Kruses Fluid Magnesia 300ml
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Kruses Fluid Magnesia 300ml

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3 in stock online - for in-store availability please call your local store



Kruses Fluid Magnesia is a therapeutic magnesium supplement to improve general well-being and correct magnesium deficiency. Rapidly absorbed. Easily digested. Antacid, helps relieve indigestion, flatulence, heartburn and dyspepsia when due to acidity.

Special Features

  • Corrects magnesium deficiency and improves general well-being
  • Assists with many conditions associated with magnesium deficiency, such as cramping
  • A gentle antacid to relieve indigestion in times of stomach acidity
  • Proven to be effective for over 140 years
  • Concentrated magnesium bicarbonate
  • May be given to the youngest child
  • Rapidly absorbed & easily digested


General well-being: 25-50mL Once a day
Magnesium deficiency: 50-100mL 2-3 times a day
Antacid, mild laxative: 50-100mL 2-3 times a day
Children 6-12 years: 25-50mL 1-2 times a day
Infants up to 5 years: 5-10mL 1-2 times a day

May be taken undiluted or with water. Add to milk for infants.

Kruses Fluid Magnesia can be given to children with gastric disturbances and can be taken by adults of all ages. It is contraindicated only where there is severe renal failure.


Each litre of Kruse’s Fluid Magnesia contains:
Magnesium bicarbonate 29,930mg
This is equal to Magnesium 4,920mgThe magnesium bicarbonate is formed from 8,200mg magnesium oxide solubilised with carbon dioxide. It is slightly effervescent.

Magnesium is critical to many cellular functions including energy production, protein formation and cellular replication. With calcium it is essential for teeth and bone maintenance.


Vitamin supplements should not replace a balanced diet.
If symptoms persist, seek medical advice.

Care should be taken to keep the bottle tightly sealed to prevent the formation of crystals. If crystals do form, shake well and use in the normal way. The crystals are still as useful medically as when in solution.

Delivery Costs

Free Shipping

Standard Parcels (under 3kg) over $149 = FREE!

Parcels under 3kg & under $149 = $7.95
Parcels over 3kg or bulky over $149 = $12.95
Parcels over 3kg or bulky under $149 = $16.95


We offer Express Shipping for parcels up to 5kg

Parcels under 1kg = $12.95
Parcels between 1-5kg = $19.95

- Express shipping is not available to PO Box addresses.
- Signature is required on delivery.

Your Discount Chemist use Australia Post to deliver standard parcels and Star Track for express shipping requests.

Delivery Time

Parcels arrive within 3-7 business days.
Express shipped parcels arrive within 1-3 business days (this may be slightly longer for remote country areas).

International Shipping

We offer fast flat rate express shipping all over the world based on 8 zones - these rates apply to all non-bulky parcels under 2kg*.

Destination Cost Delivery Times*

Zone 1 New Zealand


2-3 days

Zone 2 China, Japan, Hong Kong


3-4 days

Zone 3 Rest of Asia


3-4 days

Zone 4 Canada & U.S


3-4 days

Zone 5 Pacific Islands


3-4 days

Zone 6 Major Europe + GB


3-4 days

Zone 7 Rest of Europe


3-5 days

Zone 8 Rest of the World


4-6 days


*All orders over 2kg and or bulky orders will be charged at different rates which will be quoted at checkout. 
*Estimated delivery time in business days. Excludes time in customs if applicable and may be subject to delay due to causes outside of Australia Post's control.

Click here for more detailed information regarding shipping.


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