Magox 400 is a Magnesium class drug made by Prestige Brands. The typical retail price for Magox 400 is $17.87 per 90, 400mg tablets, but you can pay just $12.04 for 90, 400mg tablets of Magox 400 with the SingleCare card.
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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: 12/05/2025
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Magox 400 is a Magnesium class drug made by Prestige Brands. The typical retail price for Magox 400 is $17.87 per 90, 400mg tablets, but you can pay just $12.04 for 90, 400mg tablets of Magox 400 with the SingleCare card.
Our 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.
| Pharmacy | Magox 400 Retail Price | Magnesium Oxide Retail Price | Magnesium Oxide SingleCare Price |
|---|---|---|---|
| Walmart | - | $11.47 | $9.22 |
| Walgreens | $22.50 | $15.71 | $11.43 |
| Kroger Pharmacy | - | $18.23 | $17.71 |
| 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.
Magox 400 is a Magnesium class drug made by Prestige Brands. The typical retail price for Magox 400 is $17.87 per 90, 400mg tablets, but you can pay just $12.04 for 90, 400mg tablets of Magox 400 with the SingleCare card.
Magox 400 costs $12.04 for 90, 400mg tablets with a free Magox 400 coupon from SingleCare. You could pay less depending on your Rx information. Use the dropdown menu above to enter your Rx info (i.e., generic/brand, quantity, dosage, form) to get the most accurate prices of Magox 400 with SingleCare at your local pharmacies.
The normal out-of-pocket price of Magox 400 without health insurance is $17.87 per 90, 400mg tablets though you can save using a SingleCare Magox 400 coupon to pay just $12.04 for 90, 400mg tablets of Magox 400. If you don’t have insurance coverage can always use SingleCare for free Magox 400 offers.
Each insurance plan is distinct and may or may not cover Magox 400. The cost of Magox 400 with insurance coverage differs according to your plan - check with your insurance company for appropriate medication coverage and copay information. If your insurance plan does not include Magox 400, you can use SingleCare to get a better rate on Magox 400 at your participating pharmacy. In addition, you can also use SingleCare discounts if you have Medicare or Medicaid. In the event that Medicare or Medicaid doesn’t provide coverage your Magox 400 prescription, use SingleCare instead. Go to the SingleCare website or app to compare the lowest cost of Magox 400 with SingleCare versus your Magox 400 price with insurance or Medicare.
Magox 400 is a brand-name-only drug made by Prestige Brands. There is no generic variant of Magox 400 available at this time.
You can use SingleCare coupons at most major pharmacies and grocery stores, including Walgreens, Kroger, Walmart, CVS, Safeway, and more. You can text, email, print, or save your free Magox 400 coupon to your digital wallet and show your pharmacist at checkout.
SingleCare is accepted at most national pharmacies and grocers, including the following:
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