$11.60 $0.35 per serving
Product analysis
Magnesium & Calcium offers a compact combination of minerals and vitamin D, with mixed mineral forms that are harder to compare because their proportions are undisclosed.
AI assessment of the formula, label and price. How scoring works
Nutrient Quality44
The zinc form is clearly identified, while the calcium and magnesium mixtures contain unresolved components and proportions. Their absorption cannot be judged confidently from the named forms alone.
Ingredient Transparency80
Source amounts and nutrient forms are stated, giving a partial picture of the formula. The amount per serving and proportions within the mineral mixtures remain unresolved.
Value For Money54
An older calcium price comparison is favorable, while the magnesium form mixture compares less favorably. The serving uncertainty limits how confidently these findings describe the value of a serving.
Customer Satisfaction94
Customer feedback is very positive across tens of thousands of reviews. The very large review base gives a broad view of satisfaction.
Product Focus18
The combination spans several stated uses, but its cardiovascular contribution cannot be judged reliably. The amount per serving cannot be confirmed, so a meaningful nutrient exposure remains uncertain.
- Format
Tablet - Container
- 100 Tablet(s)
- Per serving
- $0.35
- Also available
Magnesium & Calcium$21.99- Customer rating
- 4.8 · 33,553 ratings
Goals
Impact
Situational effect
Magnesium · 800 mgCalcium · 400 mgVitamin D · 25 mcgZinc · 15 mg
Impact
Situational effect
Vitamin D · 25 mcgMagnesium · 800 mgZinc · 15 mg
Impact
Situational effect
Magnesium · 800 mgZinc · 15 mgVitamin D · 25 mcg
Impact
Situational effect
Magnesium · 800 mgVitamin D · 25 mcg
Ingredients
| Ingredient | Amount per serving | Score |
|---|---|---|
Vitamin D3 (Cholecalciferol) | 25 mcg | |
Calcium (Aquamin TG seaweed derived Minerals, Calcium Citrate) | 400 mg | |
Magnesium (Aquamin TG seaweed derived Minerals, Magnesium Citrate, Magnesium Glycinate, Magnesium Oxide, Magnesium Taurinate) | 800 mg | |
Zinc (L-OptiZinc Monomethionine) | 15 mg |
A serving provides 400 mg of calcium at a moderate cost per serving. Calcium citrate is named, but the full calcium source and its proportions are unknown. A flow agent is listed.
How this ingredient is rated
Active Ingredient Quality & Bioavailability41
Calcium citrate is named, but the full calcium source and its proportions are unknown. The calcium amount is stated.
Calcium Form & Absorption Potential
Calcium citrate is named, but the full calcium source and its proportions are unknown.
Elemental Calcium Transparency
The label states the calcium amount.
Dose, Safety & Label Transparency84
A serving provides 400 mg of calcium. A flow agent is listed.
Absorption-Optimized Serving Dose
A serving provides 400 mg of calcium.
Formulation Purity & Additives
A flow agent is listed.
Value80
The cost per serving is moderate.
Price Per Serving Efficiency
The cost per serving is moderate.
Zinc (L-OptiZinc Monomethionine) · 15 mg OverallScore76
A serving provides 15 mg of zinc at a moderate cost per serving. The zinc comes from zinc l-monomethionine sulfate. The copper amount is unknown, so the zinc-to-copper balance is unclear.
How this ingredient is rated
Active Ingredient Quality & Bioavailability100
The zinc comes from zinc l-monomethionine sulfate.
Zinc Form Bioavailability
The zinc comes from zinc l-monomethionine sulfate.
Dose, Safety & Label Transparency61
A serving provides 15 mg of zinc. The copper amount is unknown, so the zinc-to-copper balance is unclear.
Elemental Dose Transparency
The zinc amount and source are stated.
Zinc Dosage Safety & Effectiveness
A serving provides 15 mg of zinc.
Zinc-to-Copper Mineral Balance
The copper amount is unknown, so the zinc-to-copper balance is unclear.
Value60
The cost per serving is moderate.
Price Per Serving Efficiency
The cost per serving is moderate.
Magnesium (Aquamin TG seaweed derived Minerals, Magnesium Citrate, Magnesium Glycinate, Magnesium Oxide, Magnesium Taurinate) · 800 mg OverallScore44
A serving provides a high 800 mg of magnesium at a low whole-product cost per serving. It lists magnesium citrate, magnesium glycinate, magnesium oxide and magnesium taurinate, alongside an unspecified form, with proportions undisclosed.
How this ingredient is rated
Active Ingredient Quality & Bioavailability14
It lists magnesium citrate, magnesium glycinate, magnesium oxide and magnesium taurinate, alongside an unspecified form, with proportions undisclosed. No specific branded or fully chelated magnesium claim is identified.
Magnesium Form & Absorption Potential
It lists magnesium citrate, magnesium glycinate, magnesium oxide and magnesium taurinate, alongside an unspecified form, with proportions undisclosed.
Patented Materials & Chelation Quality
No specific branded or fully chelated magnesium claim is identified.
Dose, Safety & Label Transparency79
The serving lists 800 mg of elemental magnesium. The serving also lists 400 mg of calcium.
Elemental Yield Transparency
The elemental magnesium amount is stated, though its full form is unclear.
Therapeutic Dosage Alignment
Each serving supplies 800 mg of elemental magnesium.
Synergistic Formulation Logic
The serving also lists 400 mg of calcium.
Value36
The whole-product cost per serving is low, and the form proportions are unknown.
Price Per Elemental Quality
The whole-product cost per serving is low, and the form proportions are unknown.
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Sources
Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.
- 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.
- Pregnancy vitamin D supplementation and offspring bone mineral density in childhood follow-up of a randomized controlled trial.
- Vitamin D analogs and bone: preclinical and clinical studies with eldecalcitol.
- Efficacy of vitamin D fortified foods on bone mineral density and serum bone biomarkers: A systematic review and meta-analysis of interventional studies.
- Cholecalciferol Supplementation Attenuates Bone Loss in Incident Kidney Transplant Recipients: A Prespecified Secondary Endpoint Analysis of a Randomized Controlled Trial.
- Vitamin D supplementation and bone health in post-menopausal women: a 24-month randomized controlled intervention with enhanced bioavailability formulations.
- Increased incidence of fractures in middle-aged and elderly men with low intakes of phosphorus and zinc.
- Zinc Supplementation Increases Procollagen Type 1 Amino-Terminal Propeptide in Premenarcheal Girls: A Randomized Controlled Trial.
- Randomized controlled trial of prenatal zinc supplementation and fetal bone growth.
- The effects of zinc supplementation on serum zinc, alkaline phosphatase activity and fracture healing of bones.
- Is Zinc an Important Trace Element on Bone-Related Diseases and Complications? A Meta-analysis and Systematic Review from Serum Level, Dietary Intake, and Supplementation Aspects.