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Magnesium Citrate

4.8
★ ★ ★ ★ ★
(2281 ratings)
Magnesium 400 mg
Product Image
Score81
A strong, straightforward citrate product with clear dosing and good form quality, though the full serving may loosen stools.
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Tablet
Quantity:120 Tablet(s) • (60 servings)
Goals:
Digestive Health
General Health
Stress Relief
Heart Health
Energy
Cardiovascular Support
Sleep Support
Testosterone Support
Bone Health

Score 81

A strong, straightforward citrate product with clear dosing and good form quality, though the full serving may loosen stools.
How scoring works

Also available as

1 option
60 servings Magnesium 400 mg • 60 Tablet(s) • 30 servings $11.16 ($0.37 per serving)
$20.76($0.34 per serving)
iHerb
$ 20.76
Vitacost
$ 20.76
Pure Formulas
$ 20.76
Daily Vita
$ 20.76
Walmart
$ 23.32
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Analysis

The formula provides magnesium citrate without mixing it with lower-quality oxide. Its substantial elemental amount suits users looking for more than a light maintenance dose.

The ingredient is easy to assess, but full excipients and daily directions are absent from the supplied data. Two tablets per serving are also less streamlined than a one-capsule option.

Value is reasonable for a citrate product with clear dosing. Sensitive users may need to account for citrate's stool-loosening effect at the full amount.

Who is it for
  • Adults seeking pure magnesium citrate
  • Users who can tolerate a substantial amount
Best for
  • General magnesium support
  • Users avoiding oxide
  • Clear single-form dosing

Pros

  • Pure magnesium citrate
  • Favorable absorption
  • Substantial amount
  • Good ingredient transparency

Cons

  • Two tablets per serving
  • Full excipients are not supplied
  • Daily directions are missing

Warnings

  • A substantial citrate dose may cause diarrhea or abdominal cramping.

Nutrient quality

84 Highest impact

Magnesium citrate provides a useful form at a substantial amount in a focused formula. Digestive tolerance may vary at the full serving, but no other dose concern is evident.

Ingredient transparency

80 Highest impact

The active form and amount are clear without a hidden blend. Complete directions and tablet excipients are not supplied.

Customer satisfaction

72 High impact

The exceptional average rating and large 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

86 Highest impact

A useful citrate form and reasonable serving cost provide good value. The focused formula compares well with straightforward magnesium citrate products.

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Goals

Digestive Health
Digestive Health
Impact
Highest effect
A Goal FitA Strength of SupportC- CoverageA+ Formula Quality
Magnesium · 400 mg

Magnesium citrate directly supports bowel motility and can soften stool by drawing water into the intestine. The elemental amount is strong enough to have a practical effect for occasional constipation.

The citrate form and exact amount are clearly disclosed in a simple formula. A full serving may cause diarrhea or abdominal cramping, so individual tolerance matters.

Study evidence
Magnesium Supportive 50 studies
General Health
General Health
Impact
Highest effect
A Goal FitA Strength of SupportC- CoverageA+ Formula Quality
Magnesium · 400 mg

Magnesium is a foundational mineral for muscle, nerve, and energy function, making the citrate formula well aligned with daily wellness. The disclosed amount is substantial and the citrate form offers practical absorption.

Coverage is intentionally narrow because no other nutrient pathway is included. The high supplemental magnesium amount may cause loose stools or cramping, particularly in people sensitive to magnesium citrate.

Study evidence
Magnesium Supportive 114 studies
Stress Relief
Stress Relief
Impact
Highest effect
A- Goal FitA Strength of SupportC CoverageA+ Formula Quality
Magnesium · 400 mg

A substantial magnesium amount supports nerve signaling, muscle relaxation, and stress resilience. Citrate offers moderate absorption with clear elemental disclosure.

The focused formula provides strong nutritional depth but does not add an adaptogen or direct calming neurotransmitter ingredient. Magnesium citrate may cause loose stools or abdominal cramping in sensitive users at the full amount.

Study evidence
Magnesium Supportive 13 studies
Heart Health
Heart Health
Impact
Highest effect
B+ Goal FitA Strength of SupportC+ CoverageA+ Formula Quality
Magnesium · 400 mg

The 400 mg magnesium citrate amount supports vascular tone, heart rhythm, and normal muscle function. Human cardiovascular benefits are most likely when magnesium intake or status is low rather than as a stand-alone treatment for heart disease.

The single-mineral design keeps the active profile straightforward. Magnesium citrate at this amount may cause loose stools or abdominal discomfort in sensitive users.

Study evidence
Magnesium Supportive 158 studies
Energy
Energy
Impact
Highest effect
B+ Goal FitA Strength of SupportC- CoverageA+ Formula Quality
Magnesium · 400 mg

Magnesium citrate provides a substantial amount for ATP-dependent metabolism and may help when magnesium intake is inadequate. The form and elemental amount are clearly stated.

The formula does not offer acute alertness or broader mitochondrial cofactors. A 400 mg supplemental amount may cause loose stools in sensitive users, especially when taken at once.

Study evidence
Magnesium Supportive 4 studies
Cardiovascular Support
Cardiovascular Support
Impact
Highest effect
B+ Goal FitA- Strength of SupportC- CoverageA Formula Quality
Magnesium · 400 mg

Magnesium citrate supplies a substantial amount of a mineral involved in vascular tone, blood pressure regulation, and normal heart rhythm. Human evidence is strongest when inadequate magnesium status contributes to cardiovascular risk.

The citrate form is clearly disclosed and reasonably absorbed, although it is not a premium chelate. The full serving may cause loose stools or abdominal cramping in people sensitive to magnesium citrate.

Study evidence
Magnesium Supportive 123 studies

Ingredients

IngredientAmount per serving
Magnesium (Magnesium Citrate)
 400 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Vegetarian
Report overview
Magnesium (Magnesium Citrate) · 400 mg OverallScore71
D Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB Value
+1

Magnesium citrate offers moderate absorption and a practical elemental serving. The label is clear, although no patented material or supportive cofactor is included. A below-median serving cost provides solid value for a straightforward citrate product.

View ingredientView products
Loading alternative details
85 Performance

Magnesium Bisglycinate Chelate

Healthy Origins
<p>TRAACS magnesium bisglycinate provides premium absorption quality, a useful elemental amount, and exceptional serving value in a clean powder. Compared with Magnesium Citrate, its magnesium form and supporting ingredients may be a better fit where moderate absorption and a below-average serving cost support good value, though the dose may loosen stools in sensitive users, while the product is narrow rather than comprehensive, and its relatively weak satisfaction metric deserves consideration despite the strong formula.</p>
91 Performance

Krebs Magnesium Potassium Complex

Nature's Way
<p>Magnesium lysinate and malate provide favorable forms at a useful amount, with a modest potassium contribution. Compared with Magnesium Citrate, its magnesium form and supporting ingredients may be a better fit where moderate absorption and a below-average serving cost support good value, though the dose may loosen stools in sensitive users, while the focused formula offers excellent serving value.</p>
83 Performance

Albion Chelated Magnesium Glycinate

Swanson Ultra
<p>Patented TRAACS magnesium bisglycinate supplies a substantial magnesium amount in a focused formula. Compared with Magnesium Citrate, its magnesium form and supporting ingredients may be a better fit where moderate absorption and a below-average serving cost support good value, though the dose may loosen stools in sensitive users, while value is reasonable after accounting for absorption quality.</p>
83 Budget

Magnesium Citrate Pure Powder

Best Naturals
<p>A well-aligned amount of magnesium citrate delivers useful absorption in a focused powder. Its lower recurring cost than Magnesium Citrate makes it a more economical magnesium option, while the simple formula and very low serving cost provide strong value, with digestive tolerance as the main practical uncertainty.</p>
82 Budget

Magnesium Citrate 200 mg

The Vitamin Shoppe
<p>A moderate magnesium citrate amount offers practical daily supplementation with low serving cost. Its lower recurring cost than Magnesium Citrate makes it a more economical magnesium option, while a large bottle improves convenience and value for consistent use.</p>
83 Budget

Magnesium Citrate 420 mg

Nutricost
<p>A substantial amount of magnesium citrate offers useful absorption and a focused formula. Its lower recurring cost than Magnesium Citrate makes it a more economical magnesium option, while digestive tolerance is the main limitation, while the low serving cost makes the product highly competitive.</p>
84 Value

Magnesium Bisglycinate Chelate

Healthy Origins
<p>TRAACS magnesium bisglycinate provides premium absorption quality and a useful elemental amount in a clean tablet. Compared with Magnesium Citrate, its magnesium profile and lower recurring cost create a more favorable quality-to-cost balance, while the focused formula offers strong value but remains limited to one foundational mineral pathway.</p>
88 Value

Magnesium Bisglycinate Powder

NOW
<p>Magnesium bisglycinate supplies a well-absorbed form at a practical, moderate amount. Compared with Magnesium Citrate, its magnesium profile and lower recurring cost create a more favorable quality-to-cost balance, while no meaningful dose or formulation concern is evident from the supplied facts.</p>
81 Value

Ultra-Mag

Source Naturals
<p>A broad organic magnesium blend supplies strong form diversity and a substantial amount at an economical cost. Compared with Magnesium Citrate, its magnesium profile and lower recurring cost create a more favorable quality-to-cost balance, while the label does not clarify each form share, while high supplemental magnesium and prolonged B6 use may affect tolerability.</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. Effects of magnesium and potassium supplementation on insomnia and sleep hormones in patients with diabetes mellitus.
    Khalid S; Bashir S; Mehboob R; Anwar T; Ali M; Hashim M; Waseem H; Basharat S · Frontiers in endocrinology · 2024
    Randomized trial320 participantsSleep Support forMagnesium
  31. Association of magnesium intake with sleep duration and sleep quality: findings from the CARDIA study.
    Zhang Y; Chen C; Lu L; Knutson KL; Carnethon MR; Fly AD; Luo J; Haas DM; Shikany JM; Kahe K · Sleep · 2022
    Cohort study3,964 participantsSleep Support forMagnesium
  32. Lidocaine vs. magnesium: effect on analgesia after a laparoscopic cholecystectomy.
    Saadawy IM; Kaki AM; Abd El Latif AA; Abd-Elmaksoud AM; Tolba OM · Acta anaesthesiologica Scandinavica · 2010
    Randomized trial120 participantsSleep Support forMagnesium
  33. The effect of magnesium supplementation on primary insomnia in elderly: A double-blind placebo-controlled clinical trial.
    Abbasi B; Kimiagar M; Sadeghniiat K; Shirazi MM; Hedayati M; Rashidkhani B · Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences · 2013
    Randomized trial46 participantsSleep Support forMagnesium
  34. A randomized, double-blind, placebo-controlled, multicenter study assessing the efficacy of magnesium oxide monohydrate in the treatment of nocturnal leg cramps.
    Barna O; Lohoida P; Holovchenko Y; Bazylevych A; Velychko V; Hovbakh I; Bula L; Shechter M · Nutrition journal · 2021
    Randomized trial175 participantsSleep Support forMagnesium
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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