chromium picolinate vs magnesium oxide
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
Side-by-side comparison of chromium picolinate and magnesium oxide. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Chromium
Mag-Ox
Chromium picolinate is a mineral supplement. It is used to support the pancreas.
Magnesium oxide (Mag-Ox) is a mineral supplement. It helps relieve acid indigestion and upset stomach.
This supplement is used to provide support to the pancreas. It is a homeo-nutritional product. This means the claims are based on traditional homeopathic practices.
Mag-Ox treats acid indigestion and upset stomach. It works by reducing the amount of acid in your stomach. Talk to your doctor if your symptoms do not improve.
This product is a mineral supplement. It is intended to provide nutritional support. It is not evaluated by the FDA.
Mag-Ox contains magnesium oxide, which neutralizes stomach acid. This helps to reduce discomfort caused by excess acid. It provides relief from indigestion and upset stomach.
No common side effects listed.
- • Diarrhea
No adverse event reports.
- Nausea 2,795
- Diarrhoea 2,580
- Fatigue 2,419
- Dyspnoea 2,054
- Pneumonia 2,029
This product's claims have not been evaluated by the FDA.
No specific warnings noted.
No pregnancy information available.
Talk to your doctor before taking Mag-Ox if you are pregnant or breastfeeding. They can help you weigh the risks and benefits.
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How to Read This chromium picolinate vs magnesium oxide Comparison
chromium picolinate is classified in the Mineral Supplement drug class, while magnesium oxide sits within the Mineral Supplement class. Because both drugs share the same classification, they are often considered interchangeable in theory, but clinical outcomes rarely track that cleanly. Both drugs are available over the counter.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, chromium picolinate has 0 submissions while magnesium oxide has 11,877. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for chromium picolinate or magnesium oxide.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.