Magnesium Carbonate
Soothe digestive discomfort and support magnesium levels with this alkalising form
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90 capsules
90 day supply
per day
Guaranteed additive free
Highest purity
Therapeutically effective
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Have questions about Magnesium Carbonate?
"I get acid reflux and bloating after meals. Would this form of magnesium help with both?"
"I get bloating and acid reflux. Is this the right magnesium for me?"
"Can I take this alongside the magnesium in my multivitamin?"
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Soothe digestive discomfort and support magnesium levels with this alkalising form
Each capsule provides 117.5mg of elemental magnesium from magnesium carbonate. This form of magnesium has a dual function: it provides systemic magnesium for muscle relaxation, nerve function, energy production and sleep support, while also acting as a mild antacid by neutralising excess stomach acid. This makes it a practical choice for those who need magnesium supplementation and also experience occasional acid discomfort or heartburn.
Magnesium carbonate has moderate bioavailability. It requires stomach acid to convert it into absorbable magnesium chloride, which means it works best when taken with food. The 117.5mg elemental magnesium per capsule is a meaningful dose, providing 31% of the NRV in a single capsule. The vegetarian capsule shell is hydroxypropyl methylcellulose, making this suitable for most dietary requirements.
Key benefits:
- Soothes reflux and digestive discomfort
- Alkalising support for pH balance
- Gentle form for sensitive stomachs
| Each capsule contains: | %NRV* | |
|---|---|---|
| Magnesium | 117.5 mg | 31% |
† Nutrient Reference Value (NRV*) not established
Magnesium Carbonate, Hydroxypropyl Methylcellulose (capsule).
Directions for use:
Take 1 capsule per day with food.
Taking with a meal ensures adequate stomach acid is present to convert the magnesium carbonate into its absorbable form. If using specifically for its antacid properties, it can also be taken after a meal when acid discomfort tends to occur.
For those needing higher magnesium doses for specific beneficial purposes (sleep, muscle cramps, stress), other forms such as Magnesium Bisglycinate or Magnesium Citrate may be more appropriate as they provide higher bioavailability without relying on stomach acid for conversion. Magnesium Carbonate is a solid choice for general magnesium maintenance, particularly when mild antacid support is also welcome.
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Suitable for men.
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Suitable for women.
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Suitable for people under sixteen years of age.
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If pregnant or breastfeeding consult your healthcare professional before purchasing and consuming this product.
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Suitable for vegetarians.
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Suitable for vegans.
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No gluten containing ingredients.
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No nut containing ingredients.
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No dairy containing ingredients.
If you are taking medication consult your prescribing physician before purchasing and consuming supplements.
Store in a cool dry place.
Keep out of reach of children.
Information displayed does not constitute medical advice.
This product should not be used as a substitute for a varied diet.
Once opened, consume within 3 months.
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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From our Health Reference Library
Magnesium: glycinate vs citrate vs malate vs threonate?
Magnesium comes in several different chemical forms when sold as a supplement, and they are not interchangeable. They absorb at different rates and have different evidence bases for specific uses. Glycinate is well tolerated and absorbed via a different gut pathway than oxide, making it the typical default for general supplementation, sleep, and anxiety. Citrate is well absorbed but has a more pronounced laxative effect at higher doses. Malate fits energy metabolism contexts. L threonate is brain penetrant for cognitive applications. A 2022 systematic review in the journal Nutrition confirms that direct head to head trials comparing forms for specific clinical outcomes remain limited.
Frequently asked questions
What is Magnesium Carbonate good for?
Magnesium Carbonate supports relaxation, sleep quality, muscle recovery, and stress resilience. Magnesium is involved in over 300 enzymatic reactions.
When should I take Magnesium Carbonate?
Take in the evening, 30-60 minutes before bed for sleep support.
What are signs I might need magnesium?
Common signs include muscle cramps, poor sleep, anxiety, fatigue, and tension headaches.
Can I take magnesium with other supplements?
Yes, magnesium pairs well with vitamin D, zinc, and B vitamins. Space from calcium by 2 hours for optimal absorption.
How long until I notice results?
Many people notice improved sleep and relaxation within 1-2 weeks. Full benefits develop over 4-8 weeks of consistent use.
What makes this form of magnesium different?
Different forms have different benefits. Bisglycinate is best for sleep and relaxation, citrate for constipation, and malate for energy.
