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Natures Aid Magnesium Citrate Elemental 119mg 60 Capsules

Natures Aid Magnesium Citrate Elemental 119mg 60 Capsules

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  • ✔️ Provides 119mg elemental magnesium per capsule in citrate form
  • ✔️ Supports normal muscle function and reduces tiredness and fatigue
  • ✔️ Citrate form offers improved bioavailability over magnesium oxide
  • ✔️ Contributes to normal nervous system and psychological function
  • ✔️ 60-capsule pack provides a full 30-day supply at recommended dose

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What Is a Magnesium Citrate Supplement and How Can It Help You?

 

Magnesium is one of the most important minerals your body relies on every single day. It plays a role in hundreds of biochemical processes — from energy production and protein synthesis to nerve signalling and muscle contraction. Yet surveys consistently suggest that a significant proportion of UK adults do not get enough magnesium through diet alone. That is where a magnesium citrate supplement can make a real difference. Natures Aid Magnesium Citrate Elemental 119mg 60 Capsules provides magnesium in its citrate form, which is widely regarded as one of the more bioavailable forms of this mineral. If you are looking to support your general wellbeing, you will find this and other quality options in our vitamins and supplements collection.

Each capsule delivers 119mg of elemental magnesium — a meaningful dose that contributes towards the EU Nutrient Reference Value (NRV) of 375mg per day. The citrate salt form means the magnesium is bound to citric acid, which may improve absorption compared to some other forms such as magnesium oxide.

 

How Does Natures Aid Magnesium Citrate Work in the Body?

 

Magnesium acts as a cofactor for enzymes involved in energy metabolism, DNA synthesis, and muscle relaxation. When you take a magnesium citrate capsule, the magnesium is released in the gastrointestinal tract and absorbed primarily in the small intestine. Here is a simplified breakdown of how it works:

  • Magnesium citrate dissociates in the gut, releasing free magnesium ions for absorption.
  • Absorbed magnesium enters the bloodstream and is distributed to tissues including muscle, bone, and the nervous system.
  • It activates ATP (adenosine triphosphate), the body's primary energy currency, supporting normal energy-yielding metabolism.
  • It regulates calcium channels in muscle cells, helping muscles contract and relax properly.
  • It supports neurotransmitter regulation, which may contribute to normal psychological function and sleep quality.

The European Food Safety Authority (EFSA) has confirmed that magnesium contributes to normal muscle function, reduction of tiredness and fatigue, normal functioning of the nervous system, and maintenance of normal bones and teeth.

 

Who Should Consider Using Natures Aid Magnesium Citrate 119mg?

 

This supplement is suitable for adults who want to support their daily magnesium intake, particularly those whose diet may not consistently provide adequate amounts. It is especially relevant if you fall into one of the following groups:

  • Adults experiencing tiredness, fatigue, or low energy levels
  • People with muscle cramps, spasms, or twitches
  • Those who struggle with sleep quality or restlessness at night
  • Individuals with a diet low in magnesium-rich foods such as nuts, seeds, and leafy greens
  • Athletes or active individuals with higher mineral demands due to sweat loss

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

 

How Does Magnesium Citrate Compare to Other Forms of Magnesium?

 

Feature Magnesium Citrate (This Product) Magnesium Oxide (Common Alternative)
Bioavailability Higher — citrate form absorbs more readily Lower — less efficiently absorbed
Elemental magnesium per capsule 119mg Varies (often higher mg, lower absorption)
Gastrointestinal tolerance Generally well tolerated at recommended doses More likely to cause loose stools
Suitable for vegans Check capsule shell — confirm with manufacturer Varies by brand

 

Is Natures Aid Magnesium Citrate Suitable for Long-Term Use and How Should It Be Stored?

 

For most healthy adults, taking a magnesium citrate supplement daily as part of a balanced lifestyle is considered safe. However, if you have kidney disease, heart block, or are taking certain prescription medicines, you must speak to your GP or pharmacist before starting. People with impaired kidney function are at risk of magnesium accumulating to unsafe levels in the blood. Store this product below 25°C in a cool, dry place away from direct sunlight. Keep the lid tightly closed and out of reach of children. Do not use after the expiry date printed on the packaging. If you are also managing digestive discomfort, you might find our IBS and cramps collection useful alongside your supplement routine.

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

Natures Aid Magnesium Citrate Elemental 119mg 60 Capsules specifications
Treatment category Vitamins and Supplements / Mineral Supplement
Mechanism of action Provides elemental magnesium as citrate salt to support enzymatic reactions, muscle function, and nerve signalling
Effective for Supporting normal muscle function, reducing tiredness and fatigue, normal nervous system function
Suitable for Adults aged 18 and over
Active ingredient Magnesium Citrate providing 119mg elemental magnesium per capsule
Pack size 60 capsules
Strength 119mg elemental magnesium per capsule
UK classification Food supplement (not a licensed medicine)
Drug class Mineral supplement
Preparation Capsule
Route of administration Oral

Specifications of Natures Aid Magnesium Citrate Elemental 119mg 60 Capsules

 

What Is Natures Aid Magnesium Citrate and What Is It Used For?

 

Natures Aid Magnesium Citrate Elemental 119mg 60 Capsules is a food supplement providing magnesium in its citrate form. Magnesium is an essential mineral that the body cannot produce on its own — it must come from food or supplementation. This product is used to help maintain adequate magnesium levels and to support a range of normal physiological functions, including muscle contraction and relaxation, nerve transmission, energy metabolism, and psychological function. It is also used by people who want to support bone health and reduce feelings of tiredness and fatigue. It is not a licensed medicine and is not intended to diagnose, treat, or cure any disease.

 

What Do You Need to Know Before Using Natures Aid Magnesium Citrate?

 

Before starting any new supplement, it is important to consider whether it is appropriate for you. Do not take this product if any of the following apply:

  • You have kidney disease or impaired renal function — excess magnesium cannot be excreted efficiently and may accumulate to harmful levels
  • You have myasthenia gravis (a neuromuscular condition)
  • You have a known hypersensitivity or allergy to any of the ingredients
  • You have a bowel obstruction or severe gastrointestinal disorder
  • You are pregnant or breastfeeding — consult your GP or midwife before use

The following medicines may interact with magnesium supplements. If you are taking any of these, speak to your pharmacist before use:

  • Bisphosphonates (e.g. alendronate) — magnesium may reduce their absorption
  • Tetracycline antibiotics (e.g. doxycycline) — absorption of both may be reduced
  • Quinolone antibiotics (e.g. ciprofloxacin) — similar absorption interaction
  • Diuretics — some types can increase or decrease magnesium levels
  • Proton pump inhibitors (e.g. omeprazole) — long-term use may lower magnesium levels
  • Digoxin — magnesium levels can affect digoxin toxicity risk

 

How Should You Use Natures Aid Magnesium Citrate Correctly?

 

Always follow the label instructions and do not exceed the stated dose. Here is how to take this supplement correctly:

  1. Take two capsules per day with a full glass of water.
  2. Swallow the capsules whole — do not crush or chew them.
  3. Take with food to reduce the risk of gastrointestinal discomfort.
  4. Space doses evenly if splitting across the day (e.g. one in the morning, one in the evening).
  5. Do not take more than two capsules in any 24-hour period unless directed by a healthcare professional.
Indication Age Group Dose Frequency
General magnesium supplementation Adults 18+ 2 capsules (238mg elemental magnesium) Once daily
Not recommended Under 18 Not applicable Consult a GP

If you are also looking for support with sleep, our sleep aid collection includes a range of products that may complement your magnesium routine.

 

What Are the Possible Side Effects of Natures Aid Magnesium Citrate?

 

Like all supplements, magnesium citrate can cause side effects in some people, particularly if taken in excess. Most side effects are mild and gastrointestinal in nature.

Common side effects:

  • Loose stools or diarrhoea — especially at higher doses
  • Stomach cramps or abdominal discomfort
  • Nausea

Less common side effects:

  • Vomiting
  • Flatulence or bloating
  • Headache

Signs of excessive magnesium intake (hypermagnesaemia) — which is rare at supplement doses in people with normal kidney function — can include muscle weakness, low blood pressure, irregular heartbeat, and confusion. If you experience any of these, stop taking the supplement immediately and seek medical advice. For general pain or discomfort related to muscle cramps, you may also wish to explore our pain relief collection.

 

How Should You Store Natures Aid Magnesium Citrate?

 

  • 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 base of the bottle
  • Do not store in the bathroom or near a sink — moisture can degrade the capsules

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 Natures Aid Magnesium Citrate 119mg online in the UK?

You can buy Natures Aid Magnesium Citrate Elemental 119mg 60 Capsules directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. It is available without a prescription as an over-the-counter food supplement. Browse our full vitamins and supplements range for more options.

How does magnesium citrate work in the body?

Magnesium citrate dissociates in the gut to release free magnesium ions, which are absorbed in the small intestine and distributed to muscles, bones, and the nervous system. It acts as a cofactor for over 300 enzymes, supporting energy production, muscle relaxation, and nerve signalling. The citrate form is considered more bioavailable than some other magnesium salts such as magnesium oxide.

How do I take Natures Aid Magnesium Citrate capsules step by step?

Follow these steps for correct use:

  1. Take two capsules daily with a full glass of water.
  2. Swallow whole — do not crush or chew.
  3. Take with food to reduce the chance of stomach upset.
  4. Do not exceed two capsules in any 24-hour period.
What is the best time of day to take magnesium citrate capsules?

Many people prefer taking magnesium in the evening, as it may support muscle relaxation and sleep quality. However, it can be taken at any time of day — the most important thing is to take it consistently with food to minimise gastrointestinal side effects. There is no single universally "correct" time; choose what fits your routine best.

What are the side effects of magnesium citrate supplements?

The most common side effects are loose stools, stomach cramps, and nausea, particularly if taken on an empty stomach or at higher doses. These effects are usually mild and resolve when the dose is reduced or taken with food. If you experience persistent diarrhoea or severe abdominal pain, stop taking the supplement and speak to your pharmacist or GP.

How do I manage side effects of magnesium citrate?

To reduce the risk of gastrointestinal side effects, always take magnesium citrate capsules with a meal and a full glass of water. If loose stools are a problem, try splitting the daily dose — one capsule in the morning and one in the evening. If symptoms persist, consult your pharmacist before continuing.

Who is eligible to take Natures Aid Magnesium Citrate 119mg?

This supplement is suitable for adults aged 18 and over who wish to support their daily magnesium intake. It is not recommended for children, people with kidney disease, or those with myasthenia gravis without medical supervision. If you are pregnant, breastfeeding, or taking prescription medicines, speak to your GP or pharmacist before use.

What happens if I miss a dose of magnesium citrate?

If you forget to take your capsules, take them as soon as you remember — unless it is nearly time for your next dose, in which case simply skip the missed one. Never take a double dose to make up for a missed one. Missing an occasional dose will not cause harm, as magnesium builds up gradually in the body over time.

What are the alternatives to magnesium citrate supplements?

Other forms of magnesium supplements include magnesium glycinate, magnesium malate, magnesium taurate, and magnesium oxide — each with slightly different absorption rates and tolerability profiles. Dietary sources of magnesium include nuts, seeds, dark leafy greens, wholegrains, and legumes. Speak to your pharmacist if you are unsure which form is most appropriate for your needs.

How long can you take magnesium citrate supplements for?

Magnesium citrate can generally be taken long-term as part of a balanced diet and healthy lifestyle, provided you stay within the recommended daily dose. It is good practice to review your supplement use with a healthcare professional every six to twelve months, especially if you have any underlying health conditions. Do not take doses above the recommended amount for extended periods without medical guidance.

Can magnesium citrate help with sleep?

Magnesium plays a role in regulating neurotransmitters and melatonin, which are involved in sleep-wake cycles. Some people report improved sleep quality when taking magnesium supplements, particularly those who were previously deficient. If you are looking for additional sleep support, our sleep aid collection includes a range of complementary products.

Is magnesium citrate safe to take with other vitamins and supplements?

Magnesium citrate is generally safe to combine with most vitamins and supplements, including vitamin D, vitamin B6, and calcium. However, very high doses of calcium taken at the same time may compete with magnesium for absorption, so it is advisable to space them apart. Always inform your pharmacist of all supplements you are taking to avoid potential interactions.

Does magnesium citrate interact with prescription medicines?

Yes, magnesium can interact with several prescription medicines including bisphosphonates, tetracycline and quinolone antibiotics, diuretics, digoxin, and proton pump inhibitors. These interactions can affect the absorption or efficacy of either the medicine or the supplement. Always speak to your pharmacist or GP before starting magnesium if you are on any prescribed medication.

What are the latest studies on magnesium citrate supplements?

Research continues to explore magnesium's role in cardiovascular health, blood glucose regulation, migraine prevention, and mental health. The European Food Safety Authority has confirmed several health claims for magnesium, including its contribution to normal muscle function, reduction of tiredness, and normal psychological function. Speak to your GP if you are considering magnesium for a specific health condition, as evidence varies by indication.

Is Natures Aid Magnesium Citrate 119mg suitable for vegans?

The magnesium citrate ingredient itself is suitable for vegans, but you should check the capsule shell composition directly with Natures Aid or on the product packaging to confirm full vegan suitability. If you follow a vegan lifestyle and are looking for verified vegan-friendly supplements, our vegan collection may be helpful. Always read the full ingredient list before purchasing.

How Should You Use Natures Aid Magnesium Citrate 119mg?

Using this supplement correctly is straightforward, but it is worth taking a moment to follow the steps below to get the most from each capsule and reduce the risk of any stomach discomfort. Always read the label before starting and keep to the recommended dose.

What Is the Correct Dose of Natures Aid Magnesium Citrate 119mg?

The recommended dose for adults is two capsules per day, providing 238mg of elemental magnesium. This contributes significantly towards the EU Nutrient Reference Value of 375mg per day for magnesium. Do not exceed this dose unless specifically advised to do so by a healthcare professional.

When Is the Best Time to Use Natures Aid Magnesium Citrate?

There is no single "correct" time to take magnesium citrate — consistency matters more than timing. That said, many people find taking their capsules in the evening with their evening meal works well, particularly if they are using magnesium to support sleep quality or ease muscle tension after exercise. If you experience any digestive sensitivity, splitting the dose — one capsule in the morning and one in the evening — can help your body adjust more comfortably.

How Long Can You Use Natures Aid Magnesium Citrate For?

This supplement can be used on an ongoing basis as part of a balanced diet and healthy lifestyle, provided you do not exceed the recommended daily dose. Magnesium is a mineral your body needs continuously, so long-term supplementation is appropriate for many adults, particularly those whose dietary intake is consistently low. However, if you have been taking this supplement for more than three months and are unsure whether to continue, it is a good idea to check in with your GP or pharmacist — especially if you have any underlying health conditions or are taking prescription medicines.

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 Natures Aid Magnesium Citrate?

Most people tolerate magnesium citrate well at the recommended dose, but gastrointestinal side effects are the most frequently reported. These are usually mild and often improve once your body adjusts or if you take the capsules with food.

  • Loose stools or diarrhoea
  • Stomach cramps or abdominal discomfort
  • Nausea
  • Flatulence or bloating

What Are the Less Common Side Effects of Natures Aid Magnesium Citrate?

Less commonly, some people may experience the following, particularly if taking higher than recommended doses or if they have an underlying sensitivity:

  • Vomiting
  • Headache
  • Feeling of general weakness or lethargy
  • Skin flushing (rare at supplement doses)

What Are the Serious Side Effects of Natures Aid Magnesium Citrate?

Serious side effects from magnesium citrate at the recommended supplement dose are rare in people with normal kidney function. However, if you have impaired kidney function, magnesium can accumulate in the blood — a condition called hypermagnesaemia. Symptoms of excessive magnesium levels include muscle weakness, very low blood pressure, slowed or irregular heartbeat, difficulty breathing, and confusion. These symptoms require immediate medical attention. Stop taking the supplement and call 999 or go to your nearest A&E if you experience any of these.

What Should You Do If You Experience Side Effects of Natures Aid Magnesium Citrate?

If you develop mild gastrointestinal side effects such as loose stools or nausea, try taking the capsules with a larger meal or splitting the dose across the day. If side effects persist beyond a few days or are severe, stop taking the supplement and speak to your pharmacist or GP. You can also report suspected side effects of food supplements to the Food Standards Agency (FSA) or your GP. Never ignore symptoms that feel unusual or disproportionate to the dose you are taking.

Can Natures Aid Magnesium Citrate Interact With Other Medicines?

Yes. Magnesium can interact with several commonly prescribed medicines, affecting how well they are absorbed or how they work in the body. Key interactions to be aware of include bisphosphonates (used for bone health), tetracycline and quinolone antibiotics, diuretics, digoxin, and proton pump inhibitors such as omeprazole. If you are taking any prescription medicine, always inform your pharmacist before starting magnesium supplementation. As a general rule, take magnesium at least two hours apart from any antibiotic or bisphosphonate to minimise absorption interference.

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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