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Magnesium Citrate Pure Powder

Best Naturals
4.3
★ ★ ★ ★ ★
(149 ratings)
Magnesium 210 mg
Product Image
Score83
A pure, economical magnesium citrate powder offers flexible dosing and moderate absorption, though it requires measuring and can loosen stools.
How scoring works
Quantity:1 lb(s) • (303 servings)
Goals:
General Health
Digestive Health
Energy
Stress Relief
Cardiovascular Support
Bone Health
Heart Health
Testosterone Support

Score 83

A pure, economical magnesium citrate powder offers flexible dosing and moderate absorption, though it requires measuring and can loosen stools.
How scoring works
$13.95($0.04 per serving)
Walmart
$ 13.95
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Analysis

Each listed serving provides 210 mg of elemental magnesium as citrate. The amount is flexible enough for routine use, while citrate offers better absorption than oxide and may also support bowel regularity.

An unblended powder avoids competing minerals and makes divided dosing possible. It requires accurate measuring and may be less convenient than capsules when traveling.

It is well suited to cost-conscious users who want adjustable magnesium citrate. People with sensitive digestion can begin below a full serving and assess tolerance.

Who is it for
  • Adults who prefer unflavored bulk powder
  • People wanting adjustable magnesium intake
  • Value-conscious citrate users
Best for
  • Flexible divided dosing
  • General magnesium support
  • Bowel regularity when needed

Pros

  • Uses clearly identified magnesium citrate
  • Provides a practical 210 mg amount
  • Pure powder avoids competing minerals
  • Exceptional serving value

Cons

  • Requires accurate measuring
  • Citrate can cause loose stools
  • No added cofactor
  • Bulk powder is less portable than capsules

Warnings

  • The 210 mg citrate serving of supplemental magnesium may cause loose stools, cramping, or nausea; a smaller divided amount may be easier to tolerate.
  • Magnesium can reduce absorption of tetracycline or quinolone antibiotics; follow the prescriber or pharmacist’s spacing instructions.
  • Magnesium can interfere with levothyroxine absorption and should be separated according to medication guidance.
  • People with significantly reduced kidney function can accumulate magnesium and need clinician-guided use.

Nutrient quality

90 Highest impact

Magnesium citrate offers reasonable absorption in a simple powder format. The elemental amount is well aligned with everyday supplementation, while the moderate citrate amount avoids obvious excess, though loose stools remain possible for sensitive users.

Ingredient transparency

81 Highest impact

The citrate form and elemental amount are specific and straightforward. Serving totals are apparent, but full directions and inactive ingredients are not supplied.

Customer satisfaction

60 Moderate impact

The supplied average rating is moderately positive. The moderate rating base offers some confidence but is not extensive, while complaint and firsthand experience details are unavailable.

Value for money

97 Highest impact

Formula quality supports the asking position well. The serving value is highly competitive within the category.

Report analysis

Goals

General Health
Stress Resilience
General Health
Impact
Highest effect
A Goal FitB+ Strength of SupportC CoverageA Formula Quality
Magnesium · 210 mg

Magnesium citrate provides a foundational mineral in a moderately absorbable form. The clearly disclosed elemental amount can help fill a common nutritional gap.

Coverage remains narrow because the powder supplies magnesium alone. A simple ingredient profile keeps the formula focused and easy to assess.

Study evidence
Magnesium Supportive 114 studies
Digestive Health
Bowel Regularity
Digestive Health
Impact
Highest effect
A Goal FitA- Strength of SupportD CoverageA+ Formula Quality
Magnesium · 210 mg

Magnesium citrate is directly relevant to stool softening and regularity. The focused powder does not address digestive enzymes, the microbiome, or mucosal support.

A clearly disclosed elemental amount provides meaningful depth and the citrate form suits the goal. The simple formula is coherent for people seeking mineral-based motility support.

Study evidence
Magnesium Supportive 50 studies
Energy
Energy
Impact
High effect
B Goal FitA- Strength of SupportD+ CoverageA+ Formula Quality
Magnesium · 210 mg

Magnesium is required for ATP-dependent enzymes, and the 210 mg amount meets the stated energy threshold. Magnesium citrate provides focused metabolic and neuromuscular support rather than acute stimulation.

Magnesium citrate is reasonably absorbed, though it may loosen stools in sensitive users. The single-mineral design is transparent and free from unrelated ingredients.

Study evidence
Magnesium Supportive 4 studies
Stress Relief
Calm and Tension Relief
Stress Relief
Impact
High effect
B+ Goal FitA- Strength of SupportD+ CoverageA Formula Quality
Magnesium · 210 mg

Magnesium citrate supplies a meaningful amount for foundational nervous-system and muscle relaxation support. The pure powder is clearly disclosed and reasonably absorbable.

Stress benefits are most likely when magnesium intake is low, and the product does not target cortisol or acute mental calm. It is a focused mineral option rather than a multi-pathway formula.

Study evidence
Magnesium Supportive 13 studies
Cardiovascular Support
Heart Muscle and Rhythm
Cardiovascular Support
Impact
High effect
B Goal FitB+ Strength of SupportD CoverageA+ Formula Quality
Magnesium · 210 mg

Magnesium citrate provides a useful elemental amount in a moderately absorbed form. It may support vascular tone and normal cardiac rhythm when magnesium intake is inadequate.

The pure powder offers good depth for one mineral pathway without unnecessary ingredients. It does not address lipid management, cardiac energy, or other major cardiovascular needs.

Study evidence
Magnesium Supportive 123 studies
Bone Health
Bone Mineral Density
Bone Health
Impact
High effect
B- Goal FitB+ Strength of SupportC CoverageA Formula Quality
Magnesium · 210 mg

Magnesium citrate supplies a relevant structural mineral and supports vitamin D metabolism. The single-mineral approach is useful but cannot cover calcium transport or the bone protein matrix.

The elemental amount is clear and appropriately sized for supplementation. Citrate offers moderate absorption and the pure powder avoids competing ingredients, though it lacks bone-specific cofactors.

Study evidence
Magnesium Supportive 48 studies

Ingredients

IngredientAmount per serving
Magnesium (Magnesium Citrate)
 210 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
Magnesium (Magnesium Citrate) · 210 mg OverallScore72
D Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB+ Value

Magnesium citrate offers moderate absorption with a clearly disclosed therapeutic elemental amount. The pure powder contains no added cofactor but avoids competing minerals. An exceptionally low serving cost provides strong value for a mid-tier form.

View ingredientView products
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85 Performance

Magnesium Bisglycinate Chelate

Healthy Origins
<p>Its label clearly provides 200 mg of Magnesium as TRAACS Magnesium Bisglycinate Chelate, making it a more clearly defined magnesium option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
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Albion Chelated Magnesium Glycinate

Swanson Ultra
<p>Its label clearly provides 400 mg of Magnesium as TRAACS Magnesium Bisglycinate Chelate, making it a more clearly defined magnesium option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
80 Performance

Magnesium Glycinate Chelate

Designs for Health
<p>Its label clearly provides 300 mg of Magnesium as TRAACS Magnesium Glycinate Chelate buffered, making it a more clearly defined magnesium option. Compared with the original, its ingredient and goal alignment is stronger, although the input does not provide independent testing or absorption evidence.</p>
84 Budget

Magnesium Bisglycinate Chelate

Healthy Origins
<p>Its label clearly provides 200 mg of Magnesium as TRAACS Magnesium Bisglycinate Chelate, preserving relevant magnesium coverage. It is not lower-cost than the original, but it is the closest remaining eligible fit for this category; the input does not provide independent testing or absorption evidence.</p>
82 Budget

Albion DiMagnesium Malate

Swanson Ultra
<p>Its label clearly provides 400 mg of Magnesium as Albion DiMagnesium Malate, preserving relevant magnesium coverage. It is not lower-cost than the original, but it is the closest remaining eligible fit for this category; the input does not provide independent testing or absorption evidence.</p>
79 Budget

Magnesium Glycinate Chelate

Designs for Health
<p>Its label clearly provides 300 mg of Magnesium as TRAACS Magnesium Glycinate Chelate buffered, preserving relevant magnesium coverage. It is not lower-cost than the original, but it is the closest remaining eligible fit for this category; the input does not provide independent testing or absorption evidence.</p>
91 Value

Krebs Magnesium Potassium Complex

Nature's Way
<p>Its label clearly provides 250 mg of Magnesium as Magnesium Lysinate, keeping the formula relevant to magnesium. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
88 Value

Magnesium Bisglycinate Powder

NOW
<p>Its label clearly provides 250 mg of Magnesium as Magnesium Bisglycinate, keeping the formula relevant to magnesium. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
81 Value

Ultra-Mag

Source Naturals
<p>Its label clearly provides 30 mg of Vitamin B6 as Pyridoxine Hydrochloride, keeping the formula relevant to magnesium. Compared with the original, the somewhat higher serving cost and ingredient detail create a useful quality-to-cost balance, although the input does not provide independent testing or absorption evidence.</p>
Report alternatives

Sources

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

  1. The effect of food, vitamin, or mineral supplements on chronic constipation in adults: A systematic review and meta-analysis of randomized controlled trials.
    van der Schoot A; Creedon A; Whelan K; Dimidi E · Neurogastroenterology and motility · 2023
    Meta-analysis787 participants8 studies pooledDigestive Health forMagnesium
  2. 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
  3. Diagnosis of magnesium-induced diarrhea.
    Fine KD; Santa Ana CA; Fordtran JS · The New England journal of medicine · 1991
    Clinical trial19 participantsDigestive Health forMagnesium
  4. Lactobacillus casei rhamnosus Lcr35 in children with chronic constipation.
    Bu LN; Chang MH; Ni YH; Chen HL; Cheng CC · Pediatrics international : official journal of the Japan Pediatric Society · 2007
    Randomized trial45 participantsDigestive Health forMagnesium
  5. Lactobacillus reuteri DSM 17938 and Magnesium Oxide in Children with Functional Chronic Constipation: A Double-Blind and Randomized Clinical Trial.
    Kubota M; Ito K; Tomimoto K; Kanazaki M; Tsukiyama K; Kubota A; Kuroki H; Fujita M; Vandenplas Y · Nutrients · 2020
    Randomized trial60 participantsDigestive Health forMagnesium
  6. 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
  7. Magnesium-Rich Mineral Water Improves Stool Consistency and Bowel Habits in Healthy Subjects: A Randomized Controlled Trial.
    Yoneda H; Tomita T; Kitano T; Morishita D; Kodani M; Nishii N; Sei H; Eda H; Sato T; Kawai M; Yokoyama Y; Igeta M; Okugawa T; Fukui H; Shinzaki S · Neurogastroenterology and motility · 2026
    Randomized trial40 participantsDigestive Health forMagnesium
  8. 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
  9. 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
  10. Effect of the laxative magnesium oxide on gastrointestinal functional recovery in fast-track colonic resection: a double-blind, placebo-controlled randomized study.
    Andersen J; Christensen H; Pachler JH; Hallin M; Thaysen HV; Kehlet H · Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland · 2012
    Randomized trial49 participantsDigestive Health forMagnesium
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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
  23. 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
  24. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  25. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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