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Cardio Mag 2.0

4.7
★ ★ ★ ★ ★
(414 ratings)
Magnesium 200 mg
Product Image
Score82
A clear and convenient magnesium orotate formula, but its high cost and large orotic acid load weaken value for routine supplementation.
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Capsule
Quantity:120 Capsule(s) • (120 servings)
Goals:
Stress Relief
Energy
General Health
Heart Health
Cardiovascular Support
Testosterone Support
Digestive Health
Bone Health

Score 82

A clear and convenient magnesium orotate formula, but its high cost and large orotic acid load weaken value for routine supplementation.
How scoring works
$39.56($0.32 per serving)
iHerb
$ 39.56
Pure Formulas
$ 39.57
Walmart
$ 42.72
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Analysis

The product supplies a moderate elemental magnesium amount as magnesium orotate. One capsule per serving and clear active disclosure make the routine easy to follow.

Most of the ingredient weight is orotic acid rather than elemental magnesium. The specialized form carries a premium cost without offering the dose depth or established practical advantage of simpler citrate or glycinate products.

The large bottle provides many servings, but each serving remains expensive. It mainly fits users specifically seeking magnesium orotate rather than general magnesium shoppers.

Who is it for
  • Adults specifically seeking magnesium orotate
  • Users wanting a moderate one-capsule amount
Best for
  • Specialty magnesium-form use
  • One-capsule maintenance
  • Users avoiding oxide

Pros

  • Clearly identified magnesium orotate
  • Moderate elemental amount
  • One capsule per serving
  • Large supply

Cons

  • High serving cost
  • Large orotic acid amount
  • Limited value advantage over simpler forms

Warnings

  • Magnesium can reduce absorption of levothyroxine, certain antibiotics, and bisphosphonates when taken too close together.

Nutrient quality

87 Highest impact

Magnesium orotate provides strong absorption potential at a useful maintenance amount. The substantial orotic-acid carrier is intrinsic to the form but narrows the formula toward users who specifically want it.

Ingredient transparency

81 Highest impact

Magnesium and its orotic-acid carrier are clearly quantified without a hidden blend. Complete directions and capsule excipients are not supplied.

Customer satisfaction

68 High impact

The strong average rating and solid review count make the aggregate satisfaction signal reasonably dependable. No detailed review text was provided, so recurring complaints and purpose alignment cannot be assessed.

Value for money

91 Highest impact

A premium form and practical dose provide strong value at a modest serving cost. Focused composition makes the product competitive for users seeking magnesium orotate.

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Goals

Stress Relief
Impact
Highest effect
A- Goal FitA Strength of SupportC CoverageA+ Formula Quality
Magnesium · 200 mg

A meaningful amount of well-absorbed magnesium supports nerve signaling, muscle relaxation, and stress resilience. The product is focused on a foundational mineral pathway rather than sedative or adaptogenic mechanisms.

Bisglycinate, glycinate, malate, or orotate provides favorable form quality with clear dosing. The simple formula avoids unrelated botanicals and stimulant conflicts.

Study evidence
Magnesium Supportive 13 studies
Energy
Impact
Highest effect
A- Goal FitA Strength of SupportC CoverageA+ Formula Quality
Magnesium · 200 mg

Magnesium orotate supplies a foundational ATP cofactor in a focused formula. The energy role is nutritional and most likely to matter when magnesium status is inadequate rather than as an immediate boost.

The elemental amount reaches the lower edge of the preferred range and the orotate form has useful absorption potential. Orotic acid is explicitly quantified, keeping the simple two-component design transparent and easy to assess.

Study evidence
Magnesium Supportive 4 studies
Impact
Highest effect
A- Goal FitA- Strength of SupportC+ CoverageA+ Formula Quality
Magnesium · 200 mg

Magnesium orotate supplies a foundational mineral in a well-absorbed organic form. The clearly stated 200 mg amount reaches a useful supplemental level.

The narrow formula does not cover other daily nutritional needs, yet it provides strong depth for magnesium support. Orotic acid is inherent to the chosen magnesium form rather than unrelated padding.

Study evidence
Magnesium Supportive 114 studies
Impact
High effect
B+ Goal FitA- Strength of SupportD+ CoverageA Formula Quality
Magnesium · 200 mg

Magnesium orotate provides a well-absorbed form with a clearly stated elemental amount. The 200 mg serving offers focused support for vascular tone and normal rhythm.

Coverage is intentionally narrow, with no lipid, homocysteine, or antioxidant pathway support. The lean formula avoids distractions and gives strong depth within its single mineral pathway.

Study evidence
Magnesium Supportive 158 studies
Cardiovascular Support
Impact
High effect
B Goal FitB+ Strength of SupportC- CoverageA Formula Quality
Magnesium · 200 mg

Magnesium orotate provides focused support for cardiac energy, rhythm, and vascular tone. The formula is narrow but directly designed around a cardiovascular magnesium form.

The 200 mg elemental amount is useful and clearly disclosed. Orotate has plausible cardiac relevance, although evidence for superiority over other absorbable magnesium forms remains limited.

Study evidence
Magnesium Supportive 123 studies
Testosterone Support
Impact
High effect
C- Goal FitA- Strength of SupportD- CoverageA Formula Quality
Magnesium · 200 mg

Magnesium orotate provides an absorbable foundational mineral that may support endocrine function when intake is low. The formula has no direct testosterone active beyond this conditional nutritional role.

A useful elemental amount and focused design give the magnesium pathway solid depth. Narrow coverage and limited direct testosterone evidence keep it from serving as a comprehensive hormonal formula.

Study evidence
Magnesium Disputed 5 studies

Ingredients

IngredientAmount per serving
Magnesium (Magnesium Orotate)
200 mg
Orotic Acid (Magnesium Orotate)
2880 mg
Gluten Free Adults 18–50 Vegan Dairy Free Vegetarian
Report overview
B- Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyA+ Value

Magnesium orotate offers high absorption potential at a clearly stated 200 mg amount. The focused formula lacks the named patented materials and does not add a separate specified cofactor. Low serving cost paired with a premium form gives it strong value.

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Sources

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

  1. Long-term outcome after intravenous magnesium sulphate in suspected acute myocardial infarction: the second Leicester Intravenous Magnesium Intervention Trial (LIMIT-2).
    Woods KL; Fletcher S · Lancet (London, England) · 1994
    Randomized trial2,316 participantsGeneral Health forMagnesium
  2. Hospital-Acquired Dysmagnesemia and In-Hospital Mortality.
    Cheungpasitporn W; Thongprayoon C; Chewcharat A; Petnak T; Mao MA; Davis PW; Bathini T; Vallabhajosyula S; Qureshi F; Erickson SB · Medical sciences (Basel, Switzerland) · 2024
    Cohort study26,020 participantsGeneral Health forMagnesium
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. Efficacy of oral magnesium therapy in the treatment of chronic constipation in spastic cerebral palsy children: a randomized controlled trial.
    Hassanein SMA; Deifallah SM; Bastawy HA · World journal of pediatrics : WJP · 2021
    Randomized trial100 participantsDigestive Health forMagnesium
  14. Ca:Mg ratio, medium-chain fatty acids, and the gut microbiome.
    Fan L; Zhu X; Sun S; Yu C; Huang X; Ness R; Dugan LL; Shu L; Seidner DL; Murff HJ; Fodor AA; Azcarate-Peril MA; Shrubsole MJ; Dai Q · Clinical nutrition (Edinburgh, Scotland) · 2022
    Randomized trial240 participantsDigestive Health forMagnesium
  15. The Magnesium-Rich Formula for Functional Constipation in Infants: a Randomized Comparator-Controlled Study.
    Benninga MA; MENA Infant Constipation Study Group; Vandenplas Y · Pediatric gastroenterology, hepatology & nutrition · 2022
    Randomized trial286 participantsDigestive Health forMagnesium
  16. A Randomized Double-blind Placebo-controlled Trial on the Effect of Magnesium Oxide in Patients With Chronic Constipation.
    Mori S; Tomita T; Fujimura K; Asano H; Ogawa T; Yamasaki T; Kondo T; Kono T; Tozawa K; Oshima T; Fukui H; Kimura T; Watari J; Miwa H · Journal of neurogastroenterology and motility · 2022
    Randomized trial34 participantsDigestive Health forMagnesium
  17. Magnesium treatment increases gut microbiome synthesizing vitamin D and inhibiting colorectal cancer: results from a double-blind precision-based randomized placebo-controlled trial.
    Sun E; Zhu X; Ness RM; Murff HJ; Sun S; Yu C; Fan L; Azcarate-Peril MA; Shrubsole MJ; Dai Q · The American journal of clinical nutrition · 2025
    Randomized trial240 participantsDigestive Health forMagnesium
  18. 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
  19. 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
  20. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  21. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  22. 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 pooledGeneral Health forMagnesium
  23. Association of magnesium sulfate use with mortality in critically ill patients with sepsis: a retrospective propensity score-matched cohort study.
    Gu WJ; Duan XJ; Liu XZ; Cen Y; Tao LY; Lyu J; Yin HY · British journal of anaesthesia · 2023
    Cohort study10,999 participantsGeneral Health forMagnesium
  24. Hypomagnesemia and Mortality in Incident Hemodialysis Patients.
    Li L; Streja E; Rhee CM; Mehrotra R; Soohoo M; Brunelli SM; Kovesdy CP; Kalantar-Zadeh K · American journal of kidney diseases : the official journal of the National Kidney Foundation · 2016
    Cohort study9,359 participantsGeneral Health forMagnesium
  25. The effects of magnesium supplementation on abnormal uterine bleeding, alopecia, quality of life, and acne in women with polycystic ovary syndrome: a randomized clinical trial.
    Jaripur M; Ghasemi-Tehrani H; Askari G; Gholizadeh-Moghaddam M; Clark CCT; Rouhani MH · Reproductive biology and endocrinology : RB&E · 2022
    Randomized trial64 participantsGeneral Health forMagnesium
  26. Effects of magnesium supplementation on improving hyperglycemia, hypercholesterolemia, and hypertension in type 2 diabetes: A pooled analysis of 24 randomized controlled trials.
    Xu L; Li X; Wang X; Xu M · Frontiers in nutrition · 2023
    Meta-analysis1,325 participants24 studies pooledHeart Health forMagnesium
  27. The effect of lowering blood pressure by magnesium supplementation in diabetic hypertensive adults with low serum magnesium levels: a randomized, double-blind, placebo-controlled clinical trial.
    Guerrero-Romero F; Rodríguez-Morán M · Journal of human hypertension · 2009
    Randomized trial82 participantsHeart Health forMagnesium
  28. Positive effects of magnesium supplementation in metabolic syndrome.
    Kisters S; Kisters K; Werner T; Vormann J; Tokmak F; Westhoff T; Gröber U; Predel HG; Reuter H · International journal of clinical pharmacology and therapeutics · 2024
    Randomized trial54 participantsHeart Health forMagnesium
  29. Role of magnesium supplementation in the treatment of depression: A randomized clinical trial.
    Tarleton EK; Littenberg B; MacLean CD; Kennedy AG; Daley C · PloS one · 2017
    Randomized trial126 participantsStress Relief forMagnesium
  30. Effects of Intravenous Esketamine or Magnesium Sulfate on Early Postoperative Negative Emotions and Pain in Patients Undergoing Endoscopic Sinus Surgery: A Randomized Controlled Trial.
    Wang L; Zhou J; Liu Q; Qian K; Wang L; Xie C · Therapeutics and clinical risk management · 2026
    Randomized trial137 participantsStress Relief forMagnesium
  31. Effect of short-term magnesium supplementation on anxiety, depression and sleep quality in patients after open-heart surgery.
    Saba S; Faizi F; Sepandi M; Nehrir B · Magnesium research · 2022
    Non-randomized trial60 participantsStress Relief forMagnesium
  32. Effects of dry needling compared to magnesium infiltration in trigger points for patients with myofascial pain syndrome: a randomized controlled study in Tunisia.
    Dhouibi J; Moncer R; Kalbousi N; Gaddour M; Laayouni S; Ouanes W; Kacem B; Jemni S · Korean journal of family medicine · 2026
    Randomized trial45 participantsStress Relief forMagnesium
  33. Effect of magnesium and vitamin B6 supplementation on mental health and quality of life in stressed healthy adults: Post-hoc analysis of a randomised controlled trial.
    Noah L; Dye L; Bois De Fer B; Mazur A; Pickering G; Pouteau E · Stress and health : journal of the International Society for the Investigation of Stress · 2021
    Randomized trialStress Relief forMagnesium
  34. Magnesium and anabolic hormones in older men.
    Maggio M; Ceda GP; Lauretani F; Cattabiani C; Avantaggiato E; Morganti S; Ablondi F; Bandinelli S; Dominguez LJ; Barbagallo M; Paolisso G; Semba RD; Ferrucci L · International journal of andrology · 2012
    Cohort study399 participantsTestosterone Support forMagnesium
  35. Analysis of the relationship between the blood concentration of several metals, macro- and micronutrients and endocrine disorders associated with male aging.
    Rotter I; Kosik-Bogacka DI; Dołęgowska B; Safranow K; Kuczyńska M; Laszczyńska M · Environmental geochemistry and health · 2017
    Cross-sectional study313 participantsTestosterone Support forMagnesium
  36. Effect of magnesium supplementation in improving hyperandrogenism, hirsutism, and sleep quality in women with polycystic ovary syndrome: A randomized, placebo-controlled clinical trial.
    Gholizadeh-Moghaddam M; Ghasemi-Tehrani H; Askari G; Jaripur M; Clark CCT; Rouhani MH · Health science reports · 2024
    Randomized trial64 participantsTestosterone Support forMagnesium
  37. The effects of trace element supplementation on glycolipid metabolism in PCOS: a systematic review and meta-analysis.
    Yang L; Gao Y; Zhao W; Qi Y; Duo X; Wang H · Frontiers in nutrition · 2025
    Meta-analysis1,600 participants25 studies pooledTestosterone Support forMagnesium
  38. Effects of magnesium supplementation on testosterone levels of athletes and sedentary subjects at rest and after exhaustion.
    Cinar V; Polat Y; Baltaci AK; Mogulkoc R · Biological trace element research · 2011
    Non-randomized trial20 participantsTestosterone Support forMagnesium