vitamin K amount and MK-7 subtype are stated.
Value20
The cost per serving is high.
Price per Effective MK-7 Serving
The cost per serving is high.
Boron (Boron Citrate) · 3 mg OverallScore68
3 mg of boron per serving comes at a high cost for the boron provided. It uses Boron Citrate.
How this ingredient is rated
Active Ingredient Quality & Bioavailability64
The boron source is Boron Citrate.
Boron Form & Bioavailability
The boron comes from Boron Citrate.
Trademarked & High-Purity Sources
No specific trademark or purity certification is identified.
Dose, Safety & Label Transparency100
The serving provides 3 mg of boron. The amount falls within the range described for general mineral support.
Elemental Dose Transparency
The boron amount is stated along with its source, Boron Citrate.
Dosage Efficacy & Safety Margin
At 3 mg per serving, the amount falls within the range described for general mineral support.
Value10
The cost relative to the boron amount is high.
Price per 3mg Elemental Boron
The cost relative to the boron amount is high. The estimate uses the full serving price, so it may overstate the cost attributable to boron.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- [Comparative study of the urinary excretion of boron, calcium, magnesium and phosphorus in postmenopausal women with and without osteoporosis].
- Effect of dietary boron on mineral, estrogen, and testosterone metabolism in postmenopausal women.
- The relationship between boron and magnesium status and bone mineral density in the human: a review.
- Effects of boron supplementation on bone mineral density and dietary, blood, and urinary calcium, phosphorus, magnesium, and boron in female athletes.
- Metabolic responses of postmenopausal women to supplemental dietary boron and aluminum during usual and low magnesium intake: boron, calcium, and magnesium absorption and retention and blood mineral concentrations
- What is the impact of daily oral supplementation of vitamin D3 (cholecalciferol) plus calcium on the incidence of hip fracture in older people? A systematic review and meta-analysis.
- Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
- The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
- The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
- Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
- Association between Serum Magnesium and Fractures: A Systematic Review and Meta-Analysis of Observational Studies.
- Bioabsorbable Magnesium-Based Materials Potential and Safety in Bone Surgery: A Systematic Review.
- Vascularized bone grafting fixed by biodegradable magnesium screw for treating osteonecrosis of the femoral head.
- An update on magnesium and bone health.
- Sex-specific differences in the association of magnesium intake with femoral neck bone mineral density among older adults.
- Risk of Environmental Chemicals on Bone Fractures Is Independent of Low Bone Mass in US Adults: Insights from 2017 to 2018 NHANES.
- The Manganese-Bone Connection: Investigating the Role of Manganese in Bone Health.
- Associations of multiple metals with bone mineral density: A population-based study in US adults.
- Sex-specific associations of urinary mixed-metal concentrations with femoral bone mineral density among older people: an NHANES (2017-2020) analysis.
- Relationship between blood manganese and bone mineral density and bone mineral content in adults: A population-based cross-sectional study.