Magnesium Carbonate Capsules
A high dose magnesium that turns to chloride in the stomach.
90 capsules
90 day supply
£0.25 per day £0.25 per capsule
Guaranteed additive free
Highest purity
Practitioner grade
Free Standard UK delivery over £50.00
30 day returns
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Magnesium carbonate is a mineral salt of magnesium. It reacts with stomach acid to form magnesium chloride, which is then absorbed.
Magnesium supports energy release, muscle function, the nervous system and bones, and contributes to the reduction of tiredness and fatigue. Carbonate is alkaline, so it is often chosen by people who also want to settle an acidic stomach.
Each capsule provides magnesium carbonate with no fillers or binders, in a vegetable capsule suitable for vegans. It gives a high dose of magnesium in a single capsule.
| Each capsule contains: | %NRV* | |
|---|---|---|
| Magnesium | 117.5 mg | 31% |
† Nutrient Reference Value (NRV*) not established
Also listed as magnesium(II) carbonate, MgCO3.
Suitable for men.
Suitable for women.
Consult your healthcare practitioner before use if pregnant or breastfeeding.
Suitable for vegetarians.
Suitable for vegans.
No gluten containing ingredients.
No nut containing ingredients.
No dairy containing ingredients.
If you are taking prescribed medicines or under medical supervision, consult your healthcare practitioner before use.
Store in a cool dry place.
Keep out of reach of children.
This information is not a substitute for advice from a healthcare practitioner.
This product should not be used as a substitute for a varied diet.
Once opened, consume within 3 months.
UK Standard Delivery (Royal Mail Tracked 48, 2 to 4 working days) is £3.95, or free on orders of £50 or more. Express Delivery (Tracked 24, 1 to 2 working days) is £5.65, free on orders of £80 or more. Next Day Delivery (Royal Mail Special Delivery) is £8.50, free on orders of £120 or more; order before 2pm on a working day for next-working-day arrival. We dispatch Monday to Friday.
Delivery and worldwide shipping options are shown at checkout, with duties and taxes included.
Unopened items in their original packaging can be returned within 30 days of delivery.
Quality promise
Why clinical grade matters
- ✓ GMP certified, pharmaceutical grade manufacturing
- ✓ Made in UK cleanroom facilities, ISO 9001 & ISO 14001 accredited
- ✓ No fillers, binders or additives, only active ingredients
- ✓ Fully traceable from raw material to finished product
- ✓ Non-GM, non-irradiated, 100% green energy manufacturing
Evidence
What the research shows
Our Health Reference Library is an ever-growing collection of peer-reviewed research and health guidance.
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Frequently asked questions
What is Magnesium Carbonate good for?
Magnesium carbonate provides systemic magnesium while also acting as a mild antacid, neutralising excess stomach acid. It suits those wanting magnesium plus occasional acid comfort.
When should I take Magnesium Carbonate?
Take with food, which provides the stomach acid needed to convert it for absorption. For acid comfort, it can be taken after a meal.
What are signs I might need magnesium?
Common signs include muscle cramps, poor sleep, low energy, and tension. A blood test can confirm your level.
Can I take magnesium with other supplements?
Magnesium pairs well with vitamin D, zinc and B vitamins. Space it from calcium by around 2 hours for absorption.
How long until I notice results?
Many people notice a difference within 1 to 2 weeks, with fuller benefits over 4 to 8 weeks of consistent use.
How does magnesium carbonate compare with citrate, bisglycinate and oxide?
Carbonate is a mineral salt that needs stomach acid to release its magnesium, and it is alkaline, so it settles acid at the same time. Citrate is already dissolved and absorbs well but can loosen the bowel at higher doses. Bisglycinate is bound to glycine, is the gentlest on the stomach and is the usual evening choice. Oxide carries the most magnesium by weight but the least is absorbed. Carbonate suits people who want a high magnesium dose per capsule and welcome the antacid effect; it is best taken with a meal.
Why capsules rather than tablets?
Tablets need binders, fillers and a coating to hold their shape. A capsule is a cellulose shell around the powder, so it carries no binders and breaks down quickly once swallowed.
