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High Absorption Magnesium 100 mg

4.8
★ ★ ★ ★ ★
(210643 ratings)
Magnesium 200 mg
Product Image
Score74
A practical amount and serving are useful, but missing form identity prevents confirmation of absorption quality.
How scoring works
Tablet
Quantity:120 Tablet(s) • (60 servings)
Goals:
General Health
Energy
Stress Relief
Heart Health
Bone Health
Cardiovascular Support

Score 74

A practical amount and serving are useful, but missing form identity prevents confirmation of absorption quality.
How scoring works
$12.99($0.21 per serving)
iHerb
$ 13.99
Vitacost
$ 12.99
Walmart
$ 12.99
Vitacost
$ 12.99
Report prices

Analysis

The two-tablet serving supplies a useful maintenance amount for general, energy, stress, and heart pathways. The quantity suits routine supplementation without being an extreme dose.

The ingredient form is marked unspecified in the supplied data. Without a named chelate or salt, absorption quality and digestive behavior cannot be judged confidently.

Serving value is reasonable, and the tablet routine is manageable. Users choosing it specifically for absorption should verify the current physical label before purchase.

Who is it for
  • Adults seeking a moderate magnesium amount
  • People willing to verify the current label
Best for
  • General magnesium maintenance
  • Basic energy and stress support

Pros

  • Practical total amount
  • Manageable two-tablet serving
  • Broad general-health fit

Cons

  • Magnesium form is unspecified
  • Absorption cannot be assessed
  • Label transparency is weak

Warnings

  • Digestive tolerance cannot be predicted without knowing the magnesium form

Nutrient quality

76 High impact

A useful elemental amount gives the focused formula practical depth. Missing chemical-form disclosure prevents confidence in absorption quality.

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Ingredient transparency

67 High impact

The elemental amount is clear, but the magnesium form needed to judge absorption is absent. No hidden blend is shown, while directions and non-active ingredients were not supplied.

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Customer satisfaction

73 High impact

The available satisfaction metric and sample size provide the clearest evidence for general acceptance. Specific experience details are absent, so repeated complaints and purpose fit remain uncertain.

.

Value for money

83 Highest impact

A practical cost and useful amount support fair value. Missing form disclosure makes comparison with verified chelates difficult.

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Report analysis

Goals

General Health
Stress Resilience
General Health
Impact
High effect
A Goal FitB- Strength of SupportC CoverageA- Formula Quality
Magnesium · 200 mg

Magnesium offers clear foundational support for energy metabolism, nerves, and muscle function. The stated elemental amount is useful for daily supplementation.

The supplied data does not identify the magnesium compound despite the high-absorption positioning. That missing form detail limits confidence in absorption quality while leaving the formula otherwise focused.

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

Magnesium is a required cofactor for ATP production and may help fatigue when intake is inadequate. The single-mineral design does not create broad energy support.

The 200 mg serving reaches the stated threshold and clearly reports elemental magnesium. The supplied data omit its chemical form, so the high-absorption claim cannot be verified.

Study evidence
Magnesium Supportive 4 studies
Stress Relief
Stress Relief
Impact
High effect
B Goal FitB- Strength of SupportD+ CoverageA- Formula Quality
Magnesium · 200 mg

A useful elemental magnesium amount may support nervous-system regulation and relaxation when intake is low. The simple tablet keeps the purpose focused.

The supplied label does not identify the magnesium form, so the high-absorption positioning cannot be verified. It provides one foundational pathway rather than broader or fast-acting stress support.

Study evidence
Magnesium Supportive 13 studies
Heart Health
Healthy Blood Pressure
Heart Health
Impact
High effect
B Goal FitC Strength of SupportC- CoverageA- Formula Quality
Magnesium · 200 mg

The clearly stated 200 mg magnesium amount may support normal vascular tone and heart rhythm. The supplied label does not identify the magnesium form, so absorption quality cannot be judged.

Cardiovascular coverage is limited to a foundational mineral rather than a broad formula. The clean single-ingredient design is sensible, but the missing form disclosure is a meaningful limitation.

Study evidence
Magnesium Supportive 158 studies
Bone Health
Bone Health
Impact
High effect
B- Goal FitC+ Strength of SupportD+ CoverageA- Formula Quality
Magnesium · 200 mg

Magnesium provides structural and metabolic support for bone. The formula remains narrow and lacks calcium, vitamin D, vitamin K, or matrix support.

The elemental amount is useful and clearly stated. The missing magnesium form prevents any confident judgment about absorption or premium chelation.

Study evidence
Magnesium Supportive 48 studies
Cardiovascular Support
Cardiovascular Support
Impact
High effect
B Goal FitC- Strength of SupportF CoverageA- Formula Quality
Magnesium · 200 mg

A meaningful elemental magnesium amount gives the product a clear connection to vascular tone and normal rhythm. The simple formula is suitable for focused mineral supplementation.

Failure to name the magnesium form is a major limitation because absorption varies widely between compounds. The formula provides no additional support for lipid, endothelial, or cardiac-energy pathways.

Study evidence
Magnesium Supportive 123 studies

Ingredients

IngredientAmount per serving
Magnesium
200 mg
Gluten Free Adults 18–50 Vegan Vegetarian
Report overview
Magnesium · 200 mg OverallScore48
F Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyC Value

A therapeutic elemental magnesium amount is clearly stated, but the chemical form is absent from the supplied label data. The tablet therefore cannot be credited for premium chelation despite its high-absorption positioning. Low cost provides fair value with substantial form uncertainty.

View ingredientView products
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<p>Magnesium lysinate and malate provide favorable forms at a useful amount, with a modest potassium contribution. Its lower supplied serving cost makes it a more economical magnesium option than the original.</p>
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<p>A well-aligned amount of magnesium citrate delivers useful absorption in a focused powder. Its lower supplied serving cost makes it a more economical magnesium option than the original.</p>
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<p>Magnesium glycinate is a well-absorbed form that is often gentle on digestion. Its stated magnesium form, practical dose, and lower serving cost offer a stronger balance of quality and value than the original.</p>
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Magnesium Citrate 200 mg

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<p>A substantial amount of magnesium citrate combines useful absorption with a focused single-active design. Its stated magnesium form, practical dose, and lower serving cost offer a stronger balance of quality and value than the original.</p>
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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. 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
  4. Diagnosis of magnesium-induced diarrhea.
    Fine KD; Santa Ana CA; Fordtran JS · The New England journal of medicine · 1991
    Clinical trial19 participantsDigestive Health forMagnesium
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  22. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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