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Magnesium Chloride

Alta Health Products
4.5
★ ★ ★ ★ ★
(2422 ratings)
Magnesium 1560 mg
Product Image
Score85
A clearly labeled moderate-dose magnesium chloride tablet with excellent serving practicality. It is a strong basic option if digestive tolerance is good.
How scoring works
Quantity:100 Tablet(s) • (100 servings)
Goals:
Energy
General Health
Cardiovascular Support
Stress Relief
Fitness
Heart Health

Score 85

A clearly labeled moderate-dose magnesium chloride tablet with excellent serving practicality. It is a strong basic option if digestive tolerance is good.
How scoring works
$14.17($0.14 per serving)
Walmart
$ 20.03
Vitacost
$ 17.06
iHerb
$ 17.06
Pure Formulas
$ 14.17
Amazon
$ 18.00
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Analysis

The tablet provides 186.51 mg elemental magnesium from 1,560 mg magnesium chloride. Clear separation of compound and elemental amounts prevents the common dosing ambiguity found on some mineral labels.

Magnesium chloride is soluble and supports normal muscle, nerve, energy, and cardiovascular functions. The moderate amount is easier to fit into routine intake than many 400 mg products.

A one-tablet serving and long supply make the formula practical for daily use. It remains a focused mineral product rather than a complete sleep, stress, bone, or testosterone formula.

Who is it for
  • Adults seeking moderate-dose magnesium
  • Users preferring one tablet
  • People wanting clearly separated elemental and compound amounts
Best for
  • Routine magnesium intake
  • Muscle and nerve support
  • Users avoiding very high doses

Pros

  • Elemental amount is explicit
  • One tablet per serving
  • Long serving supply
  • Simple formula

Cons

  • No supporting cofactors
  • Narrow single-mineral coverage
  • Chloride may affect digestion
  • Moderate rather than high potency

Warnings

  • Magnesium chloride may cause nausea, loose stools, or abdominal discomfort in sensitive users.
  • People with impaired kidney function should review magnesium use with a clinician.
  • The tablet should be counted alongside other magnesium products to avoid excessive combined intake.

Nutrient quality

84 Highest impact

Chloride provides reasonable absorption with a clearly stated elemental yield. The moderate amount is better suited to maintenance than intensive replenishment.

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Ingredient transparency

89 Highest impact

Compound weight and elemental magnesium are clearly separated. Complete use directions and inactive tablet ingredients are not included in the supplied data.

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Customer satisfaction

69 High impact

The supplied average rating is favorable and backed by a large review pool. No review text is available to assess repeated complaints or purpose-specific experiences.

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Value for money

93 Highest impact

Reasonable absorption and transparent elemental yield support strong value. The very low serving cost offsets the moderate amount.

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Report analysis

Goals

Energy
Impact
Highest effect
A- Goal FitB Strength of SupportC- CoverageA+ Formula Quality
Magnesium · 186.51 mg

Magnesium chloride provides a soluble form for ATP-dependent metabolism, muscles, and nerves. The label clearly distinguishes total compound weight from elemental magnesium.

The elemental amount is better suited to maintenance than a full targeted magnesium serving. The streamlined tablet supports one foundational pathway without stimulant effects.

Study evidence
Magnesium Supportive 4 studies
General Health
Impact
High effect
A- Goal FitB+ Strength of SupportD CoverageA+ Formula Quality
Magnesium · 186.51 mg

Magnesium chloride supplies a clearly stated elemental amount of an essential mineral for muscle, nerve, and energy functions. Disclosure of both compound and elemental weights makes the dose unusually easy to assess.

The amount is useful but does not reach the higher supplemental range often used to correct a substantial intake gap. Magnesium chloride can cause loose stools or abdominal discomfort, particularly when taken without food.

Study evidence
Magnesium Supportive 114 studies
Cardiovascular Support
Impact
High effect
B Goal FitA- Strength of SupportD+ CoverageA Formula Quality
Magnesium · 186.51 mg

Elemental magnesium supports vascular relaxation and normal heart rhythm, making the product relevant as focused mineral support. It does not address lipid, endothelial, homocysteine, or cardiac-energy pathways.

The chloride compound weight and elemental magnesium amount are both disclosed, which makes the dose easy to assess. The elemental amount is useful but lower than many high-dose magnesium products.

Study evidence
Magnesium Supportive 123 studies
Stress Relief
Impact
High effect
C Goal FitB Strength of SupportD CoverageA Formula Quality
Magnesium · 186.51 mg

Magnesium chloride provides foundational nervous-system support that may help relaxation when magnesium status is low. The product covers no adaptogen or direct calming-amino-acid pathway.

The label usefully separates the magnesium chloride compound weight from its 186.51 mg elemental yield. The amount is moderate and the chloride form is clear, though less targeted to calming than a well-tolerated bisglycinate product.

Study evidence
Magnesium Supportive 13 studies
Fitness
Impact
High effect
B- Goal FitB- Strength of SupportD CoverageA- Formula Quality
Magnesium · 186.51 mg

Magnesium chloride may support muscle contraction, energy metabolism, and electrolyte status when magnesium intake is low. Direct improvements in strength or endurance are less likely when magnesium status is already adequate.

The label clearly separates magnesium chloride from its elemental magnesium yield, and the amount fits maintenance use. The focused formula lacks other hydration or recovery actives and does not use a premium chelated form.

Study evidence
Magnesium Disputed 29 studies
Heart Health
Impact
High effect
C Goal FitB- Strength of SupportD- CoverageA Formula Quality
Magnesium · 186.51 mg

Magnesium chloride supplies a maintenance amount of elemental magnesium for normal vascular and cardiac function. The product is foundational rather than a broad lipid, blood-pressure, or cardiac-energy formula.

Compound weight and elemental magnesium are separately disclosed, which makes the active amount easy to assess. The magnesium may cause digestive upset in sensitive users.

Study evidence
Magnesium Supportive 158 studies

Ingredients

IngredientAmount per serving
Magnesium Chloride
1560 mg
elemental Magnesium
186.51 mg
Gluten Free Adults 18–50 Sugar Free
Report overview
Magnesium · 1560 mg OverallScore67
D Active Ingredient Quality & BioavailabilityB Dose, Safety & Label TransparencyB+ Value
+1

Magnesium chloride is a soluble form with reasonable absorption, and the label separates compound weight from elemental magnesium. The 186.51 mg amount serves as a maintenance dose rather than a full therapeutic serving. Its low serving cost supports good value despite the absence of patented processing or a supportive cofactor.

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Sources

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

  1. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  2. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  3. 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
  4. Magnesium Levels in Drinking Water and Coronary Heart Disease Mortality Risk: A Meta-Analysis.
    Jiang L; He P; Chen J; Liu Y; Liu D; Qin G; Tan N · Nutrients · 2016
    Meta-analysis77,821 participants10 studies pooledHeart Health forMagnesium
  5. Effects of Magnesium Citrate, Magnesium Oxide, and Magnesium Sulfate Supplementation on Arterial Stiffness: A Randomized, Double-Blind, Placebo-Controlled Intervention Trial.
    Schutten JC; Joris PJ; Groendijk I; Eelderink C; Groothof D; van der Veen Y; Westerhuis R; Goorman F; Danel RM; de Borst MH; Bakker SJL · Journal of the American Heart Association · 2022
    Randomized trial164 participantsHeart Health forMagnesium
  6. Low serum magnesium and cardiovascular mortality in chronic heart failure: a propensity-matched study.
    Adamopoulos C; Pitt B; Sui X; Love TE; Zannad F; Ahmed A · International journal of cardiology · 2009
    Cohort study1,569 participantsHeart Health forMagnesium
  7. 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
  8. Effects of long-term magnesium supplementation on endothelial function and cardiometabolic risk markers: A randomized controlled trial in overweight/obese adults.
    Joris PJ; Plat J; Bakker SJ; Mensink RP · Scientific reports · 2018
    Randomized trial52 participantsCardiovascular Support forMagnesium
  9. Serum magnesium and outcomes in heart failure with reduced ejection fraction: the GALACTIC-HF trial.
    Chimura M; Docherty KF; Jhund PS; Yang M; Ono R; Henderson AD; Metra M; Liu G; Divanji PH; Heitner SB; Kupfer S; Malik FI; Felker GM; Solomon SD; Teerlink JR; McMurray JJV · European heart journal · 2026
    Randomized trial6,147 participantsCardiovascular Support forMagnesium
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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 Fitness forMagnesium
  25. Dietary Magnesium May Be Protective for Aging of Bone and Skeletal Muscle in Middle and Younger Older Age Men and Women: Cross-Sectional Findings from the UK Biobank Cohort.
    Welch AA; Skinner J; Hickson M · Nutrients · 2018
    Cross-sectional study156,575 participantsFitness forMagnesium
  26. Dietary Magnesium Is Positively Associated With Skeletal Muscle Power and Indices of Muscle Mass and May Attenuate the Association Between Circulating C-Reactive Protein and Muscle Mass in Women.
    Welch AA; Kelaiditi E; Jennings A; Steves CJ; Spector TD; MacGregor A · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2016
    Cross-sectional study2,570 participantsFitness forMagnesium
  27. Nutritional intake as a determinant of high-speed resistance and multicomponent training efficacy on strength in older women at risk of sarcopenia. A randomized clinical trial.
    Polo-Ferrero L; Recio-Rodriguez JI; González-Manzano S; Martín-Vallejo J; Barbero-Iglesias FJ; Montero-Errasquín B; Cruz-Jentoft AJ; Méndez-Sánchez R · Clinical nutrition (Edinburgh, Scotland) · 2025
    Randomized trial80 participantsFitness forMagnesium
  28. Minerals and Sarcopenia in Older Adults: An Updated Systematic Review.
    van Dronkelaar C; Fultinga M; Hummel M; Kruizenga H; Weijs PJM; Tieland M · Journal of the American Medical Directors Association · 2023
    Systematic review45 studies pooledFitness forMagnesium
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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
  46. 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