Learn more about magnesium-oxide
Magnesium Oxide costs $22.78 per 90, 400mg tablet without insurance. Use the SingleCare Magnesium Oxide coupon to pay as little as $12.04 for 90, 400mg tablets of Magnesium Oxide.
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About SingleCare Pricing
SingleCare’s prescription prices are based on multiple sources. The prices we publish are our best estimate, but we cannot guarantee that the price we display will exactly match the price you receive at the pharmacy. For an exact price, please contact your pharmacy and provide the BIN/GRP/PCN numbers shown on your SingleCare card.
Any SingleCare bonus savings, including the $3 signup bonus, may only be used once.
Prices updated: 12/20/2025
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About Magnesium Oxide
Magnesium Oxide costs $22.78 per 90, 400mg tablet without insurance. Use the SingleCare Magnesium Oxide coupon to pay as little as $12.04 for 90, 400mg tablets of Magnesium Oxide.
Learn more about magnesium-oxide
Magnesium Oxide Price History & Information
Price History for Magnesium Oxide (Generic) & Magox 400 (Brand)
90 count, tablet, 400mgOur price history metrics are calculated from aggregate prescription data that we receive from all participating pharmacies. This chart updates daily to show new price fluctuations. If a data point is missing from the chart, it is because we do not have enough data to produce a reliable figure.
Average 1-Month Prices for Magnesium Oxide (Generic) & Magox 400 (Brand)
90 count, tablet, 400mg| Pharmacy | Magox 400 Retail Price | Magnesium Oxide Retail Price | Magnesium Oxide SingleCare Price |
|---|---|---|---|
| Walmart | - | $11.40 | $9.00 |
| Walgreens | $22.50 | $15.57 | $11.44 |
| Kroger Pharmacy | - | $18.37 | $17.81 |
| Albertsons Pharmacy | - | $11.70 | $11.70 |
These prices are based on the last month of SingleCare prescription fill data by major pharmacy. This table updates daily to show the most accurate typical prices by pharmacies. If a data point is missing from the table, it is because we do not have enough data to produce a reliable figure.
About Magnesium Oxide
Magnesium Oxide costs $22.78 per 90, 400mg tablet without insurance. Use the SingleCare Magnesium Oxide coupon to pay as little as $12.04 for 90, 400mg tablets of Magnesium Oxide.
Where are Magnesium Oxide coupons from SingleCare accepted?
SingleCare is accepted at most national pharmacies and grocers, including the following:
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