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KalmAssure Magnesium Powder 420 mg Refreshing Pink Lemonade

4.7
★ ★ ★ ★ ★
(577 ratings)
Magnesium 420 mg
Product Image
Score72
A convenient magnesium citrate powder with substantial dosing. Xylitol, missing serving information, and strong laxative potential limit routine use.
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Powder
Quantity:0 Pound(s) • ( servings)
Goals:
General Health
Digestive Health
Energy
Sleep Support
Stress Relief
Cardiovascular Support
Heart Health
Bone Health
Testosterone Support

Score 72

A convenient magnesium citrate powder with substantial dosing. Xylitol, missing serving information, and strong laxative potential limit routine use.
How scoring works

Also available as

1 option
1 servings • Refreshing Orange Magnesium 420 mg • 1 Pound(s) • 60 servings $27.16 ($0.45 per serving)
$27.16($0.00 per serving)
Vitacost
$ 27.16
iHerb
$ 27.16
Walmart
$ 29.31
Pure Formulas
$ 27.16
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Analysis

The powder supplies 420 mg magnesium citrate for normal muscle, nerve, cardiovascular, and energy functions. A drink format may suit users who avoid capsules and want adjustable mixing.

One gram of xylitol and the citrate form can both draw water into the bowel. Three grams of carbohydrate add delivery bulk, while the supplied data do not establish serving count or serving-level value.

The product fits users who want a flavored magnesium drink and tolerate digestive effects. The full serving is less attractive for people seeking gentler sleep or stress support.

Who is it for
  • Adults preferring magnesium drinks
  • Users seeking citrate for motility
  • People who tolerate xylitol
Best for
  • Flavored magnesium supplementation
  • Bowel-motility support
  • Users avoiding capsules

Pros

  • Substantial citrate amount
  • Powder allows flexible mixing
  • Clear xylitol amount
  • Convenient flavored format

Cons

  • Serving count is missing
  • Citrate and xylitol may compound bowel effects
  • Three grams of carbohydrate
  • Value cannot be confirmed

Warnings

  • Magnesium citrate and xylitol may combine to cause diarrhea, gas, or abdominal cramping.
  • Xylitol is highly toxic to dogs, so the powder must be stored securely away from pets.
  • Impaired kidney function requires clinician guidance before substantial magnesium use.

Nutrient quality

79 High impact

Citrate provides useful absorption and a full supplemental amount. The high amount and xylitol create a notable digestive-tolerance trade-off.

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Ingredient transparency

80 High impact

The magnesium form and amount are clear, but package-level serving information is incomplete. Missing serving count, use directions, flavor details, and other ingredients substantially limit clarity.

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Customer satisfaction

70 High impact

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

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Value for money

54 Moderate impact

Useful citrate and a full amount may support fair formula value. Missing serving count prevents a reliable cost-per-serving or category comparison.

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Report analysis

Goals

General Health
General Health
Impact
Highest effect
A+ Goal FitA- Strength of SupportC+ CoverageB+ Formula Quality
Magnesium · 420 mg

Magnesium supports energy production, muscle function, and nervous system regulation. Magnesium citrate has moderate absorption, and the clearly listed 420 mg amount is a full supplemental serving.

The powder provides focused magnesium support but adds xylitol and carbohydrates without a nutritional cofactor. Magnesium citrate and xylitol may both contribute to loose stools or abdominal discomfort in sensitive users.

Study evidence
Magnesium Supportive 114 studies
Digestive Health
Digestive Health
Impact
Highest effect
A Goal FitA- Strength of SupportC CoverageB+ Formula Quality
Magnesium · 420 mg

Magnesium citrate directly supports stool softening and may help occasional constipation. The clearly stated 420 mg amount provides substantial strength, while the powder allows more flexible serving adjustment than fixed capsules.

Xylitol may add a mild laxative effect but also increases the chance of gas or abdominal discomfort. Combining the full magnesium citrate amount with xylitol may cause loose stools or cramping in sensitive users.

Study evidence
Magnesium Supportive 50 studies
Energy
Energy
Impact
Highest effect
A Goal FitA- Strength of SupportC CoverageA- Formula Quality
Magnesium · 420 mg

Magnesium citrate supplies a substantial amount for ATP-dependent metabolism, muscles, and nerves. The powder format offers an alternative to taking several capsules.

Coverage remains focused on magnesium rather than acute energy or stress resilience. A full citrate serving may loosen stools, and sweeteners in the flavored powder can add digestive discomfort for some users.

Study evidence
Magnesium Supportive 4 studies
Sleep Support
Sleep Support
Impact
Highest effect
B+ Goal FitA- Strength of SupportC CoverageA Formula Quality
Magnesium · 420 mg

Magnesium citrate supports nervous-system relaxation and may help sleep when magnesium intake is inadequate. It does not directly regulate circadian timing or provide a dedicated calming neurotransmitter ingredient.

The 420 mg elemental amount is clearly disclosed and provides strong depth for the mineral pathway. Magnesium citrate and 1 g of xylitol may both contribute to loose stools or abdominal discomfort.

Study evidence
Magnesium Supportive 23 studies
Stress Relief
Stress Relief
Impact
High effect
C+ Goal FitA Strength of SupportC- CoverageA- Formula Quality
Magnesium · 420 mg

Magnesium citrate may help relaxation and normal nervous-system function when intake is inadequate. The flavored powder remains a single-pathway product without adaptogen or direct calming-amino-acid support.

The 420 mg amount and citrate form are clearly stated, while a scoop offers a flexible format. Magnesium citrate and xylitol may both loosen stools or cause abdominal discomfort in sensitive users.

Study evidence
Magnesium Supportive 13 studies
Cardiovascular Support
Cardiovascular Support
Impact
High effect
B+ Goal FitB- Strength of SupportC- CoverageA- Formula Quality
Magnesium · 420 mg

Magnesium provides a relevant route to cardiovascular support. The disclosed amount appears meaningful for that focused role.

The formula remains narrow rather than comprehensive. Vitamin K can oppose warfarin and related vitamin-K-antagonist medicines, so the intake should remain medically coordinated and consistent.

Study evidence
Magnesium Supportive 123 studies

Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Carbohydrates
3 Gram(s)
Xylitol
1 Gram(s)
Magnesium (Magnesium Citrate)
 420 mg
Gluten Free Adults 18–50 Vegan Dairy Free Sugar Free No Allergies Vegetarian
Report overview
Magnesium (Magnesium Citrate) · 420 mg OverallScore66
D Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyD+ Value
+1

Magnesium citrate offers moderate absorption, and the label provides 420 mg per scoop. The amount fits a full therapeutic serving, but value cannot be established because cost per serving is unavailable. Magnesium citrate and the included xylitol may both contribute to loose stools or abdominal discomfort in sensitive users.

View ingredientView products
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91 Performance

Krebs Magnesium Potassium Complex

Nature's Way
A more purposeful active profile is better aligned with the original’s main use because magnesium lysinate and malate provide favorable forms at a useful amount, with a modest potassium contribution. The focused formula offers excellent serving value.
81 Performance

Ultra-Mag

Source Naturals
A more purposeful active profile is better aligned with the original’s main use because a broad organic magnesium blend supplies strong form diversity and a substantial amount at an economical cost. The label does not clarify each form share, while high supplemental magnesium and prolonged B6 use may affect tolerability.
88 Performance

Magnesium Bisglycinate Powder

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A more purposeful active profile is better aligned with the original’s main use because magnesium bisglycinate supplies a well-absorbed form at a practical, moderate amount. The pure powder is adjustable, clearly labeled, and inexpensive, supporting strong routine value.
85 Budget

Magnesium Bisglycinate Chelate

Healthy Origins
The original serving cost is unavailable, so a true cheaper comparison cannot be confirmed; tRAACS magnesium bisglycinate provides premium absorption quality, a useful elemental amount, and exceptional serving value in a clean powder. The product is narrow rather than comprehensive, and its relatively weak satisfaction metric deserves consideration despite the strong formula.
83 Budget

Albion Chelated Magnesium Glycinate

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The original serving cost is unavailable, so a true cheaper comparison cannot be confirmed; patented TRAACS magnesium bisglycinate supplies a substantial magnesium amount in a focused formula. Label clarity and customer ratings are generally favorable, although complete usage and excipient details are not supplied.
80 Budget

Magnesium Glycinate Chelate

Designs for Health
The original serving cost is unavailable, so a true cheaper comparison cannot be confirmed; a branded buffered glycinate chelate provides favorable absorption potential at a meaningful amount. The label does not reveal how much of the buffered material may be oxide, and complete directions and inactive ingredients are absent.
84 Value

Magnesium Bisglycinate Chelate

Healthy Origins
Ingredient quality and serving value are better balanced here because tRAACS magnesium bisglycinate provides premium absorption quality and a useful elemental amount in a clean tablet. The focused formula offers strong value but remains limited to one foundational mineral pathway.
82 Value

Albion DiMagnesium Malate

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Ingredient quality and serving value are better balanced here because albion dimagnesium malate supplies a well-defined chelated form at a substantial amount. The focused formula supports broad magnesium needs and offers fair value despite a higher serving cost than basic forms.
79 Value

Magnesium Glycinate Chelate

Designs for Health
Ingredient quality and serving value are better balanced here because a branded buffered glycinate chelate provides favorable absorption potential at a meaningful amount. The label does not reveal how much of the buffered material may be oxide, and complete directions and inactive ingredients are absent.
Report alternatives

Sources

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

  1. 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
  2. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  3. 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 pooledHeart Health Cardiovascular Support forMagnesium
  4. 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 participantsHeart Health forMagnesium
  5. 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
  6. Serum magnesium and outcomes in heart failure with reduced ejection fraction: the GALACTIC-HF trial.
    Chimura M; Docherty KF; Jhund PS; Yang M; Ono R; Henderson AD; Metra M; Liu G; Divanji PH; Heitner SB; Kupfer S; Malik FI; Felker GM; Solomon SD; Teerlink JR; McMurray JJV · European heart journal · 2026
    Randomized trial6,147 participantsCardiovascular Support forMagnesium
  7. 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
  8. Diagnosis of magnesium-induced diarrhea.
    Fine KD; Santa Ana CA; Fordtran JS · The New England journal of medicine · 1991
    Clinical trial19 participantsDigestive Health forMagnesium
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  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. 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
  18. 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
  19. 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
  20. 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
  21. 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
  22. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy 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. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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
  38. 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
  39. 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
  40. 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
  41. 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
  42. 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
  43. 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
  44. 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
  45. 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