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Magnesium Tablets 300 mg

Trace Minerals Research
4.8
★ ★ ★ ★ ★
(456 ratings)
Chloride 300 mg
Magnesium 300 mg
Product Image
Score76
Several favorable magnesium forms are undermined by an unclear total dose. Verify the physical label before use because additive entries would create an excessive serving.
How scoring works
Quantity:60 Tablet(s) • (30 servings)
Goals:
General Health
Energy
Heart Health
Cardiovascular Support
Stress Relief
Testosterone Support
Bone Health
Digestive Health

Score 76

Several favorable magnesium forms are undermined by an unclear total dose. Verify the physical label before use because additive entries would create an excessive serving.
How scoring works
$17.99($0.59 per serving)
iHerb
$ 19.50
Vitacost
$ 17.99
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Analysis

The tablet lists magnesium citrate, glycinate, taurinate, and chloride alongside ionic trace minerals. Those forms can support normal muscle, nerve, cardiovascular, stress, and energy functions.

Each magnesium form is shown at 300 mg in the supplied data, creating uncertainty about whether they describe one shared total or additive contributions. The large ionic trace-mineral blend is also not broken into individual components.

The product should be used only after the physical label clarifies the total elemental magnesium. Form variety is not useful when the actual amount cannot be interpreted confidently.

Who is it for
  • Adults who can verify the elemental magnesium total
  • Users seeking multiple magnesium forms
  • People comfortable with a two-tablet serving
Best for
  • Magnesium-form variety after label verification
  • General mineral support
  • Users avoiding single-form magnesium

Pros

  • Includes citrate, glycinate, taurinate, and chloride
  • Broad magnesium-form coverage
  • Tablet format
  • Ionic trace-mineral component

Cons

  • True magnesium total is unclear
  • Each form repeats the same amount
  • Trace-mineral blend lacks detail
  • Weak value under dose uncertainty

Warnings

  • Verify the physical label before use because the repeated 300 mg entries may not represent one clear elemental total.
  • A large magnesium serving may cause diarrhea, nausea, or abdominal cramping.
  • People with impaired kidney function should not use substantial magnesium without clinician guidance.

Nutrient quality

89 Highest impact

Glycinate and taurinate provide strong absorption potential, supported by citrate and chloride forms. The magnesium and chloride amounts are meaningful for focused mineral support.

Ingredient transparency

73 High impact

The main magnesium, chloride, and trace-mineral amounts are listed. The magnesium salts are specific, while the accompanying trace-mineral description is broad.

Customer satisfaction

67 High impact

The aggregate rating is strong and the available feedback volume gives it useful statistical support. No specific review comments are supplied to assess recurring benefits or complaints.

Value for money

73 High impact

High-quality magnesium forms provide sound value even though the serving cost is not unusually low. The active formula avoids low-value botanical or vitamin additions.

Report analysis

Goals

General Health
Stress Resilience
General Health
Impact
Highest effect
A+ Goal FitA Strength of SupportC+ CoverageA Formula Quality
Magnesium · 300 mg

A substantial magnesium amount directly supports a common foundational mineral need. The product is narrow by design, which gives magnesium good depth but does not cover wider nutritional gaps.

Citrate, glycinate, taurinate, and chloride are all disclosed and generally offer better options than oxide alone. The elemental amount is clear, although the contribution of each form within the blend is not separated.

Study evidence
Magnesium Supportive 114 studies
Energy
Energy
Impact
Highest effect
A- Goal FitA Strength of SupportC CoverageA- Formula Quality
Magnesium · 300 mg

Magnesium directly supports ATP production, muscle function, and nerve signaling. The elemental amount is well aligned with focused metabolic support.

Glycinate, taurinate, and citrate provide favorable absorption options within the blend. The additional ionic trace-mineral blend is not fully characterized but does not displace the meaningful magnesium dose.

Study evidence
Magnesium Supportive 4 studies
Heart Health
Healthy Blood Pressure
Heart Health
Impact
Highest effect
A- Goal FitA- Strength of SupportC CoverageA Formula Quality
Magnesium · 300 mg

Magnesium glycinate, taurinate, citrate, and chloride provide a meaningful elemental amount for rhythm and vascular support. The blend includes several favorable forms.

The proportions from each form are not disclosed, so the contribution of the premium sources cannot be verified. The formula remains focused on one pathway rather than broad cardiovascular coverage.

Study evidence
Magnesium Supportive 158 studies
Cardiovascular Support
Heart Muscle and Rhythm
Cardiovascular Support
Impact
Highest effect
B Goal FitA Strength of SupportC+ CoverageA+ Formula Quality
Magnesium · 300 mg

Magnesium glycinate, taurinate, citrate, and chloride provide a substantial foundation for vascular tone and rhythm. Taurinate adds especially relevant form logic for a cardiovascular-focused mineral product.

The formula does not address lipids or nitric oxide directly, but it delivers strong depth in one established pathway. Exact elemental dosing and several bioavailable forms support high contribution confidence.

Study evidence
Magnesium Supportive 123 studies
Stress Relief
Calm and Tension Relief
Stress Relief
Impact
Highest effect
B Goal FitA Strength of SupportC CoverageA- Formula Quality
Magnesium · 300 mg

A blend of glycinate, taurinate, citrate, and chloride provides strong foundational magnesium support. Evidence for magnesium is relevant to nervous-system regulation, particularly when intake or status is low.

The clearly disclosed elemental amount and multiple absorbable forms support dependable delivery. The focused mineral design has excellent depth but no direct adaptogenic or broader neurotransmitter strategy.

Study evidence
Magnesium Supportive 13 studies
Testosterone Support
Free Testosterone Support
Testosterone Support
Impact
High effect
C Goal FitA Strength of SupportD+ CoverageA Formula Quality
Magnesium · 300 mg

Magnesium offers focused support for normal free-testosterone status when intake or status is low. The substantial amount combines citrate, glycinate, taurinate, and chloride for generally strong delivery.

The product develops a single mineral pathway well but does not address zinc, vitamin D, boron, or stress. Its streamlined design avoids the weak botanicals and hidden blends common in broader hormone formulas.

Study evidence
Magnesium Disputed 5 studies

Ingredients

IngredientAmount per serving
Calories
10 Calorie(s)
Total Carbohydrate
2 Gram(s)
Magnesium (Magnesium Citrate, Magnesium Glycinate, Magnesium Taurinate, Magnesium Chloride)
 300 mg
Chloride (Ionic Trace Minerals)
 300 mg
Ionic Trace Minerals
1 Gram(s)
Gluten Free Adults 18–50 Vegan No Allergies Vegetarian
Report overview
Chloride (Ionic Trace Minerals) · 300 mg OverallScore82
B Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyB+ Value

Ionic trace minerals provide chloride in a concentrated mineral complex. The chloride serving provides a meaningful amount for daily mineral support. The cost per serving offers good value for the meaningful chloride amount.

View ingredientView products
Magnesium (Magnesium Citrate, Magnesium Glycinate, Magnesium Taurinate, Magnesium Chloride) · 300 mg OverallScore71
C Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyD+ Value

Glycinate and taurinate provide premium absorption potential, while citrate is moderate and chloride adds some variability. The 300 mg elemental dose sits within the standard therapeutic range. Value is average because the high-quality blend costs more than the collection median without a patented material.

View ingredientView products
Loading alternative details
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 it does not retain the original product’s chloride coverage.</p>
83 Performance

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 it does not retain the original product’s chloride coverage.</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 it does not retain the original product’s chloride coverage.</p>
91 Budget

Krebs Magnesium Potassium Complex

Nature's Way
<p>Its label clearly provides 250 mg of Magnesium as Magnesium Lysinate, preserving relevant magnesium coverage. Compared with the original, it lowers the serving cost, although it does not retain the original product’s chloride coverage.</p>
88 Budget

Magnesium Bisglycinate Powder

NOW
<p>Its label clearly provides 250 mg of Magnesium as Magnesium Bisglycinate, preserving relevant magnesium coverage. Compared with the original, it lowers the serving cost, although it does not retain the original product’s chloride coverage.</p>
80 Budget

Magnesium Caps 500 mg

Life Extension
<p>Its label clearly provides 500 mg of Magnesium as Magnesium Citrate, preserving relevant magnesium coverage. Compared with the original, it lowers the serving cost, although it does not retain the original product’s chloride coverage.</p>
84 Value

Magnesium Bisglycinate Chelate

Healthy Origins
<p>Its label clearly provides 200 mg of Magnesium as TRAACS Magnesium Bisglycinate Chelate, keeping the formula relevant to magnesium. Compared with the original, the lower serving cost and ingredient detail create a useful quality-to-cost balance, although it does not retain the original product’s chloride coverage.</p>
84 Value

Magnesium Glycinate

NOW
<p>Its label clearly provides 200 mg of Magnesium, keeping the formula relevant to magnesium. Compared with the original, the lower serving cost and ingredient detail create a useful quality-to-cost balance, although it does not retain the original product’s chloride coverage.</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 lower serving cost and ingredient detail create a useful quality-to-cost balance, although it does not retain the original product’s chloride coverage.</p>
Report alternatives

Sources

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

  1. 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
  2. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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
  13. 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
  14. 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
  15. 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
  16. 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
  17. 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
  18. Red blood cell magnesium and chronic fatigue syndrome.
    Cox IM; Campbell MJ; Dowson D · Lancet (London, England) · 1991
    Randomized trial32 participantsEnergy forMagnesium
  19. Exercise, magnesium and immune function.
    Laires MJ; Monteiro C · Magnesium research · 2008
    Narrative reviewEnergy forMagnesium
  20. 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
  21. 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
  22. 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
  23. 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
  24. 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
  25. 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
  26. 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
  27. 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
  28. 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
  29. 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
  30. 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
  31. 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
  32. 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
  33. 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
  34. 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
  35. 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
  36. 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
  37. 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