x 0
Skip to main content
Good Health

Good Health Mg Lax - Bowel support


60 capsules

RRP: NZ$20.90

You save 40% (NZ$8.30)


RRP: NZ$20.90

You save 40% (NZ$8.30)


RRP: NZ$20.90

You save 40% (NZ$8.30)

Good Health Mg Lax is a magnesium-based formula designed to naturally assist elimination by attracting water into the bowel to soften stool and encourage regular bowel motions. Herbal extracts of Fennel and Aloe Vera provide soothing and settling qualities for the bowel.

Use this formula only as directed.

To promote bowel health always drink plenty of water and incorporate fibre-rich foods such as fresh fruit and vegetables into the diet.


Rapid dose: Adults: Take 4 capsules 3 times daily for up to 3 days. Results may occur within 3-6 hours.

Mild dose: Adults: Take 5 capsules daily for up to 2 weeks.

Magnesium supplementation dose: Adults: Take 1 capsule daily. This dose will not effect bowel regularity.

Best taken between meals or on an empty stomach for optimal effect.


Drink 1-3 litres of water daily while taking laxative dose.

If taking prescription medicine or if symptoms persist please consult your healthcare practitioner.

Not suitable for children under 6, for those with kidney disease, gastroenteritis or during pregnancy or breastfeeding.

Each Capsule Contains:

  • Magnesium Oxide 400mg
    • (Equiv. 241mg Magnesium)
  • Magnesium Sulphate 400mg
    • (Equiv. 50mg Magnesium)
  • Ascorbic Acid (Vitamin C) 50mg
  • Pyridoxine Hydrochloride (Vitamin B6) 2mg
  • Sodium Chloride 5mg
  • Potassium Chloride 20mg
    • (Equiv. 10mg Potassium) 
  • Aloe barbadensis Extract Equivalent to Dry Leaf (Aloe Vera) 50mg
  • Foeniculum vulgare Seed Powder (Fennel) 50mg

NO gluten, wheat, milk derivatives, yeast, artificial colour, flavour or preservative.

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]

New Zealand Free Phone: 0800 148 148

Other Countries Phone: +64 3 524 8414

Live Chat: Between the hours of 9.30am – 4pm

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

Write Your Own Review

You're reviewing: Mg Lax - Bowel support

Log in or Register to Write a Review

Items 1 to 10 of 50 total

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
per page
Would recommend Review by
  • star

Works well very happy

good health mg lax Review by
  • star

This product is amazing... I have had bowel fissures which were very painful and bled every time i went to the toilet .. the doctor wanted to remove them under general anaesthetic.. a nasty op where they cut the muscle.. anyway I decided not to go ahead with the op because of the risk and went to a health shop and was told these should help to relax the bowel muscles..... after taking 2 a day for 1 week... I had no bleeding and no pain... I now take 2 every night and I no longer have any problems.. I would totally recommend this product..

Best product I've ever used Review by
  • star

Having struggled with constipation my entire life, and tried every product on the market, Mg Lax has been the answer! I take 2 capsules with water at morning tea and go to the toilet easily EVERY morning. Fantastic!

Great Product Review by
  • star

Recommended by my local pharmacy. Fantastic service, received product really fast. Thoroughly recommend. Took a while to get dosage right, but now take one at night with good results.

Great Product - Highly Recommend Review by
  • star

I was diagnosed with IBS-C about 4 years ago and was suggested to take Mg Lax. 3-4 nightly before bed helps keep things regular (as well as diet change - FODMAP) and the magnesium helps me relax a little as I have difficulty sleeping (Martin & Pleasance Sleep Relief spray!). Tried Metamucil, high dose Vit C etc. but nothing is as good as Mg Lax. Definitely recommend.

Excellent product Review by
  • star

This product works so well. I care for a long term disabled person who cannot move and has had ongoing problems in this area. I find one a day of these keeps them regular.

Wonderful Product Review by
  • star

About 15 years ago I had major Bowel Surgery that was not completely successful and although the specialists tried a variety of different products to help me none seemed to work well until it was suggested to me ( not by a Doctor or Specialist ) that I try MG LAX that works wonderfully. The specialists have since told me if it works use it so I am. I use a dosage of 4 tablets daily to keep things regular, if I use less it doesn't work. I purchase at least 4 bottles at a time. Very fast service as I cannot be without this product. An absolutely wonderful reliable product and will need to be on them for the rest of my life unless I wish to go to a bag, that no one would do unless it is the last resort

A product well worth it's value. Review by
  • star

I have had a poor bowel ever since having my daughter by caesarean 8 years ago, became reliant on laxatives. Since I came across this product I will not be looking back and having to use a laxative again!!!! It took a bit of juggling to work out the right dosage for me. I did the rapid dose in the beginning but only had to take 2 lots of 4 tablets and it certainly worked!!!! Then I took 3 tablets per day and they only seemed to work every second day. I think it has just taken my body a little to adjust to them. I am now on 2 per day and they work every day. Brilliant product. Fast postage, I order 2 bottles at a time so that I won't be without them.

Get them to send to UK as the only thing that helps! Review by
  • star

After leaving NZ, I scoured UK shops and web looking for a product. One sea magnesium product helped a bit, but not like these! So i shipped them in. Nothing helps like this. Highly recommend you give these a go.

Great Find! Review by
  • star

Like this product. I just take one every second day after initially taking two a day, which I found too much, but now the lower dose seems to do the trick.

Items 1 to 10 of 50 total

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
per page

Product Highlights

  • Magnesium-based formula
  • Naturally supports bowel elimination
  • Encourages bowel regularity
  • Added Fennel and Aloe Vera



    We Deliver Worldwide

    International orders are welcome and we offer you a choice of either Airmail or Courier delivery to best suit your needs.

    Airmail to all countries is via an untracked service.  All Courier delivery options are tracked, and tracking details will be emailed to you with your order dispatch confirmation.

    The exact delivery cost of your order will be clearly displayed for your approval during the checkout process. You can estimate the delivery cost of the goods in your cart at any stage by using our 'Postage Estimator' on the Shopping Cart Summary page.

    See our Delivery page for more information.

    International Delivery Charges (all prices in NZD)


    See also dedicated site:

    Tracked Airmail (4-8 working days)
    $4.50 per order flat rate (free for orders over $79)

    Priority Courier (3-5 working days)
    $14.90 for up to 3kg, $5 per additional kg

    China including Hong Kong and Macau | 中国地区(包含香港和澳门)

    In the unlikely event you incur import tax on an order with a total value below NZD $250, HealthPost will reimburse you for the tax amount with Reward Points.

    如果您的订单被海关收税, HealthPost将报销您支付的关税(适用于价值在250纽币以下的订单)。
    偿还方式是将关税金额充值到您在HealthPost账户上的reward points里。

    April Special: EMS Courier Delivery | 4月EMS 邮费优惠政策: (3-8 working days)

    Orders less than NZD $88 total: $5 per kg flat rate

    Orders over NZD $88 total and under 5kg in total weight: FREE DELIVERY

    Orders over NZD $88 total and over 5kg in total weight: first 5kg are free then $5 per additional kg

    Japan, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand and Vietnam

    Airmail (5-15 working days)
    $5 first kg plus $10 per additional kg

    Courier (3-8 working days)
    $10 first kg plus $5 per additional kg

    Rest of East Asia

    Airmail (5-15 working days)
    $5 first kg plus $10 per additional kg

    Courier (3-8 working days)
    $70 first kg plus $20 per additional kg

    USA, UK & Europe

    Airmail (5-15 working days)
    $10 first kg plus $10 per additional kg

    Courier (3-8 working days)
    $20 first kg plus $5 per additional kg (selected countries – see *)
    Or $70 first kg plus $20 per additional kg

    South Pacific

    Airmail (5-15 working days)
    $10 first kg plus $10 per additional kg

    Courier (3-8 working days)
    $20 first kg plus $5 per additional kg to Cook Islands, Samoa, Tonga and Vanuatu
    Or $70 first kg plus $10 per additional kg

    Rest of World

    Airmail (5-15 working days)
    $20 first kg plus $15 per additional kg

    Courier (3-8 working days)
    $30 first kg plus $10 per additional kg (selected countries – see **)
    Or $70 first kg plus $20 per additional kg

    * $20 first kg delivery to USA, UK, Europe is only available to:

    Austria, Belgium, Canada, Croatia, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Netherlands, Norway, Poland, Portugal, Romania, Slovenia, Spain, Sweden, Switzerland, United Kingdom and USA.

    ** $30 first kg delivery to Rest of World is only available to:

    Brazil, Costa Rica, Ecuador, El Salvador, Mexico and Uruguay

    Customs / Import Regulations

    Customs and import regulations vary widely between countries. Some of the products we sell via this website are prohibited for importation into certain countries. Unfortunately, it's not possible for us to be aware of all of the regulations specific to any given country. Where we are aware of any particular import restrictions, we endeavour to make note of this on the product detail page.

    HealthPost Ltd accept no liability for the refund/replacement of any goods or any costs relating to, or arising from, the importation or confiscation of any goods by your countries Customs Office or other government body. Read more about our Customs / Import Regulations Policy.

  • FREE NZ DELIVERY When You Spend Over NZ$79, Or Just $4.50 Per Order
  • 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.

Please wait...

  • Product successfully added to cart
You have in your Shopping Cart

Product successfully removed from cart

Checkout Continue Shopping

Please wait, processing your order...