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Oxy-Powder

4.7
★ ★ ★ ★ ★
(146 ratings)
Magnesium 1400 mg
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Score58
A costly, very high-amount oxide formula intended for strong laxative action rather than dependable magnesium repletion.
How scoring works
Capsule
Quantity:60 Capsule(s) • (15 servings)
Goals:
Digestive Health

Score 58

A costly, very high-amount oxide formula intended for strong laxative action rather than dependable magnesium repletion.
How scoring works
$29.95($1.99 per serving)
iHerb
$ 29.95
Vitacost
$ 31.39
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Analysis

Ozonated magnesium oxides are likely to remain largely in the digestive tract and pull water into the bowel. Citric acid accompanies the blend, but it does not turn the formula into a well-absorbed magnesium supplement.

The amount is much larger than typical daily supplemental magnesium servings. That design may produce a pronounced laxative response rather than steady support for muscle, nerve, heart, or bone functions.

The small package provides relatively few servings and is expensive compared with ordinary magnesium products. Its narrow bowel-cleansing use should not be confused with broad digestive health or routine repletion.

Who is it for
  • Adults specifically seeking a short-term bowel-cleansing product
  • People using it only according to label directions
Best for
  • Targeted laxative use when appropriate
  • Users who understand the hydration demands

Pros

  • Clear bowel-focused purpose
  • Capsules avoid a strong-tasting drink
  • Includes citric acid alongside the oxide

Cons

  • Poor choice for systemic magnesium support
  • Very high stated amount
  • High serving cost
  • Limited number of servings

Warnings

  • The 1,400 mg ozonated oxide amount may cause intense diarrhea, cramping, and urgent bowel movements.
  • Fluid loss can lead to dehydration or electrolyte imbalance, particularly with repeated use.
  • People with impaired kidney function may not clear supplemental magnesium safely.
  • Do not use persistent constipation, severe abdominal pain, vomiting, or bowel obstruction symptoms as a reason to keep increasing the serving.

Nutrient quality

44 Lower impact

Ozonated magnesium oxide fits a bowel-stimulation purpose but has poor expected systemic absorption. The very large amount creates substantial digestive and fluid-balance risk.

Ingredient transparency

83 Highest impact

The active amount and oxide form are stated without a hidden blend. Detailed use limits, duration guidance, and non-active capsule ingredients are absent from the supplied facts.

Customer satisfaction

64 Moderate 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

34 Situational impact

The focused formula is simple, but poor absorption and a high serving cost weaken value. Routine magnesium users can find safer and more absorbable options in the category.

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Goals

Digestive Health
Impact
High effect
B Goal FitC+ Strength of SupportD CoverageA Formula Quality
Magnesium · 1400 mg

The very large ozonated magnesium oxide amount is directly aimed at stimulating bowel movements. It may help short-term constipation but does not support the gut barrier, microbiome, or food digestion.

Ozonation does not provide a clearly established digestive advantage over ordinary magnesium oxide, and the formula is too narrow for comprehensive gut support. The high magnesium oxide amount can cause diarrhea, cramping, and fluid loss, especially in sensitive users.

Study evidence
Magnesium Supportive 50 studies

Ingredients

IngredientAmount per serving
Magnesium (ozonated Magnesium Oxides)
1400 mg
natural Citric Acid
90 mg
Gluten Free Adults 18–50 Vegan Vegetarian
Report overview
F Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyF Value

Ozonated magnesium oxides have low expected systemic absorption and appear better suited to the product's bowel-cleansing purpose. The very high stated amount raises a practical risk of diarrhea, cramping, and fluid loss when used as directed. A far-above-median serving cost further weakens its fit as a routine magnesium supplement.

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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 pooledHeart 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 participantsHeart Health forMagnesium
  3. 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
  4. 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
  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. 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
  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. 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
  10. 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
  11. 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
  12. 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
  13. 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