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MagO7

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(50967 ratings)
Magnesium 1035 mg
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Score51
An unquantified ozonated magnesium oxide complex may act mainly as a strong laxative and is a poor choice for systemic magnesium support.
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Capsule
Quantity:90 Capsule(s) • (30 servings)
Goals:
Digestive Health
Heart Health

Score 51

An unquantified ozonated magnesium oxide complex may act mainly as a strong laxative and is a poor choice for systemic magnesium support.
How scoring works
$27.95($0.93 per serving)
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Analysis

The label lists 1,035 mg of ozonated magnesium oxides but does not state elemental magnesium. Compound weight cannot be treated as the absorbed mineral dose, and oxide forms generally have low systemic uptake.

A small 99 mg potassium citrate addition does not resolve the magnesium uncertainty. Three capsules deliver a large oxide load that may produce urgent or pronounced bowel effects.

It is better understood as a bowel-focused product than a dependable magnesium supplement. People seeking muscle, nerve, sleep, bone, or cardiovascular magnesium support should choose a clearly quantified absorbed form.

Who is it for
  • Adults intentionally seeking a strong bowel effect
  • Users who understand oxide-compound versus elemental weight
  • People using it only with a clear tolerance plan
Best for
  • Short-term bowel-focused use
  • Users specifically seeking an oxide complex
  • People who do not need measurable systemic magnesium

Pros

  • Clearly identifies the oxide-complex weight
  • Includes a small amount of potassium citrate
  • Capsule format avoids mixing powder
  • Focused digestive positioning is apparent

Cons

  • Elemental magnesium amount is missing
  • Oxide offers low systemic absorption
  • Large oxide load may cause strong diarrhea
  • Poor value for nutritional magnesium support

Warnings

  • The large oxide complex may cause pronounced diarrhea, cramping, dehydration, or electrolyte loss; stop use if effects are excessive.
  • Do not interpret 1,035 mg of oxide compound as 1,035 mg of elemental magnesium.
  • 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.

Nutrient quality

42 Lower impact

Ozonated magnesium oxides are poorly absorbed and act mainly within the digestive tract. The label gives oxide compound weight without a clear elemental magnesium amount, while the large oxide compound amount may cause loose stools or marked digestive effects.

Ingredient transparency

49 Lower impact

The branded oxide name and compound weight do not reveal elemental magnesium yield. Serving totals are apparent, but full directions and inactive ingredients are not supplied.

Customer satisfaction

70 High impact

The supplied average rating is favorable. The exceptionally large rating base makes the average highly stable, while complaint and firsthand experience details are unavailable.

Value for money

47 Lower impact

Quality and disclosure gaps weaken the asking position. The serving value is weak within the category.

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Goals

Digestive Health
Digestive Health
Impact
Moderate effect
B- Goal FitD- Strength of SupportD- CoverageA Formula Quality
Magnesium · 1035 mg

A large ozonated magnesium oxide compound may draw water into the bowel and produce a strong laxative effect. The label does not state elemental magnesium, so effective dose and safety cannot be assessed precisely.

The formula is focused on stool evacuation rather than broad digestive health. The large oxide amount may cause diarrhea, dehydration, cramping, or electrolyte disturbance if overused.

Study evidence
Magnesium Supportive 50 studies
Heart Health
Heart Health
Impact
Moderate effect
C+ Goal FitF Strength of SupportD+ CoverageB+ Formula Quality
Magnesium · 1035 mg

Magnesium and potassium are relevant to vascular tone and cardiac electrical signaling. The ozonated oxide formula appears oriented toward digestive effects rather than absorbed cardiovascular mineral support.

The label does not state elemental magnesium, so the effective amount cannot be verified. The large oxide compound amount may cause loose stools, while the potassium amount remains modest.

Study evidence
Magnesium Supportive 158 studies
Potassium Supportive 182 studies

Ingredients

IngredientAmount per serving
Magnesium (ozonated Magnesium Oxides)
 1035 mg
Potassium (Potassium Citrate)
 99 mg
Gluten Free Adults 18–50 Vegan Vegetarian
Report overview
Magnesium (ozonated Magnesium Oxides) · 1035 mg OverallScore10
F Active Ingredient Quality & BioavailabilityF Dose, Safety & Label TransparencyF Value

Ozonated magnesium oxides are low-absorption forms and may act more strongly in the digestive tract than systemically. The listed 1,035 mg refers to the oxide compound rather than clearly stated elemental magnesium, so the effective mineral dose cannot be verified. Its above-median serving cost offers poor value for systemic magnesium support, and the large oxide amount may cause loose stools.

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Sources

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

  1. 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
  2. Magnesium intake, bone mineral density, and fractures: results from the Women's Health Initiative Observational Study.
    Orchard TS; Larson JC; Alghothani N; Bout-Tabaku S; Cauley JA; Chen Z; LaCroix AZ; Wactawski-Wende J; Jackson RD · The American journal of clinical nutrition · 2014
    Cohort study73,684 participantsBone Health forMagnesium
  3. 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
  4. 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
  5. 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
  6. Diagnosis of magnesium-induced diarrhea.
    Fine KD; Santa Ana CA; Fordtran JS · The New England journal of medicine · 1991
    Clinical trial19 participantsDigestive Health forMagnesium
  7. 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
  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. 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
  11. 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 forMagnesium
  12. 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
  13. 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
  14. 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
  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-analysisHeart Health forMagnesium
  16. 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 pooledHeart Health forPotassium
  17. 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
  18. 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
  19. 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
  20. 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