Bone Calcium
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Vitamin D3 (as Cholecalciferol) | 400 IU | 100% |
| Calcium (as Calcium Citrate, Calcium Hydroxyapatite) | 500 mg | 50% |
| Phosphorus (as Hydroxyapatite) | 120 mg | 12% |
| Magnesium (as Magnesium Oxide) | 250 mg | 63% |
| Zinc (as Zinc Bisglycinate) | 7.5 mg | 50% |
| Copper (as Copper Bisglycinate) | 1 mg | 50% |
| Manganese (as Manganese Bisglycinate) | 2 mg | 100% |
| Boron (as Boron Amino Acid Chelate) | 0.7 mg | † |
Bioavailability Very Good
Absorption Rating
- Vitamin D3 (as Cholecalciferol) Good
- Calcium (as Calcium Citrate, Calcium Hydroxyapatite) Good
- Phosphorus (as Hydroxyapatite) Good
- Magnesium (as Magnesium Oxide) Poor
- Zinc (as Zinc Bisglycinate) Good
- Copper (as Copper Bisglycinate) Good
- Manganese (as Manganese Bisglycinate) Good
- Boron (as Boron Amino Acid Chelate) Fair
Other Ingredients Excellent
Fillers & Additives
- Cellulose
- Stearic Acid
- Croscarmellose Sodium
- Magnesium Stearate
- Silica
- Vegetarian Coating
Efficacy Fair
Dosage Analysis
- Vitamin D3 (as Cholecalciferol) 400 IU Under-dosed
- Calcium (as Calcium Citrate, Calcium Hydroxyapatite) 500 mg Effective
- Phosphorus (as Hydroxyapatite) 120 mg Under-dosed
- Magnesium (as Magnesium Oxide) 250 mg Effective
- Zinc (as Zinc Bisglycinate) 7.5 mg Under-dosed
- Copper (as Copper Bisglycinate) 1 mg Effective
- Manganese (as Manganese Bisglycinate) 2 mg Effective
- Boron (as Boron Amino Acid Chelate) 0.7 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Vitamin D3 (as Cholecalciferol) | 400 IU | 100% |
| Calcium (as Calcium Citrate, Calcium Hydroxyapatite) | 500 mg | 50% |
| Phosphorus (as Hydroxyapatite) | 120 mg | 12% |
| Magnesium (as Magnesium Oxide) | 250 mg | 63% |
| Zinc (as Zinc Bisglycinate) | 7.5 mg | 50% |
| Copper (as Copper Bisglycinate) | 1 mg | 50% |
| Manganese (as Manganese Bisglycinate) | 2 mg | 100% |
| Boron (as Boron Amino Acid Chelate) | 0.7 mg | † |
Other Ingredients
Cellulose Safe
Stearic Acid Safe
Magnesium Stearate Safe
Silica Safe
Vegetarian Coating Generally_safe
Price Comparison
Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.
Certifications
5 certifications
Is NOW Bone Calcium a good supplement?
NOW Bone Calcium received a product quality score of 82/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 8 active ingredients with 120 servings per container. Of the 6 inactive ingredients, 5 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 Calcium?
NOW Bone Calcium contains 8 active ingredients: Vitamin D3 (as Cholecalciferol) (400 IU), Calcium (as Calcium Citrate, Calcium Hydroxyapatite) (500 mg), Phosphorus (as Hydroxyapatite) (120 mg), Magnesium (as Magnesium Oxide) (250 mg), Zinc (as Zinc Bisglycinate) (7.5 mg), Copper (as Copper Bisglycinate) (1 mg), and 2 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is NOW Bone Calcium safe to take?
NOW Bone Calcium 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.
What is magnesium good for?
Magnesium Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding magnesium good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.
How much magnesium per day?
The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.
What is zinc good for?
Zinc Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding zinc good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.
Scan Any Supplement Instantly
Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.