Learn more about magnesium-extra-strength
The average retail price for Magnesium Extra Strength is $11.53 per 30, 400mg capsules, but you can pay just $5.40 for 30, 400mg capsules with your SingleCare discount card. Magnesium Extra Strength is a generic medication.
Edit your dosage
Get alerted when the price
changes more than 10%
changes more than 10%
Match your prescription details
30 capsule, 400mgEdit
$8.40
$ 5.40
$3 off with signupwith signup
Show this free card to your pharmacist.
This coupon is not insurance.
$12.27
$ 9.27
$3 off with signupwith signup
$12.27
$ 9.27
$3 off with signupwith signup
$ 12.13
$17.03
$ 14.03
$3 off with signupwith signup
$ 14.13
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: 03/22/2026
Save big on your prescriptions
with the free SingleCare app.
4.8 average ratingText a link to get the app
About Magnesium Extra Strength
The average retail price for Magnesium Extra Strength is $11.53 per 30, 400mg capsules, but you can pay just $5.40 for 30, 400mg capsules with your SingleCare discount card. Magnesium Extra Strength is a generic medication.
Learn more about magnesium-extra-strength
Magnesium Extra Strength Price History & Information
Price History for Magnesium Extra Strength (Branded Generic) & Magnesium Oxide (Generic)
30 count, capsule, 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 Extra Strength (Branded Generic) & Magnesium Oxide (Generic)
30 count, capsule, 400mg| Pharmacy | Magnesium Extra Strength Retail Price | Magnesium Oxide Retail Price | Magnesium Oxide SingleCare Price |
|---|---|---|---|
| Walgreens | - | $9.90 | $9.60 |
| Kroger Pharmacy | $6.00 | $6.00 | $6.00 |
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 Extra Strength
The average retail price for Magnesium Extra Strength is $11.53 per 30, 400mg capsules, but you can pay just $5.40 for 30, 400mg capsules with your SingleCare discount card. Magnesium Extra Strength is a generic medication.
Magnesium Extra Strength FAQs
How much is Magnesium Extra Strength with SingleCare?
The generic of Magnesium Extra Strength costs $5.40 for 30, 400mg capsules with a free Magnesium Extra Strength coupon from SingleCare. But, you could lower this cost more depending on your Rx information. Use the dropdown menu above to update your Rx details (i.e., brand/generic, form, dosage, quantity) to see the most accurate prices of Magnesium Extra Strength with SingleCare near you.
How much does Magnesium Extra Strength cost without insurance?
The normal retail cost of Magnesium Extra Strength without health insurance is $11.53 per 30, 400mg capsules though you can save money using a SingleCare Magnesium Extra Strength coupon to pay $5.40 for 30, 400mg capsules of generic Magnesium Extra Strength. People without access to health insurance can always use SingleCare for free Magnesium Extra Strength coupons. You can also reduce your price on Magnesium Extra Strength by requesting the generic form of Magnesium Extra Strength if a generic option is being produced. Magnesium Oxide (Mg Supplement) on average costs dramatically less than Magnesium Extra Strength.
How much does Magnesium Extra Strength cost with insurance?
Each individual insurance program is different and may or may not cover Magnesium Extra Strength. The cost of Magnesium Extra Strength with insurance coverage differs depending on your plan - verify with your insurance company for definitive drug coverage and coinsurance details. If your insurance does not include Magnesium Extra Strength, you can use SingleCare to save money on Magnesium Extra Strength at your participating pharmacies. Additionally, you can also use SingleCare savings if you have Medicare or Medicaid. If Medicare or Medicaid doesn’t offer your Magnesium Extra Strength prescription, you can use SingleCare instead. Visit the SingleCare website or app to review the lowest cost of Magnesium Extra Strength with SingleCare versus your Magnesium Extra Strength cost with insurance or Medicare.
How to use SingleCare for Magnesium Extra Strength
SingleCare coupons are accepted at most major pharmacies and grocery stores, i.e., Walgreens, Kroger, Walmart, CVS, Safeway, and more. You can text, email, print, or save your free Magnesium Extra Strength coupon to your mobile wallet and show a pharmacist at the counter.
What is the generic of Magnesium Extra Strength?
Magnesium Extra Strength is a branded drug created by Princeton Research. The generic form of Magnesium Extra Strength is Magnesium Oxide (Mg Supplement) and is usually dramatically cheaper than the typical cost of brand-name Magnesium Extra Strength, which is $11.53 per 30, 400mg capsules, but is made up of the same ingredients as Magnesium Extra Strength. Use a SingleCare discount card to pay $5.40 for 30, 400mg capsules of generic Magnesium Extra Strength.
Where are Magnesium Extra Strength coupons from SingleCare accepted?
SingleCare is accepted at most national pharmacies and grocers, including the following:
Subscribe to our savings newsletter
Health education, drug info, wellness & more
By clicking 'Subscribe', I agree to SingleCare's Terms & Conditions.
