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Potassium with Extend-Release Magnesium

4.8
★ ★ ★ ★ ★
(6297 ratings)
Magnesium 250 mg
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Score80
A convenient magnesium-plus-potassium capsule with useful electrolyte logic, mixed absorption quality, and only a modest potassium amount.
How scoring works
Capsule
Quantity:60 Capsule(s) • (60 servings)
Goals:
General Health
Energy
Heart Health
Bone Health
Cardiovascular Support
Stress Relief
Digestive Health

Score 80

A convenient magnesium-plus-potassium capsule with useful electrolyte logic, mixed absorption quality, and only a modest potassium amount.
How scoring works
$10.00($0.16 per serving)
Vitacost
$ 11.25
iHerb
$ 11.25
Pure Formulas
$ 11.25
Walmart
$ 10.00
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Analysis

Magnesium supports normal muscle, nerve, and cardiac electrical functions, while potassium contributes to the same electrolyte systems. The potassium amount is small relative to usual dietary intake, so magnesium remains the main active contribution.

Citrate improves the magnesium blend, but an unknown proportion comes from extended-release oxide. The release design may help timing or tolerance, yet it does not establish how much magnesium is likely to be absorbed.

One capsule and a low serving cost make daily use convenient. The added potassium distinguishes it from plain magnesium, though users taking medicines that raise potassium need more caution.

Who is it for
  • Adults wanting magnesium with a small potassium addition
  • People seeking a simple electrolyte-support capsule
Best for
  • General mineral support
  • Heart and muscle-focused routines
  • Low-cost daily use

Pros

  • Combines magnesium and potassium
  • Includes magnesium citrate
  • Useful magnesium amount
  • Convenient extended-release capsule

Cons

  • Includes lower-absorption oxide
  • Magnesium form proportions are not disclosed
  • Potassium amount is modest
  • Not a complete electrolyte formula

Warnings

  • Potassium can accumulate with kidney impairment or potassium-sparing diuretics, ACE inhibitors, and ARBs.
  • The citrate-and-oxide blend may cause loose stools or cramping.
  • Magnesium can interfere with absorption of some antibiotics and thyroid medicine; follow prescribed spacing.

Nutrient quality

83 Highest impact

Citrate improves the form mix and the supplemental amount is practical. Unknown form proportions and reliance on extended-release oxide limit absorption confidence.

Ingredient transparency

76 High impact

The total active amounts and forms are stated. Form proportions, full directions, and non-active ingredients remain unclear.

Customer satisfaction

73 High impact

The aggregate satisfaction metric is strong and supported by a useful volume of ratings. Specific firsthand feedback is absent, so recurring complaints and purpose fit cannot be assessed.

Value for money

90 Highest impact

A practical serving, focused formula, and low serving cost support good value. Unclear form proportions keep it below fully citrate or glycinate products on quality.

Report analysis

Goals

Impact
Highest effect
A Goal FitA- Strength of SupportC CoverageA Formula Quality
Magnesium · 250 mg

Magnesium supplies meaningful support for energy metabolism and neuromuscular function. Potassium adds a related electrolyte component, though its amount is small.

The elemental magnesium amount is clearly stated and well targeted. Citrate is paired with lower-absorption oxide in an unknown ratio, leaving form quality mixed.

Study evidence
Magnesium Supportive 114 studies
Impact
Highest effect
A- Goal FitB+ Strength of SupportB- CoverageA Formula Quality
Magnesium · 250 mgPotassium · 99 mg

Magnesium supports ATP production, while potassium contributes to muscle contraction and nerve signaling. The magnesium amount reaches a meaningful daily target.

Citrate improves the form profile, but an undisclosed proportion comes from poorly absorbed oxide and potassium is modest. The streamlined electrolyte pairing is coherent despite those limitations.

Study evidence
Magnesium Supportive 4 studies
Potassium Supportive 2 studies
Impact
Highest effect
B+ Goal FitA- Strength of SupportC+ CoverageA- Formula Quality
Magnesium · 250 mg

Magnesium and potassium form a directly relevant mineral pair for rhythm, vascular tone, and electrolyte balance. The magnesium amount is meaningful, while the small potassium amount plays a supporting role.

Citrate adds some absorption value, but its share relative to oxide is not shown. The focused combination covers more than magnesium alone without becoming needlessly complex.

Study evidence
Magnesium Supportive 158 studies
Potassium Supportive 182 studies
Impact
High effect
B+ Goal FitB- Strength of SupportC CoverageB+ Formula Quality
Magnesium · 250 mg

The capsule supports magnesium status and adds a small potassium component relevant to calcium retention. A useful elemental magnesium amount is delivered through citrate and extended-release oxide.

The oxide proportion is unknown, potassium is modest, and no calcium, vitamin D, or vitamin K is included. The formula remains a focused mineral option with mixed absorption quality.

Study evidence
Magnesium Supportive 48 studies
Potassium Supportive 39 studies
Impact
High effect
B- Goal FitB- Strength of SupportC CoverageA Formula Quality
Potassium · 99 mgMagnesium · 250 mg

Magnesium provides direct support for vascular tone and normal cardiac electrical activity. Human evidence is relevant, but the product does not address lipid management, nitric oxide production, or cardiac energy.

Magnesium reaches a useful amount and potassium adds limited electrolyte support. Mixed citrate and oxide forms leave absorption uncertain, while the potassium amount is small relative to dietary needs.

Study evidence
Magnesium Supportive 123 studies
Potassium Supportive 117 studies
Impact
High effect
B- Goal FitB Strength of SupportC- CoverageA- Formula Quality
Magnesium · 250 mg

Magnesium supports nervous-system regulation and muscle relaxation, with the clearest benefit when intake is inadequate. Its physiological role is established, while human evidence for reducing perceived stress in otherwise replete users is less robust than for targeted adaptogens or theanine.

The 250 mg magnesium amount reaches a meaningful supplemental range. Citrate is favorable, while the unknown share of extended-release oxide reduces absorption confidence.

Study evidence
Magnesium Supportive 13 studies

Ingredients

IngredientAmount per serving
Magnesium (Magnesium Citrate, ZumXR Magnesium Oxide)
250 mg
Potassium (Potassium Chloride)
99 mg
Adults 18–50
Report overview
F Active Ingredient Quality & BioavailabilityB+ Dose, Safety & Label TransparencyC Value

The formula supplies a useful elemental amount through citrate and extended-release oxide. The oxide proportion is unknown, and added potassium does not provide one of the specified magnesium cofactors. Its low serving cost offers fair value, but absorption quality remains mixed.

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Sources

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

  1. 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
  2. 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 Heart 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. Effect of potassium citrate on bone density, microarchitecture, and fracture risk in healthy older adults without osteoporosis: a randomized controlled trial.
    Jehle S; Hulter HN; Krapf R · The Journal of clinical endocrinology and metabolism · 2013
    Randomized trial201 participantsBone Health forPotassium
  9. Long-term persistence of the urine calcium-lowering effect of potassium bicarbonate in postmenopausal women.
    Frassetto L; Morris RC; Sebastian A · The Journal of clinical endocrinology and metabolism · 2005
    Randomized trial170 participantsBone Health forPotassium
  10. Partial neutralization of the acidogenic Western diet with potassium citrate increases bone mass in postmenopausal women with osteopenia.
    Jehle S; Zanetti A; Muser J; Hulter HN; Krapf R · Journal of the American Society of Nephrology : JASN · 2007
    Randomized trial161 participantsBone Health forPotassium
  11. Potassium citrate supplementation results in sustained improvement in calcium balance in older men and women.
    Moseley KF; Weaver CM; Appel L; Sebastian A; Sellmeyer DE · Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research · 2013
    Randomized trial52 participantsBone Health forPotassium
  12. Effects of potassium chloride and potassium bicarbonate on endothelial function, cardiovascular risk factors, and bone turnover in mild hypertensives.
    He FJ; Marciniak M; Carney C; Markandu ND; Anand V; Fraser WD; Dalton RN; Kaski JC; MacGregor GA · Hypertension (Dallas, Tex. : 1979) · 2010
    Randomized trial42 participantsBone Health forPotassium
  13. 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
  14. 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
  15. 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
  16. 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
  17. Sex-specific associations between sodium and potassium intake and overall and cause-specific mortality: a large prospective U.S. cohort study, systematic review, and updated meta-analysis of cohort studies.
    Gan L; Zhao B; Inoue-Choi M; Liao LM; Graubard BI; Weinstein SJ; Albanes D; Huang J · BMC medicine · 2024
    Meta-analysis416,104 participantsCardiovascular Support forPotassium
  18. Potassium intake, stroke, and cardiovascular disease a meta-analysis of prospective studies.
    D'Elia L; Barba G; Cappuccio FP; Strazzullo P · Journal of the American College of Cardiology · 2011
    Meta-analysis247,510 participants11 studies pooledCardiovascular Support Heart Health forPotassium
  19. Blood pressure response to changes in sodium and potassium intake: a metaregression analysis of randomised trials.
    Geleijnse JM; Kok FJ; Grobbee DE · Journal of human hypertension · 2003
    Meta-analysis27 studies pooledCardiovascular Support forPotassium
  20. Twenty-Four-Hour Urinary Sodium and Potassium Excretion and Their Associations With Blood Pressure Among Adults in China: Baseline Survey of Action on Salt China.
    Li Y; Zhang P; Wu J; Ma J; Xu J; Zhang X; Luo R; Liu M; Sun Y; Li X; Tan M; He FJ; MacGregor GA; Li X · Hypertension (Dallas, Tex. : 1979) · 2021
    Cross-sectional study5,353 participantsCardiovascular Support forPotassium
  21. Dietary Sodium and Potassium Intake and Risk of Non-Fatal Cardiovascular Diseases: The Million Veteran Program.
    Wang DD; Li Y; Nguyen XT; Song RJ; Ho YL; Hu FB; Willett WC; Wilson PWF; Cho K; Gaziano JM; Djoussé L; On Behalf Of The Va Million Veteran Program · Nutrients · 2022
    Cohort study180,156 participantsCardiovascular Support forPotassium
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  30. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  31. [Efficacy of potassium N-acetylaminosuccinate (Cogitum) in the treatment of asthenic syndrome: results of double-blind placebo-controlled trial].
    Esin RG; Khayrullin IK; Esin OR; Fatykhova AF; Gismatullina EI; Isaeva YN · Zhurnal nevrologii i psikhiatrii imeni S.S. Korsakova · 2023
    Randomized trial37 participantsEnergy forPotassium
  32. Human resting energy expenditure in relation to dietary potassium.
    Dériaz O; Thériault G; Lavallée N; Fournier G; Nadeau A; Bouchard C · The American journal of clinical nutrition · 1991
    Randomized trial8 participantsEnergy forPotassium
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. Oral potassium supplementation for management of essential hypertension: A meta-analysis of randomized controlled trials.
    Poorolajal J; Zeraati F; Soltanian AR; Sheikh V; Hooshmand E; Maleki A · PloS one · 2017
    Meta-analysis1,213 participants23 studies pooledHeart Health forPotassium
  42. Joint association of urinary sodium and potassium excretion with cardiovascular events and mortality: prospective cohort study.
    O'Donnell M; Mente A; Rangarajan S; McQueen MJ; O'Leary N; Yin L; Liu X; Swaminathan S; Khatib R; Rosengren A; Ferguson J; Smyth A; Lopez-Jaramillo P; Diaz R; Avezum A; Lanas F; Ismail N; Yusoff K; Dans A; Iqbal R; Szuba A; Mohammadifard N; Oguz A; Yusufali AH; Alhabib KF; Kruger IM; Yusuf R; Chifamba J; Yeates K; Dagenais G; Wielgosz A; Lear SA; Teo K; Yusuf S; PURE Investigators · BMJ (Clinical research ed.) · 2019
    Cohort study103,570 participantsHeart Health forPotassium
  43. Effect of Potassium Supplementation on Endothelial Function: A Systematic Review and Meta-Analysis of Intervention Studies.
    D'Elia L; Cappuccio FP; Masulli M; La Fata E; Rendina D; Galletti F · Nutrients · 2023
    Meta-analysis332 participants5 studies pooledHeart Health forPotassium
  44. Effects of potassium supplementation on office, home, and 24-h blood pressure in patients with essential hypertension.
    Kawano Y; Minami J; Takishita S; Omae T · American journal of hypertension · 1999
    Randomized trial55 participantsHeart Health forPotassium
  45. 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
  46. 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
  47. 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
  48. 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
  49. 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
  50. 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
  51. 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
  52. 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
  53. 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
  54. 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