New Zealand's Health Supplements & Vitamins Specialists - Delivering to Australia for over 20 years
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Good Health

Good Health Magnesium Sustained Release 500mg


60 tablets

RRP: $27.30

You save 30% ($8.30)


RRP: $27.30

You save 30% ($8.30)

Good Health Magnesium Sustained Release - slow release marine magnesium to help you through the day.

Magnesium Sustained Release is a unique product, specifically designed to slowly release magnesium in your body over 8 hours, allowing your body to properly absorb and utilize magnesium as it needs it, without any negative digestive effects.

Magnesium Sustained Release is a high strength magnesium formula that is made from Aquamin Mg. Aquamin Mg is marine sourced magnesium, derived from seawater and so it naturally contains many other trace minerals too. This natural marine form makes it easily utilised in the body.


Adults: Take 1 tablet daily or as professionally prescribed


  • Kidney disease and renal failure
  • Take 2 hours away from antibiotics
  • SAFE to take during pregnancy and breastfeeding
Ingredients: (per capsule)  
Aquamin Marine Magnesium
Equiv. Magnesium

Pyridoxine Hydrochloride (Vitamin B6) 30mg
Cholecalciferol (Vitamin D3) 150IU

Good Health

Good Health is a proudly New Zealand operated business, started over a quarter of a century ago by John Blanchard. John’s agricultural career background led him to become fascinated with the health benefits of herbal and oil seed crops, so much so that in 1987 he opened the doors for business, and Good Health began. Today, John’s sons Dave and Brian remain involved in their iconic New Zealand company. As a business, Good Health has grown - they now offer a range of over 350 products to boost natural immunity and enhance health and vitality.

Along with monitoring recent scientific studies and international research, Good Health strives to improve your general health and wellbeing by using only the purest ingredients and sustainable resources.

When you browse our Good Health brand range, you’ll find products that may aid with weight management, immune support and also digestive health, as well as much more.

Your satisfaction is of paramount importance to us! If we can help in any way please contact us using the details below.

Email: [email protected]

Australia Free Phone: 1800 040 156

Other Countries Phone: +64 3 265 9758

Live Chat: Between the hours of 7am – 3pm AEST

You can also subscribe to the HealthPost email newsletter for all the latest news, health info and exclusive special offers. Find out more about our guarantee, payment options and delivery times, or view our FAQs page for frequently asked questions and answers.

We also highly recommend reading product reviews. They can be a great way of finding out that little bit extra about products you're interested in.

We publish all helpful customer reviews, including negative reviews - these are genuine!

Customer Reviews

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Awesome Review by

All good health products are awesome and the sustained magnesium is one of the best!
We have really noticed a difference with our sleep using this - Amazing! And so well priced!

Good Health Magnesium Sustained Release Review by

I prefer Good Health Magnesium Sustained Release as found I was more relaxed when driving and more in control so will get them next time.

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Product Highlights

  • High strength 500mg marine magnesium
  • Slow release - over 8 hours for sensitive systems
  • Naturally derived from seawater
  • 1-a-day formula


  • TRUSTED NZ SUPPLIER To Australia for over 20 years
  • FREE DELIVERY Free Tracked Airmail Delivery within Australia When You Spend Over $79
  • EARN BONUS Reward Points With Every Order learn more

    30 Days Hassle Free Return Service

    Your satisfaction is extremely important to us. Any problems will be addressed in a friendly and efficient manner, with your total satisfaction as our over-riding concern.

    Our Return Policy

    If you have changed your mind about a product and it is in re-saleable condition (unopened, with undamaged packaging) you can return it within 30 days of receipt for a full refund.

    For more info on returns, visit our Guarantee page.

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