Magox 400 Coupons & Prices

Magnesium Oxide

Magox 400 is a Magnesium class drug made by PRESTIGE BRANDS. The typical out-of-pocket price for Magox 400 is $17.97 per 90, 400mg tablet, but you can pay $12.25 for 90, 400mg tablets of Magox 400 with your SingleCare discount card.

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5 tablet400 (240 mg)mgEdit

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Magox 400 coupon at Publix Pharmacy
$15.25
$ 12.25
$3 off with signupwith signup

Show this free card to your pharmacist.

This coupon is not insurance.
Magox 400 coupon at Kroger Pharmacy
$18.09
$ 15.09
$3 off with signupwith signup
Magox 400 coupon at Harris Teeter Pharmacy
$18.09
$ 15.09
$3 off with signupwith signup

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: 09/18/2026

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About Magox 400

Magox 400 is a Magnesium class drug made by PRESTIGE BRANDS. The typical out-of-pocket price for Magox 400 is $17.97 per 90, 400mg tablet, but you can pay $12.25 for 90, 400mg tablets of Magox 400 with your SingleCare discount card.

Magox 400 Price History & Information

Price History for Magox 400 (Brand) & Magnesium Oxide (Generic)

90 count, Tablet, 400mg

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.

Average 1-Month Prices for Magox 400 (Brand) & Magnesium Oxide (Generic)

90 count, Tablet, 400mg
PharmacyMagox 400 Retail PriceMagnesium Oxide Retail PriceMagnesium Oxide SingleCare Price
Walmart-$9.90$5.96
Walgreens$16.20$38.28$26.05
Kroger Pharmacy-$20.09$19.36
Albertsons Pharmacy-$11.70$8.10

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 Magox 400

Magox 400 is a Magnesium class drug made by PRESTIGE BRANDS. The typical out-of-pocket price for Magox 400 is $17.97 per 90, 400mg tablet, but you can pay $12.25 for 90, 400mg tablets of Magox 400 with your SingleCare discount card.

Magox 400 FAQs

How much is Magox 400 with SingleCare?

Magox 400 costs $12.25 for 90, 400mg tablets with a free Magox 400 coupon from SingleCare.  However, you could pay less depending on your prescription 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 near you.

How much does Magox 400 cost without insurance?

The normal counter cost of Magox 400 without health insurance is $17.97 per 90, 400mg tablet though you can save money using a SingleCare Magox 400 coupon to pay $12.25 for 90, 400mg tablets of Magox 400. People without access to an insurance plan can always use SingleCare for free Magox 400 coupons.

How much does Magox 400 cost with insurance?

Each specific insurance formulary is distinct and may or may not cover Magox 400. The cost of Magox 400 with insurance coverage varies depending on your plan - contact your insurance carrier for specific formulary coverage and copay specifics. If your insurance plan does not include Magox 400, you can use a SingleCare card to save on Magox 400 at your participating pharmacy. In addition, you can also use SingleCare savings if you have Medicare or Medicaid. When Medicare or Medicaid doesn’t cover your Magox 400 fill, use SingleCare instead. Use the SingleCare website or app to find the lowest cost of Magox 400 with SingleCare versus your Magox 400 price with insurance or Medicare.

Is generic Magox 400 available?

Magox 400 is a brand-name medication produced by PRESTIGE BRANDS. There is no generic form of Magox 400 available at this time.

How to use SingleCare for Magox 400

SingleCare is accepted at most major pharmacies and grocers, 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. 

Where are Magox 400 coupons from SingleCare accepted?

SingleCare is accepted at most national pharmacies and grocers, including the following:

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