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Price comparison

Price data powered by pricesAPI.io

Last updated at 15/07/2026 13:01:59

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Chemist Warehouse

$26.99

Mag-Sup 500mg 250 Tablets

Delivery between Thu – Fri $9.99

communitypharmacyonline.com.au

$29.15

Mag-sup Magnesium Aspartate 500mg Tablets 250's

Next-day delivery $14.70

eBay.com.au

$34.06

Mag-Sup Magnesium Tablets 500mg 250s

Delivery $8.95

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$36.50

Magsup 500mg Tablets 250s Mag-sup 250 Tabs Tab

Delivery $10.95

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$38.95

Mag-sup 500mg 250 Tablets

Delivery $10.95

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Choice Pharmacy

$36.95

MAG-SUP 500mg 250 Tablets

Delivery between 17–24 July $9.50

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

"Generic high potency magmesium supplement"
12 October 2016cremeburmese

originally posted on ebay.com

As a sufferer of nocturnal cramp, magnesium supplement is part of the normal medication protocol. My GP recommended up to 2 tablets 3 times a day. It is the difference between a good night sleep or broken sleep. This brand is significantly cheaper than the original manufacturer including postage.

Best magnesium in the market!
28 December 2022Frangilistic

originally posted on chemistwarehouse.com.au

Best & most effective magnesium. I was given this whilst in hospital & have continued with it for the past 2yrs. No cramps!

Best on the market
24 April 2019kelselz75

originally posted on ebay.com

I use Mag-Sup tablets for a magnesium deficiency I have. These are the best and highest dose tablets I can get. Ive tried others and always come back to these. Best value in a 250pack too.

Price comparison

Updated about 4 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
Chemist Warehouse

$26.99

Mag-Sup 500mg 250 Tablets

Delivery between Thu – Fri $9.99

communitypharmacyonline.com.au

$29.15

Mag-sup Magnesium Aspartate 500mg Tablets 250's

Next-day delivery $14.70

eBay.com.au

$34.06

Mag-Sup Magnesium Tablets 500mg 250s

Delivery $8.95

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$36.50

Magsup 500mg Tablets 250s Mag-sup 250 Tabs Tab

Delivery $10.95

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$38.95

Mag-sup 500mg 250 Tablets

Delivery $10.95

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

"Generic high potency magmesium supplement"
12 October 2016

As a sufferer of nocturnal cramp, magnesium supplement is part of the normal medication protocol. My GP recommended up to 2 tablets 3 times a day. It is the difference between a good night sleep or broken sleep. This brand is significantly cheaper than the original manufacturer including postage.

cremeburmese originally posted on ebay.com
Best magnesium in the market!
28 December 2022

Best & most effective magnesium. I was given this whilst in hospital & have continued with it for the past 2yrs. No cramps!

Frangilistic originally posted on chemistwarehouse.com.au
Best on the market
24 April 2019

I use Mag-Sup tablets for a magnesium deficiency I have. These are the best and highest dose tablets I can get. Ive tried others and always come back to these. Best value in a 250pack too.

kelselz75 originally posted on ebay.com
Can"t buy in NZ so thanks to Chemist Warehouse AU
24 January 2024

Moved back to NZ in August 2023 after working for 8 years in the Pilbara. My Pilbara doctors had recommended that I take 2 x Mag-Sup tabs daily, which I did. But I was unable to buy these in NZ so I bought them through Chemist Warehouse AU on the internet. Great price and really fast delivery.

originally posted on chemistwarehouse.com.au
Great price
27 November 2023

I have low magnesium levels and go through a lot of these. This was the best price I could find. Website easy to navigate, prompt postage. So thank you.

Arden originally posted on chemistdirect.com.au
Great stuff!!
8 April 2022

Been using since I discovered it after using the main brand one for a while . Recommend it to anyone needing relief from all sorts of muscular discomfort or pain . (Same product just cheaper! )

no1marilynfan originally posted on ebay.com
Leg Cramp Relief
20 March 2024

Bought because of severe leg cramps but after 3 weeks at 2 a night I had no leg cramps

Conway originally posted on chemistwarehouse.com.au
Mag-Sup 500mg 50 Tablets.
29 November 2023

I Was First Given This Same Brand Of Mag-Sup (Magnesium) In Hospital. I've Stuck To It Ever Since & Happy I Can Find It At Chemist Warehouse. It's Great For Those Who Have Heart Issues, That's Prescribed By The Specialist, But Also, It's Helped With My Leg & Feet Muscle Spasms & Cramps That I Was Getting When Asleep. Since Taking Mag-Sup, All Those Painful Effects Have Stopped & I Can Have A Restful Sleep. They Come I Different Size Bottles, But More Cheaper To Buy The Big One & I Also Love, That They're A Small Round Tablet That's Easy To Swallow, Compared To Other Brands That Are Like Horse Tablets & Make You Choke - Thank You.

Firefox originally posted on chemistwarehouse.com.au
Nightly leg cramps gone
29 April 2020

After medical advice about having leg cramps at night, I was told that I had a magnesium deficiency. I tried several proprietary over-the-counter brands, and strengths, with no success, when a friend recommended Mag-Sup 500mg. It as an almost instant success, and I've been taking them ever since.

bycgan-8 originally posted on ebay.com
Perfect and long lasting quantity
26 July 2022

Great quantity of pills for the price, cheaper than other pharmacy’s.This magnesium supplement is a big part in my parents everyday pills.

MJ86 originally posted on chemistwarehouse.com.au

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Mag Sup 500mg Tab 250
Mag Sup 500mg Tab 250
Mag Sup 500mg Tab 250

Mag Sup 500mg Tab 250

(41 reviews)

Mag-Sup is a high potency magnesium supplement for use in magnesium deficiencies. Magnesium is an essential mineral important for normal function of nerves, muscles, bones and heart. Suitable for vegetarians & vegans.

Mag-Sup is a high potency magnesium supplement for use in magnesium deficiencies. Magnesium is an essential mineral important for normal function of nerves, muscles, bones and heart. Suitable for vegetarians & vegans.

$26.99 - $38.95

in 6 offers

The lowest price for Mag Sup 500mg Tab 250 right now is $26.99 at Chemist Warehouse, compared across 4 retailers.

The all-time low was $16.24 on 17 July 2025 — today's price is 66% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 15 July 2026.

Mag Sup 500mg Tab 250

$26.99

(41 reviews)

Mag-Sup is a high potency magnesium supplement for use in magnesium deficiencies. Magnesium is an essential mineral important for normal function of nerves, muscles, bones and heart. Suitable for vegetarians & vegans.

Mag-Sup is a high potency magnesium supplement for use in magnesium deficiencies. Magnesium is an essential mineral important for normal function of nerves, muscles, bones and heart. Suitable for vegetarians & vegans.

Quantity:

50 Tablets