NOW Supplements, Calcium & Magnesium with Vitamin D-3 and Zinc, Supports Bone Health*, 240 Softgels
Product Analysis
Transparency Excellent
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Calcium (from Calcium Carbonate & Citrate ) | 333.33 mg | † |
| Magnesium (from Magnesium Oxide & Citrate) | 166.66 mg | † |
| Vitamin D3 (Vitamin D ) (as Cholecalciferol) | 5 mcg | † |
| Zinc (from Zinc Oxide) | 3.34 mg | † |
Bioavailability Poor
Absorption Rating
- Calcium (from Calcium Carbonate & Citrate ) Fair
- Magnesium (from Magnesium Oxide & Citrate) Poor
- Vitamin D3 (Vitamin D ) (as Cholecalciferol) Good
- Zinc (from Zinc Oxide) Poor
Other Ingredients Excellent
Fillers & Additives
- Rice Bran Oil
- Softgel (gelatin, glycerin, water, calcium carbonate)
- Soy Lecithin
- Yellow Beeswax
Efficacy Very Poor
Dosage Analysis
- Calcium (from Calcium Carbonate & Citrate ) 333.33 mg Under-dosed
- Magnesium (from Magnesium Oxide & Citrate) 166.66 mg Under-dosed
- Vitamin D3 (Vitamin D ) (as Cholecalciferol) 5 mcg Under-dosed
- Zinc (from Zinc Oxide) 3.34 mg Under-dosed
Supplement Facts
| Ingredient | Amount | % Daily Value |
|---|---|---|
| Calcium (from Calcium Carbonate & Citrate ) | 333.33 mg | † |
| Magnesium (from Magnesium Oxide & Citrate) | 166.66 mg | † |
| Vitamin D3 (Vitamin D ) (as Cholecalciferol) | 5 mcg | † |
| Zinc (from Zinc Oxide) | 3.34 mg | † |
Other Ingredients
Price Comparison
Price History
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Certifications
5 certifications
Is NOW NOW Supplements, Calcium & Magnesium with Vitamin D-3 and Zinc a good supplement?
NOW NOW Supplements, Calcium & Magnesium with Vitamin D-3 and Zinc, Supports Bone Health*, 240 Softgels received a product quality score of 59/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 4 active ingredients Of the 4 inactive ingredients, 3 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 NOW Supplements, Calcium & Magnesium with Vitamin D-3 and Zinc?
NOW NOW Supplements, Calcium & Magnesium with Vitamin D-3 and Zinc contains 4 active ingredients: Calcium (from Calcium Carbonate & Citrate ) (333.33 mg), Magnesium (from Magnesium Oxide & Citrate) (166.66 mg), Vitamin D3 (Vitamin D ) (as Cholecalciferol) (5 mcg), Zinc (from Zinc Oxide) (3.34 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.
Is NOW NOW Supplements, Calcium & Magnesium with Vitamin D-3 and Zinc safe to take?
NOW NOW Supplements, Calcium & Magnesium with Vitamin D-3 and Zinc, Supports Bone Health*, 240 Softgels 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.
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