$16.29 $0.54 per serving
Product analysis
Bone Defense combines calcium, vitamin D and magnesium to support bone maintenance when dietary intake falls short. Unclear blend details make it harder to judge some of the added ingredients.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality42
The mineral forms vary: copper glycinate and zinc citrate are favorable choices, while magnesium oxide has limited absorption potential. Unknown calcium proportions and unclear boron identity add uncertainty about the wider mineral mixture.
Ingredient Transparency71
Amounts and most forms are listed, so much of the formula can be checked. Missing proportions and unidentified blend components leave important details about the mixtures unclear.
Value For Money38
Value is mixed, with a favorable serving cost for vitamin K and more moderate value for calcium, copper and manganese. Magnesium, zinc, selenium and boron offer weaker value, while several other contributions remain uncertain.
Customer Satisfaction77
Customers generally rate the product positively, with a review pool of hundreds. These ratings describe satisfaction rather than proving effectiveness or safety.
Product Focus23
Bone nutrition is the clearest purpose, led by calcium, vitamin D and magnesium. The many wider health aims and unidentified blend make the role of every addition less clear.
- Format
Tablet - Container
- 90 Tablet(s)
- Per serving
- $0.54
- Customer rating
- 4.8 · 314 ratings
Goals
Impact
Highest effect
Vitamin K · 150 mcgMagnesium · 300 mgCalcium · 500 mgVitamin D · 25 mcgCopper · 1 mgManganese · 10 mgBoron · 3 mgZinc · 15 mgVitamin C · 100 mg
Impact
Highest effect
Vitamin D · 25 mcgMagnesium · 300 mgVitamin K · 150 mcgBoron · 3 mgSelenium · 100 mcgZinc · 15 mgVitamin C · 100 mg
Impact
High effect
Magnesium · 300 mgVitamin C · 100 mgZinc · 15 mgVitamin D · 25 mcgSelenium · 100 mcg
Impact
High effect
Vitamin K · 150 mcgMagnesium · 300 mgVitamin D · 25 mcgSelenium · 100 mcgVitamin C · 100 mg
Impact
High effect
Magnesium · 300 mgZinc · 15 mgVitamin D · 25 mcgBoron · 3 mg
Impact
High effect
Vitamin D · 25 mcgMagnesium · 300 mgVitamin C · 100 mg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Protein | 1 Gram(s) | |
Vitamin C | 100 mg | |
Vitamin D (Cholecalciferol, Vitamin D3) | 25 mcg | |
Vitamin K (Menaquinone, Phytonadione) | 150 mcg | |
Biotin | 150 mcg | |
Calcium (Advanced Calcium Blend) | 500 mg | |
Magnesium (Magnesium Oxide) | 300 mg | |
Zinc (Zinc Citrate) | 15 mg | |
Selenium (Selenomethionine) | 100 mcg | |
Copper (Copper Glycinate) | 1 mg | |
Manganese (Manganese Glycinate) | 10 mg | |
Ipriflavone (7-Isopropoxyisoflavone) | 100 mg | |
Boron (Tetra-Boron) | 3 mg | |
ActiSorb Base | 10 NP |
Manganese (Manganese Glycinate) · 10 mg OverallScore87
Copper (Copper Glycinate) · 1 mg OverallScore87
Zinc (Zinc Citrate) · 15 mg OverallScore84
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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.
- The Association between Dietary and Circulating Copper Levels and Osteoporosis: a Scoping Review.
- Association between dietary copper, iron, zinc, selenium intake and osteopenia or osteoporosis in elderly hypertensive patients: a retrospective cohort study.
- Associations of dietary copper intake with total bone mineral density and lumbar spine bone mineral density in American adults.
- The association between dietary mineral intake and bone mineral density: a cross-sectional study.
- Association between dietary copper intake and bone mineral density in children and adolescents aged 8-19 years: A cross-sectional study.
- 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.