Reviewed by Dr. Younghun Cho
Pharmacist's Verdict
Nature Made Magnesium Oxide is an affordable supplement, but its poor absorption and high likelihood of causing diarrhea make it a less effective choice for correcting a deficiency compared to other forms like magnesium citrate or glycinate.
Ingredient Analysis
Magnesium Oxide
Pros & Cons
Pros
- Very inexpensive and widely available at most pharmacies and grocery stores.
- The 250 mg tablet is relatively small and easy to swallow.
- Can be effective as a short-term laxative for occasional constipation.
- Provides 60% of the recommended daily value of magnesium in a single dose.
Cons
- Poorly absorbed by the body, meaning you get less magnesium into your system than the label suggests.
- Commonly causes digestive side effects like diarrhea, cramping, and bloating.
- Not ideal for correcting a true magnesium deficiency due to its low bioavailability.
- Can interact with certain antibiotics (like ciprofloxacin) and osteoporosis medications, reducing their effectiveness.
Research & References
FDA and PubMed citations are being compiled for this product.