Calcium & Magnesium Mineral Complex

Calcium & Magnesium Mineral Complex

Nature's Way4.8 (1,283 ratings)
Format:Capsule Quantity: 250 Capsule(s) · 83 servings
Goals

Product analysis

62 out of 100

Calcium & Magnesium Mineral Complex helps fill mineral gaps that matter for bone maintenance and normal energy use. The proportions of its mineral forms are not stated, making absorption quality harder to judge.

AI assessment of the formula, label and price. How scoring works

Nutrient Quality41

The mineral blends include both more and less favorable forms for absorption. Their unknown proportions make the quality of the whole serving difficult to judge.

Ingredient Transparency70

Total amounts and the calcium and magnesium forms are stated. The proportions of those forms are missing, so you cannot tell how much each contributes.

Value For Money65

Calcium offers good value at the low cost per serving. Magnesium value is more uncertain because its balance of forms is not disclosed.

Customer Satisfaction84

Customer ratings are very positive, with more than a thousand ratings available. That provides a useful feedback base, although it is smaller than those of widely reviewed supplements.

Product Focus65

Bone nutrition and filling mineral gaps are the clearest purposes. Broader aims such as stress relief and hormone support have more limited or conditional support.

Format
Capsule
Container
250 Capsule(s)
Per serving
$0.20
Customer rating
4.8 · 1,283 ratings
Report analysis

Goals

Impact
High effect
B- Ingredient FitD+ PathwaysA+ EvidenceA Formulation Logic
Magnesium · 250 mgCalcium · 500 mg
Study evidence
Calcium Supportive 144 studies
Magnesium Supportive 48 studies
Impact
High effect
B Ingredient FitD+ PathwaysA- EvidenceA+ Formulation Logic
Magnesium · 250 mg
Study evidence
Magnesium Supportive 114 studies
Energy
Impact
Moderate effect
C Ingredient FitF PathwaysA- EvidenceA+ Formulation Logic
Magnesium · 250 mg
Study evidence
Magnesium Supportive 4 studies
Impact
Moderate effect
C Ingredient FitF PathwaysB EvidenceA+ Formulation Logic
Magnesium · 250 mg
Study evidence
Magnesium Supportive 13 studies
Impact
High effect
C Ingredient FitD- PathwaysA- EvidenceA+ Formulation Logic
Magnesium · 250 mg
Study evidence
Magnesium Supportive 158 studies
Impact
Moderate effect
C+ Ingredient FitF PathwaysF EvidenceA+ Formulation Logic
Magnesium · 250 mg
Study evidence
Magnesium Supportive 50 studies

Ingredients

IngredientAmount per servingScore
Total Carbohydrates
1 Gram(s)
Calcium (Calcium Carbonate, Calcium Citrate, Calcium Malate)
500 mg 82
Magnesium (Magnesium Bisglycinate Chelate, Magnesium Citrate, Magnesium Oxide)
250 mg 57
Gluten Free Adults 18–50 Dairy Free
Report overview
B- Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyA+ Value
A serving provides a 500 mg of calcium at a low cost per serving. The calcium comes from Calcium Carbonate and Calcium Citrate and Calcium Malate, in undisclosed proportions. A flow agent is present.
How this ingredient is rated

Active Ingredient Quality & Bioavailability72

The label states the calcium amount and sources. The proportions of the forms are unknown.
Calcium Form & Absorption Potential
The calcium comes from Calcium Carbonate and Calcium Citrate and Calcium Malate, in undisclosed proportions.
Elemental Calcium Transparency
The label states 500 mg of calcium and its sources.

Dose, Safety & Label Transparency84

A serving provides 500 mg of calcium. A flow agent is present.
Absorption-Optimized Serving Dose
A serving provides a 500 mg of calcium.
Formulation Purity & Additives
A flow agent is present.

Value100

The cost per serving is low.
Price Per Serving Efficiency
The cost per serving is low.
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyD+ Value
The serving provides 250 mg of elemental magnesium. The whole-product cost per serving is low for the stated magnesium forms. It uses Magnesium Bisglycinate, Magnesium Citrate and Magnesium Oxide; their proportions are unknown. The serving also contains 500 mg of calcium.
How this ingredient is rated

Active Ingredient Quality & Bioavailability25

It uses Magnesium Bisglycinate, Magnesium Citrate and Magnesium Oxide; their proportions are unknown. A specific branded chelation claim is not stated.
Magnesium Form & Absorption Potential
It uses Magnesium Bisglycinate, Magnesium Citrate and Magnesium Oxide; their proportions are unknown.
Patented Materials & Chelation Quality
A specific branded chelation claim is not stated.

Dose, Safety & Label Transparency90

The serving provides 250 mg of elemental magnesium. The serving also contains 500 mg of calcium.
Elemental Yield Transparency
The serving provides 250 mg of elemental magnesium.
Therapeutic Dosage Alignment
The serving provides 250 mg of elemental magnesium.
Synergistic Formulation Logic
The serving also contains 500 mg of calcium. No supporting cofactor is recorded.

Value52

The whole-product cost per serving is low for the stated magnesium forms.
Price Per Elemental Quality
The whole-product cost per serving is low for the stated magnesium forms.
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. 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.
    Manoj P; Derwin R; George S · International journal of older people nursing · 2023
    Meta-analysis12,620 participants7 studies pooledBone Health forCalcium
  2. Calcium supplementation prevents seasonal bone loss and changes in biochemical markers of bone turnover in elderly New England women: a randomized placebo-controlled trial.
    Storm D; Eslin R; Porter ES; Musgrave K; Vereault D; Patton C; Kessenich C; Mohan S; Chen T; Holick MF; Rosen CJ · The Journal of clinical endocrinology and metabolism · 1998
    Randomized trial60 participantsBone Health forCalcium
  3. The effects of calcium supplementation (milk powder or tablets) and exercise on bone density in postmenopausal women.
    Prince R; Devine A; Dick I; Criddle A; Kerr D; Kent N; Price R; Randell A · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 1995
    Randomized trial168 participantsBone Health forCalcium
  4. The efficacy of calcium supplementation alone in elderly Thai women over a 2-year period: a randomized controlled trial.
    Rajatanavin R; Chailurkit L; Saetung S; Thakkinstian A; Nimitphong H · Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2014
    Randomized trial404 participantsBone Health forCalcium
  5. Calcium-enriched foods and bone mass growth in prepubertal girls: a randomized, double-blind, placebo-controlled trial.
    Bonjour JP; Carrie AL; Ferrari S; Clavien H; Slosman D; Theintz G; Rizzoli R · The Journal of clinical investigation · 1997
    Randomized trial149 participantsBone Health forCalcium
  6. Association between Serum Magnesium and Fractures: A Systematic Review and Meta-Analysis of Observational Studies.
    Dominguez LJ; Veronese N; Ciriminna S; Pérez-Albela JL; Vásquez-López VF; Rodas-Regalado S; Di Bella G; Parisi A; Tagliaferri F; Barbagallo M · Nutrients · 2023
    Meta-analysis119,755 participants4 studies pooledBone Health forMagnesium
  7. Bioabsorbable Magnesium-Based Materials Potential and Safety in Bone Surgery: A Systematic Review.
    Hung CH; Kwok YC; Yip J; Wong HH; Leung YY · Craniomaxillofacial trauma & reconstruction · 2025
    Systematic review386 participants8 studies pooledBone Health forMagnesium
  8. Vascularized bone grafting fixed by biodegradable magnesium screw for treating osteonecrosis of the femoral head.
    Zhao D; Huang S; Lu F; Wang B; Yang L; Qin L; Yang K; Li Y; Li W; Wang W; Tian S; Zhang X; Gao W; Wang Z; Zhang Y; Xie X; Wang J; Li J · Biomaterials · 2016
    Randomized trial48 participantsBone Health forMagnesium
  9. An update on magnesium and bone health.
    Rondanelli M; Faliva MA; Tartara A; Gasparri C; Perna S; Infantino V; Riva A; Petrangolini G; Peroni G · Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2022
    Narrative reviewBone Health forMagnesium
  10. Sex-specific differences in the association of magnesium intake with femoral neck bone mineral density among older adults.
    Wang B; Tan X; Yao X; Zhu Z · Endocrine connections · 2025
    Cross-sectional study1,343 participantsBone Health forMagnesium
  11. Circulating and dietary magnesium and risk of cardiovascular disease: a systematic review and meta-analysis of prospective studies.
    Del Gobbo LC; Imamura F; Wu JH; de Oliveira Otto MC; Chiuve SE; Mozaffarian D · The American journal of clinical nutrition · 2013
    Meta-analysis313,041 participants16 studies pooledCardiovascular Support forMagnesium
  12. Magnesium and the risk of cardiovascular events: a meta-analysis of prospective cohort studies.
    Qu X; Jin F; Hao Y; Li H; Tang T; Wang H; Yan W; Dai K · PloS one · 2013
    Meta-analysis532,979 participants19 studies pooledCardiovascular Support forMagnesium
  13. Quantitative Association Between Serum/Dietary Magnesium and Cardiovascular Disease/Coronary Heart Disease Risk: A Dose-Response Meta-analysis of Prospective Cohort Studies.
    Zhao L; Hu M; Yang L; Xu H; Song W; Qian Y; Zhao M · Journal of cardiovascular pharmacology · 2020
    Meta-analysis544,581 participants18 studies pooledCardiovascular Support Heart Health forMagnesium
  14. Comparative Efficacy of Nutraceuticals on Endothelial Function: A Systematic Review and Network Meta-Analysis.
    Norouzzadeh M; Rashedi MH; Mahdavi-Mazdeh G; Kosari A; Shahinfar H · Current atherosclerosis reports · 2026
    Meta-analysisCardiovascular Support Heart Health forMagnesium
  15. Serum magnesium, mortality, and cardiovascular disease in chronic kidney disease and end-stage renal disease patients: a systematic review and meta-analysis.
    Xiong J; He T; Wang M; Nie L; Zhang Y; Wang Y; Huang Y; Feng B; Zhang J; Zhao J · Journal of nephrology · 2020
    Meta-analysis200,934 participants20 studies pooledCardiovascular Support forMagnesium
  16. Magnesium-L-threonate improves sleep quality and daytime functioning in adults with self-reported sleep problems: A randomized controlled trial.
    Hausenblas HA; Lynch T; Hooper S; Shrestha A; Rosendale D; Gu J · Sleep medicine: X · 2025
    Randomized trial80 participantsEnergy forMagnesium
  17. Total magnesium intake and risk of frailty in older women.
    Struijk EA; Fung TT; Bischoff-Ferrari HA; Willett WC; Lopez-Garcia E · Journal of cachexia, sarcopenia and muscle · 2024
    Cohort study81,524 participantsEnergy forMagnesium
  18. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  19. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  20. Perioperative systemic magnesium to minimize postoperative pain: a meta-analysis of randomized controlled trials.
    De Oliveira GS; Castro-Alves LJ; Khan JH; McCarthy RJ · Anesthesiology · 2013
    Meta-analysis1,257 participants20 studies pooledEveryday Health forMagnesium