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Biocare BioMagnesium – 90 Vegetable Capsules

Biocare BioMagnesium – 90 Vegetable Capsules

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  • ✔️ Supports normal muscle function and helps reduce cramps
  • ✔️ Contributes to energy metabolism and reduces tiredness
  • ✔️ Magnesium citrate and malate forms for better absorption
  • ✔️ Vegan-friendly vegetable capsules with no artificial additives
  • ✔️ 90-capsule pack provides up to a 3-month supply

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What Are Magnesium Supplement Capsules and How Can They Help You?

 

Magnesium is one of the most important minerals your body relies on every single day. It contributes to normal muscle function, energy-yielding metabolism, the nervous system, and even psychological wellbeing — yet many people in the UK simply don't get enough from diet alone. Biocare BioMagnesium 90 Vegetable Capsules offer a convenient, food-supplement form of magnesium designed to help bridge that gap. If you're exploring options across our range of vitamins and supplements, this product is worth a closer look.

Each capsule delivers magnesium in two well-absorbed organic forms — magnesium citrate and magnesium malate — rather than the cheaper oxide form found in many budget products. The capsules are suitable for vegetarians and vegans, free from artificial additives, and come in a 90-capsule pack, giving you a generous supply at just £15.90.

 

How Does Biocare BioMagnesium Work in the Body?

 

Magnesium acts as a cofactor in more than 300 enzymatic reactions. That's a lot. It's involved in everything from converting food into usable energy to helping your muscles contract and relax properly. Here's a simplified breakdown of how it works:

  • Magnesium binds to ATP (adenosine triphosphate), the molecule your cells use for energy, making it biologically active.
  • It supports the transmission of nerve signals, helping regulate muscle contractions and preventing unwanted cramping.
  • It contributes to protein synthesis, which is important for tissue repair and general maintenance.
  • It plays a role in regulating neurotransmitters, which may support mood and psychological function.
  • It helps maintain normal bone structure by working alongside calcium and vitamin D.

The citrate and malate forms used in this product are organic salts that tend to be better absorbed in the gut compared to inorganic forms like magnesium oxide, making them a sensible choice for those who want to maximise the benefit of each capsule.

 

Who Should Consider Using Biocare BioMagnesium?

 

This supplement may be particularly useful if you recognise any of the signs associated with low magnesium intake. Symptoms of inadequate magnesium can include muscle cramps, fatigue, difficulty sleeping, and low mood — though these are non-specific and can have many causes. It's always worth speaking to your GP if you're concerned.

Biocare BioMagnesium may be suitable for:

  • Adults experiencing frequent muscle cramps or spasms
  • People with poor dietary intake of magnesium-rich foods (e.g. nuts, seeds, leafy greens)
  • Those who feel persistently tired or fatigued without a clear cause
  • Individuals looking to support normal sleep patterns naturally
  • Vegans and vegetarians seeking a plant-based capsule option

It is not intended to treat or cure any medical condition. If you suspect a clinical magnesium deficiency, your GP can arrange a blood test to confirm this.

 

How Does Biocare BioMagnesium Compare to Other Magnesium Supplements?

 

Feature Biocare BioMagnesium Standard Magnesium Oxide Supplement
Magnesium form Citrate & malate (organic) Oxide (inorganic)
Absorption rate Higher bioavailability Lower bioavailability
Capsule type Vegetable capsule (vegan-friendly) Often gelatin-based
Additives Free from artificial additives May contain fillers or binders

 

Is Biocare BioMagnesium Suitable for Long-Term Use and How Should It Be Stored?

 

For most healthy adults, taking magnesium supplement capsules daily over an extended period is considered safe when used within the recommended dose. The NHS advises that adults should not take more than 400 mg of magnesium per day from supplements, as higher doses can cause adverse effects including diarrhoea. Always check the label for the elemental magnesium content per capsule and stay within this limit. If you're also managing digestive discomfort, you might find our IBS and cramps range helpful alongside this supplement.

Store Biocare BioMagnesium below 25°C in a cool, dry place away from direct sunlight. Keep the lid tightly closed and store out of reach of children. Do not use after the expiry date printed on the packaging.

This product is a food supplement, not a medicine. However, speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Biocare BioMagnesium – 90 Vegetable Capsules specifications
Treatment category Mineral supplement / nutritional support
Mechanism of action Cofactor in enzymatic reactions supporting energy metabolism, muscle function, and nervous system regulation
Effective for Supporting normal muscle function, energy metabolism, psychological function, and reduction of tiredness
Suitable for Adults; vegetarians and vegans
Active ingredient Magnesium (as magnesium citrate and magnesium malate)
Pack size 90 vegetable capsules
UK classification Food supplement (not a licensed medicine)
Preparation Vegetable capsule
Route of administration Oral

Specifications of Biocare BioMagnesium – 90 Vegetable Capsules

 

What Is Biocare BioMagnesium and What Is It Used For?

 

Biocare BioMagnesium is a food supplement providing magnesium in two organic forms — citrate and malate — delivered in vegetable capsules suitable for vegans and vegetarians. It is used to support adequate magnesium intake where dietary sources may be insufficient. Magnesium contributes to a wide range of normal physiological functions, including energy-yielding metabolism, normal muscle function, maintenance of normal bones and teeth, normal protein synthesis, and normal psychological function. It also contributes to the reduction of tiredness and fatigue, and to the normal functioning of the nervous system — all of which are recognised nutrient reference values established by the European Food Safety Authority.

 

What Do You Need to Know Before Using Biocare BioMagnesium?

 

Although this is an over-the-counter food supplement, there are important considerations before you start taking it. Do not use this product if any of the following apply to you without first speaking to your GP or pharmacist:

  • You have kidney disease or impaired renal function — the kidneys regulate magnesium excretion, and supplementation may be unsafe
  • You have myasthenia gravis or a neuromuscular disorder
  • You are pregnant or breastfeeding — consult your midwife or GP before use
  • You are under 18 years of age — this product is formulated for adults
  • You have a known hypersensitivity to any of the ingredients

Magnesium supplements can interact with certain medicines. Known interactions include:

  • Bisphosphonates (e.g. alendronic acid) — magnesium may reduce absorption; separate doses by at least 2 hours
  • Tetracycline antibiotics (e.g. doxycycline) — magnesium can bind to these and reduce their effectiveness
  • Quinolone antibiotics (e.g. ciprofloxacin) — similar chelation effect; separate doses by at least 2 hours
  • Diuretics — some types can increase or decrease magnesium levels in the body
  • Proton pump inhibitors (e.g. omeprazole) — long-term use can lower magnesium levels; supplementation may be appropriate but discuss with your GP

 

How Should You Use Biocare BioMagnesium?

 

Always follow the directions on the product label. The general guidance for adults is as follows:

  1. Take 1–2 capsules daily, or as directed by a healthcare professional.
  2. Swallow the capsule whole with a full glass of water.
  3. Take with food to reduce the chance of gastrointestinal discomfort.
  4. Do not exceed the recommended daily dose.
  5. If you are taking other medicines, leave a gap of at least 2 hours between them and this supplement.
Indication Age Group Dose Frequency
General magnesium support Adults (18+) 1–2 capsules Once daily with food
Under healthcare guidance Adults (18+) As directed by GP/pharmacist As directed
Children under 18 Under 18 Not recommended

The NHS advises that taking more than 400 mg of magnesium per day from supplements can cause diarrhoea. Always check the elemental magnesium content per capsule on the label and ensure your total daily intake from all sources stays within safe limits. If you're also looking for support with sleep, our sleep aid range includes additional options that may complement magnesium supplementation.

 

What Are the Possible Side Effects of Biocare BioMagnesium?

 

Like all supplements, magnesium capsules can cause side effects in some people, particularly when taken in higher doses. Most side effects are mild and gastrointestinal in nature.

Common side effects:

  • Loose stools or diarrhoea (more likely at higher doses)
  • Stomach cramps or abdominal discomfort
  • Nausea

Less common side effects:

  • Vomiting
  • Flatulence
  • Feeling of heaviness in the stomach

If you experience persistent or severe diarrhoea, stop taking the supplement and speak to your pharmacist or GP. Signs of magnesium toxicity — which are rare at normal supplement doses but possible in people with kidney problems — include low blood pressure, muscle weakness, and irregular heartbeat. Seek urgent medical attention if you experience these symptoms. You can also explore our pain relief range if muscle discomfort is a concern alongside your supplementation.

 

How Should You Store Biocare BioMagnesium?

 

  • Store below 25°C in a cool, dry place
  • Keep away from direct sunlight and sources of heat
  • Keep the lid tightly closed after each use
  • Store out of sight and reach of children
  • Do not use after the expiry date printed on the packaging
  • Do not transfer capsules to another container

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Biocare BioMagnesium online in the UK?

You can buy Biocare BioMagnesium 90 Vegetable Capsules directly from Cured Pharmacy, a GPhC-registered UK online pharmacy, for £15.90. It is available without a prescription as an over-the-counter food supplement. Browse our full vitamins and supplements range for related products.

How does magnesium work in the body?

Magnesium acts as a cofactor in over 300 enzymatic reactions, including those involved in energy production, protein synthesis, and muscle and nerve function. It helps activate ATP — the molecule your cells use for energy — and supports normal neurotransmitter regulation. Without adequate magnesium, many of these processes become less efficient.

What is the correct dose of Biocare BioMagnesium?

The recommended adult dose is 1–2 capsules daily, taken with food and a full glass of water. The NHS advises not exceeding 400 mg of magnesium per day from supplements. Always check the elemental magnesium content per capsule on the product label and stay within this limit.

Can I take magnesium supplement capsules to help with sleep?

Magnesium contributes to normal nervous system function and may support relaxation, which some people find helpful for sleep quality. While it is not a licensed sleep medicine, many adults use magnesium as part of a broader sleep hygiene routine. If sleep difficulties persist, explore our sleep aid range or speak to your GP.

What are the side effects of Biocare BioMagnesium?

The most commonly reported side effects of magnesium supplements are loose stools, diarrhoea, and mild stomach discomfort, particularly at higher doses. These effects are usually dose-dependent and often resolve when the dose is reduced. If symptoms persist, stop taking the supplement and speak to your pharmacist.

Who should not take magnesium supplements?

People with kidney disease or severely impaired renal function should avoid magnesium supplements unless specifically advised by a doctor, as the kidneys are responsible for excreting excess magnesium. This product is also not recommended for children under 18. Always consult your GP if you have an underlying health condition before starting any new supplement.

Can Biocare BioMagnesium interact with other medicines?

Yes — magnesium can reduce the absorption of bisphosphonates (e.g. alendronic acid), tetracycline antibiotics, and quinolone antibiotics (e.g. ciprofloxacin) if taken at the same time. You should leave a gap of at least 2 hours between taking magnesium and these medicines. If you take diuretics or proton pump inhibitors, speak to your GP before starting magnesium supplementation.

How long does it take for magnesium supplements to work?

Some people notice improvements in muscle comfort, energy levels, or sleep within a few weeks of consistent daily use, though this depends on the degree of deficiency and individual response. A period of 4–8 weeks of regular use is generally recommended before assessing the full benefit. Results will vary from person to person.

Is Biocare BioMagnesium suitable for vegans?

Yes — Biocare BioMagnesium uses vegetable capsules, making it suitable for both vegetarians and vegans. The product is also free from artificial colours, flavours, and preservatives. Always check the full ingredient list on the packaging if you have specific dietary requirements or allergies.

What happens if I miss a dose of Biocare BioMagnesium?

If you forget to take your capsule, simply take it as soon as you remember — unless it is nearly time for your next dose, in which case skip the missed one and continue as normal. Do not take a double dose to make up for a missed one. Consistent daily use over time is what matters most with nutritional supplements.

What is the difference between magnesium citrate and magnesium oxide?

Magnesium citrate is an organic salt of magnesium that is generally better absorbed in the gastrointestinal tract compared to magnesium oxide, which is an inorganic form with lower bioavailability. Biocare BioMagnesium uses citrate and malate forms, which are considered more bioavailable options. This means more magnesium may actually reach your cells compared to cheaper oxide-based products.

Can I take Biocare BioMagnesium if I am pregnant?

If you are pregnant or breastfeeding, you should consult your midwife or GP before taking any new supplement, including magnesium. While magnesium is an essential nutrient during pregnancy, the appropriate dose and form should be confirmed by a healthcare professional. Do not self-prescribe supplements during pregnancy without professional guidance.

How long can you take Biocare BioMagnesium for?

For most healthy adults, taking magnesium supplements daily within the recommended dose is considered safe for ongoing use. However, if you have been taking it for more than 3 months without improvement in your symptoms, it is worth speaking to your GP to rule out an underlying cause. Regular review of any supplement is good practice.

What are the alternatives to Biocare BioMagnesium?

Alternatives include other magnesium supplement capsules in different forms such as magnesium glycinate, magnesium threonate, or magnesium taurate, each with slightly different properties and uses. Dietary sources of magnesium include nuts, seeds, dark leafy greens, and wholegrains. If you're looking for broader nutritional support, our vitamins and supplements collection includes a range of options.

What does the latest research say about magnesium supplements?

Research continues to explore magnesium's role in areas including cardiovascular health, blood glucose regulation, and mental health, though many studies are observational and further clinical trials are needed. The European Food Safety Authority has confirmed several health claims for magnesium, including its contribution to normal energy metabolism and reduction of tiredness. Always rely on evidence-based guidance from your GP or pharmacist rather than individual studies when making health decisions.

How Should You Use Biocare BioMagnesium?

Using Biocare BioMagnesium correctly helps you get the most from each capsule while minimising the chance of any digestive discomfort. Always read the product label before starting and follow the steps below.

What Is the Correct Dose of Biocare BioMagnesium?

The dose that's right for you depends on your individual needs and dietary intake of magnesium. For most adults, 1–2 capsules daily is appropriate. The NHS advises that taking more than 400 mg of magnesium per day from supplements can cause diarrhoea and other gastrointestinal effects, so always stay within this limit.

When Is the Best Time to Use Biocare BioMagnesium?

There is no single "correct" time to take magnesium, but many people find taking it in the evening with their evening meal works well — particularly if they are using it to support relaxation or sleep quality. Taking it with food at any time of day helps reduce the chance of stomach upset. Consistency matters more than timing, so choose a time that fits naturally into your daily routine and stick to it.

How Long Can You Use Biocare BioMagnesium For?

For most healthy adults, daily magnesium supplementation within the recommended dose is considered safe for ongoing use. If you have been taking it consistently for 8–12 weeks without noticing any benefit, it is worth speaking to your GP to explore whether an underlying cause is contributing to your symptoms. Periodic review of any supplement is sensible practice, especially if your diet or health circumstances change.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

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What Are the Most Common Side Effects of Biocare BioMagnesium?

Most people tolerate magnesium supplements well, particularly when taken with food and within the recommended dose. That said, gastrointestinal effects are the most frequently reported issue, especially when starting supplementation or taking higher doses.

  • Loose stools or diarrhoea
  • Stomach cramps or abdominal discomfort
  • Nausea
  • Bloating or flatulence

These effects are usually mild and dose-dependent. Reducing the dose or splitting it across the day (e.g. one capsule in the morning and one in the evening) often helps.

What Are the Less Common Side Effects of Biocare BioMagnesium?

Less commonly, some people may experience the following, particularly if they are sensitive to changes in mineral intake or have an underlying digestive condition:

  • Vomiting
  • A feeling of heaviness or fullness in the stomach
  • Headache
  • Flushing (more associated with intravenous magnesium but occasionally reported with oral supplements at high doses)

If any of these persist or feel severe, stop taking the supplement and speak to your pharmacist or GP promptly.

What Are the Serious Side Effects of Biocare BioMagnesium?

Serious side effects from oral magnesium supplements at normal doses are rare in people with healthy kidney function. However, in individuals with impaired renal function, magnesium can accumulate to toxic levels. Signs of hypermagnesaemia (excess magnesium in the blood) include:

  • Low blood pressure (hypotension)
  • Muscle weakness or loss of reflexes
  • Difficulty breathing
  • Irregular or slow heartbeat
  • Confusion or drowsiness

These symptoms require urgent medical attention. If you have kidney disease, do not take magnesium supplements without explicit advice from your GP.

What Should You Do If You Experience Side Effects?

If you experience mild gastrointestinal side effects, try reducing your dose to one capsule daily and taking it with a meal. Give your body a week or two to adjust before increasing the dose again. If side effects are persistent, severe, or unexpected, stop taking the supplement immediately and contact your pharmacist or GP. Do not ignore symptoms that feel unusual or disproportionate to what you'd expect from a food supplement.

Can Biocare BioMagnesium Interact With Other Medicines?

Yes — magnesium can interact with several commonly prescribed medicines. It can reduce the absorption of bisphosphonates (such as alendronic acid), tetracycline antibiotics (such as doxycycline), and quinolone antibiotics (such as ciprofloxacin) if taken simultaneously. Always leave a gap of at least 2 hours between magnesium and these medicines. Long-term use of proton pump inhibitors (such as omeprazole) can lower magnesium levels, so your GP may recommend supplementation — but this should be monitored. Some diuretics can also affect magnesium balance. Always tell your pharmacist about all medicines and supplements you are taking.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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