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Oxy-Powder

4.8
★ ★ ★ ★ ★
(143 ratings)
Magnesium 1400 mg
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Score59
A larger supply of a strong oxide laxative, still poorly suited to everyday magnesium support and costly for its narrow role.
How scoring works
Capsule
Quantity:120 Capsule(s) • (30 servings)
Goals:
Digestive Health

Score 59

A larger supply of a strong oxide laxative, still poorly suited to everyday magnesium support and costly for its narrow role.
How scoring works

Also available as

1 option
60 servings Magnesium 1400 mg • 60 Capsule(s) • 15 servings $29.95 ($1.99 per serving)
$49.95($1.66 per serving)
Pure Formulas
$ 49.95
iHerb
$ 49.95
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Analysis

Most of the ozonated magnesium oxide is expected to act in the gut instead of supplying magnesium efficiently to the body. Natural citric acid supports the product concept but does not resolve the absorption weakness.

The high amount is designed to provoke bowel movement and may act more aggressively than routine magnesium citrate products. It offers little breadth for general digestive support because it contains no fiber, probiotic, or mucosal-support ingredients.

More capsules improve package longevity, yet the cost per serving remains high compared with standard magnesium. Buyers should view it as a specialized laxative product and not as everyday mineral nutrition.

Who is it for
  • Adults seeking the product’s specific bowel-cleansing effect
  • Users able to monitor hydration and tolerance carefully
Best for
  • Occasional targeted laxative use
  • People who prefer capsules over laxative powders

Pros

  • Larger package than the smaller version
  • Clearly targeted bowel action
  • Capsule format
  • Includes citric acid

Cons

  • Weak systemic magnesium value
  • Extremely large stated amount
  • Expensive per serving
  • No broader gut-support ingredients

Warnings

  • A full 1,400 mg oxide serving may trigger severe diarrhea, cramping, or urgency.
  • Repeated fluid loss can disturb hydration and electrolytes.
  • People with impaired kidney function may not clear supplemental magnesium safely.
  • Severe pain, vomiting, or ongoing constipation needs assessment rather than escalating this product.

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

65 High 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

37 Lower 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
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
Magnesium (ozonated Magnesium Oxides) · 1400 mg OverallScore37
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.

View ingredientView products
Loading alternative details
85 Performance

Magnesium Bisglycinate Chelate

Healthy Origins
<p>TRAACS magnesium bisglycinate provides premium absorption quality, a useful elemental amount, and exceptional serving value in a clean powder. Compared with Oxy-Powder, its magnesium form and supporting ingredients may be a better fit where the very large amount can cause diarrhea, cramping, dehydration, and electrolyte loss, so it is poorly suited to routine mineral use, while the product is narrow rather than comprehensive, and its relatively weak satisfaction metric deserves consideration despite the strong formula.</p>
91 Performance

Krebs Magnesium Potassium Complex

Nature's Way
<p>Magnesium lysinate and malate provide favorable forms at a useful amount, with a modest potassium contribution. Compared with Oxy-Powder, its magnesium form and supporting ingredients may be a better fit where the very large amount can cause diarrhea, cramping, dehydration, and electrolyte loss, so it is poorly suited to routine mineral use, while the focused formula offers excellent serving value.</p>
83 Performance

Albion Chelated Magnesium Glycinate

Swanson Ultra
<p>Patented TRAACS magnesium bisglycinate supplies a substantial magnesium amount in a focused formula. Compared with Oxy-Powder, its magnesium form and supporting ingredients may be a better fit where the very large amount can cause diarrhea, cramping, dehydration, and electrolyte loss, so it is poorly suited to routine mineral use, while value is reasonable after accounting for absorption quality.</p>
83 Budget

Magnesium Citrate Pure Powder

Best Naturals
<p>A well-aligned amount of magnesium citrate delivers useful absorption in a focused powder. Its lower recurring cost than Oxy-Powder makes it a more economical magnesium option, while the simple formula and very low serving cost provide strong value, with digestive tolerance as the main practical uncertainty.</p>
80 Budget

Magnesium Caps 500 mg

Life Extension
<p>Citrate, succinate, and a named glycinate chelate strengthen a multi-form magnesium blend, while oxide lowers average absorption. Its lower recurring cost than Oxy-Powder makes it a more economical magnesium option, while the large supplemental amount may cause diarrhea or cramping, although the very low serving cost provides strong value for users who tolerate it.</p>
84 Budget

Potassium + Magnesium

Nutricost
<p>A meaningful magnesium citrate amount anchors a simple two-mineral electrolyte formula. Its lower recurring cost than Oxy-Powder makes it a more economical magnesium option, while potassium is modest, but the focused design and very low serving cost support excellent everyday value.</p>
84 Value

Magnesium Bisglycinate Chelate

Healthy Origins
<p>TRAACS magnesium bisglycinate provides premium absorption quality and a useful elemental amount in a clean tablet. Compared with Oxy-Powder, its magnesium profile and lower recurring cost create a more favorable quality-to-cost balance, while the focused formula offers strong value but remains limited to one foundational mineral pathway.</p>
88 Value

Magnesium Bisglycinate Powder

NOW
<p>Magnesium bisglycinate supplies a well-absorbed form at a practical, moderate amount. Compared with Oxy-Powder, its magnesium profile and lower recurring cost create a more favorable quality-to-cost balance, while no meaningful dose or formulation concern is evident from the supplied facts.</p>
81 Value

Ultra-Mag

Source Naturals
<p>A broad organic magnesium blend supplies strong form diversity and a substantial amount at an economical cost. Compared with Oxy-Powder, its magnesium profile and lower recurring cost create a more favorable quality-to-cost balance, while the label does not clarify each form share, while high supplemental magnesium and prolonged B6 use may affect tolerability.</p>
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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. 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
  4. Diagnosis of magnesium-induced diarrhea.
    Fine KD; Santa Ana CA; Fordtran JS · The New England journal of medicine · 1991
    Clinical trial19 participantsDigestive Health forMagnesium
  5. 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
  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. 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
  8. 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
  9. 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