Best Magnesium Supplement Capsules of 2025

Phoebe Cooper Avatar
Phoebe Cooper
Last Updated: 2 Feb 2025

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Magnesium supplement capsules are a dietary supplement designed to provide the body with the essential mineral magnesium. Magnesium is vital for various bodily functions, including muscle and nerve function, energy production, and maintaining a healthy immune system. These capsules contain a highly absorbable form of magnesium, making it easier for the body to utilise. They are an excellent option for individuals who may not be getting enough magnesium through their diet or who have a magnesium deficiency. Magnesium supplement capsules are a recommended product for those who want to maintain their overall health and well-being.

At a Glance: Our Top Picks

VitaBright High Strength Magnesium Capsules Cover #TOP 1
VitaBright High Strength Magnesium Capsules
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Magnesium Glycinate 3-in-1 Complex Capsules Cover #TOP 2
Magnesium Glycinate 3-in-1 Complex Capsules
ftb score rating icon 9.7
High Strength Magnesium Glycinate with Vitamin B6 Cover #TOP 3
High Strength Magnesium Glycinate with Vitamin B6
ftb score rating icon 9.5

Top 10 Magnesium Supplement Capsules

VitaBright High Strength Magnesium Capsules

SR20
VitaBright High Strength Magnesium Capsules Cover
Magnesium Citrate Capsules 1480mg x4 Months Tablets High Strength Magnesium for Sleep/Leg Cramps (444mg Elemental Magnesium Tablets) VitaBright Magnesium Supplements for Women & Men

The VitaBright Magnesium Capsules provide a convenient way to support your health with a high strength dosage. You can take 2 capsules daily for 1480mg of Magnesium Citrate, which is beneficial for both men and women. These organic magnesium supplements are easily absorbed, enhancing their effectiveness. If you prefer, you can twist the capsules open to mix the magnesium powder with juice. Additionally, these capsules can help alleviate mild constipation while promoting healthy digestion.

What We Like
High strength dosage available
Easy to absorb formula
Can be mixed with juice
Supports digestion and intestinal health
Useful for muscle cramps
#TOP 2

Magnesium Glycinate 3-in-1 Complex Capsules

Magnesium Glycinate 3-in-1 Complex Capsules Cover
Magnesium Glycinate 3-in-1 Complex - 1800mg Supplements as Bisglycinate, Citrate & Malate 90 Vegan Capsules, Triple High Absorption 384mg Elemental, UK Made

The Magnesium Glycinate 3-in-1 offers you a comprehensive blend of three types of magnesium in one convenient capsule. With 1800mg of magnesium, it supports muscle relaxation and promotes better sleep. It also helps boost energy and reduce fatigue, making it perfect for those needing an extra lift. Additionally, it aids digestion and mineral absorption, ensuring your body gets the nutrients it requires. Its flat pack design makes it easy to store and eco-friendly, saving you space and reducing waste.

What We Like
High absorption and effectiveness
Diverse health benefits
Space-saving packaging
Vegan and cruelty-free
Sustainably produced

High Strength Magnesium Glycinate with Vitamin B6

SS Sport Supplies
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High Strength Magnesium Glycinate with Vitamin B6 Cover
Magnesium Glycinate Supplements 1500mg & Vitamin B6-120 High Strength Capsules - 1500mg of Magnesium Providing 315mg Elemental Magnesium (Bisglycinate) - Pure Active Ingredient

The SS Sport Magnesium Glycinate offers a potent 1500mg of pure active ingredient per serving, providing you with 315mg of elemental magnesium. This essential mineral plays a vital role in converting food into energy, supporting normal muscle function, and reducing tiredness and fatigue. Additionally, these capsules include Vitamin B6, which helps to further alleviate fatigue while also contributing to your immune system and psychological wellbeing. With only pure ingredients and no fillers, this supplement is suitable for both vegans and vegetarians.

What We Like
High elemental magnesium content
Includes Vitamin B6 for added benefits
Free from artificial additives
Suitable for vegans and vegetarians
Manufactured to high safety standards
#TOP 4

New Leaf Magnesium Glycinate Complex 2000mg

New Leaf Magnesium Glycinate Complex 2000mg Cover
Magnesium Glycinate 4-in-1 Complex 2000mg - 402mg Elemental Magnesium High Strength Magnesium Supplements - Magnesium Bisglycinate,Citrate, Malate, Threonate - 120 Capsules - Vegan UK Made by New Leaf

The New Leaf Magnesium Complex offers a high-strength dose of 2000mg of magnesium in four forms: Citrate, Bisglycinate, Malate, and Threonate. This powerful blend ensures optimal absorption, helping you to combat tiredness and support muscle function. With 120 easy-to-swallow capsules, you can effortlessly enhance your magnesium intake for better overall health. Plus, the product is made in a facility that adheres to stringent quality standards, ensuring you receive a safe and effective supplement.

What We Like
High-strength 2000mg dosage
Four effective magnesium forms
Supports muscle and bone health
Easy-to-swallow capsules
Quality tested for safety
#TOP 5

Multivita Magnesium Citrate 1,480mg Capsules

Multivita Magnesium Citrate 1,480mg Capsules Cover
Magnesium Citrate 1,480mg 120 Vegan Capsules 2 Months Supply - Providing 440mg Elemental Magnesium Per Serving - Magnesium Capsules not Magnesium Tablets - High Strength Magnesium Supplement GMO Free

The Multivita Magnesium Citrate offers enhanced bioavailability with 1,480mg of Magnesium Citrate and 440mg of elemental magnesium per serving. This high-strength formula helps reduce tiredness and fatigue, ensuring you feel energised throughout the day. Each pouch contains 120 easy-to-swallow vegan capsules, providing a convenient two-month supply. Manufactured in the UK with high-quality raw materials, you can trust that you are receiving a pure product free from common allergens like lactose and gluten.

What We Like
High bioavailability for better absorption
Supports energy metabolism
Vegan-friendly and allergen-free
Two-month supply in one pouch
#TOP 6

WeightWorld High Strength Magnesium Citrate Capsules

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WeightWorld High Strength Magnesium Citrate Capsules Cover
High Strength Magnesium Supplements 1480mg - 240 Magnesium Citrate Capsules - Vegan & Gluten-Free - Providing 440mg High Absorption Elemental Magnesium - 4 Months Supply - Not Magnesium Tablets

WeightWorld Magnesium Capsules provide a potent dose of 1480mg of Magnesium Citrate per serving, ensuring easy absorption without the unpleasant taste of tablets. They help you relax and unwind, supporting normal muscle and psychological function, which is especially beneficial before bedtime. For fitness enthusiasts, these capsules replenish essential minerals lost during workouts, reducing tiredness and boosting energy production. Furthermore, they are third-party tested for safety, ensuring you take a product that is free from heavy metals and allergens.

What We Like
High absorption Magnesium Citrate
Supports relaxation and sleep
Ideal for fitness recovery
Third-party lab tested
Vegan and gluten-free
#TOP 7

New Leaf Magnesium Citrate Capsules 1620mg

New Leaf Magnesium Citrate Capsules 1620mg Cover
Magnesium Citrate Capsules 1620mg - Super Strength and High Absorption Magnesium Supplements - With 500mg Elemental Vegan Magnesium - Not Magnesium Tablets - Muscle & Sleep Support (Two Months Supply)

The New Leaf Magnesium Capsules offer a potent 1620mg of Magnesium Citrate per serving, helping you support essential bodily functions such as carbohydrate synthesis. With 500mg of Elemental Magnesium, these capsules ensure high absorption, making it easier for your body to utilise this vital mineral. They promote healthy bones by regulating calcium transport, which is crucial for bone strength. Additionally, these capsules contribute to normal psychological function, helping to reduce tiredness and fatigue, enhancing your overall well-being.

What We Like
High absorption formula
Supports healthy bones
Reduces fatigue
Promotes normal muscle function
Vegan-friendly capsules

High Strength Magnesium Citrate Capsules by Howard & James

High Strength Magnesium Citrate Capsules by Howard & James Cover
Magnesium Citrate 1480mg - 180 Vegan Capsules not Magnesium Tablets - Providing 444mg Elemental Magnesium - 3 Month Supply - High Strength Magnesium Supplements - Made in The UK by Howard & James

Howard & James Magnesium Capsules offer a high potency magnesium supplement, providing 1480mg of magnesium per serving, which translates to 444mg of elemental magnesium. This can help reduce tiredness and fatigue, supporting your energy levels throughout the day. With 180 vegan-friendly capsules, you enjoy a three-month supply, making it convenient to maintain your magnesium intake. Additionally, these capsules are Non-GMO and free from artificial additives, ensuring you consume only the purest ingredients for your health and well-being.

What We Like
High potency magnesium supplement
Vegan and Non-GMO
Convenient three-month supply
No artificial additives

Nutravita Super Strength Magnesium Citrate Capsules

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Nutravita Super Strength Magnesium Citrate Capsules Cover
Super Strength 1480mg – 180 Vegan Magnesium Citrate Capsules not Magnesium Tablets – High Absorption, Premium Magnesium Supplements – 90 Days Supply – Made in The UK by Nutravita

Nutravita Magnesium Citrate offers a high-potency formula with 1480mg of magnesium citrate per daily serving, ensuring you receive 440mg of elemental magnesium. This supplement is beneficial for regulating various metabolic reactions, supporting muscle and nerve function, and maintaining healthy bones and teeth. It is particularly useful for those engaged in strenuous physical activities, as magnesium helps reduce tiredness and fatigue while maintaining electrolyte balance. With 180 easy-to-swallow vegan capsules in a bottle, you have a convenient three-month supply to support your overall health.

What We Like
High absorption formula
Vegan and vegetarian friendly
Supports muscle and nerve function
Reduces tiredness and fatigue
Convenient three-month supply
#TOP 10

New Leaf Magnesium Glycinate 1040mg Capsules

New Leaf Magnesium Glycinate 1040mg Capsules Cover
Magnesium Glycinate Supplements - 1040mg of Magnesium - 120 High Strength Capsules Providing 208mg Elemental Magnesium Per Serving - Pure Active Ingredient - UK Manufactured by New Leaf Products

The New Leaf Magnesium Capsules provide a high-strength formulation of 1040mg magnesium glycinate per serving, delivering 208mg of elemental magnesium. This supplement is designed to support healthy magnesium levels, essential for muscle and nerve function, as well as promoting better sleep. With easy-to-swallow capsules, you can conveniently incorporate it into your routine without any unpleasant aftertaste. Additionally, magnesium contributes to bone health by aiding calcium absorption and enhancing energy production for muscle contractions, helping to prevent weakness and cramps.

What We Like
High-strength formulation
Supports muscle and nerve function
Easy to swallow
Promotes bone health
Reduces tiredness and fatigue
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is magnesium capsules good for?

Taking a magnesium supplement to address a deficiency has been linked to health benefits. These include improvements in blood pressure, mood, and blood sugar management, as well as a lower risk of developing health conditions such as heart disease.

2. Is it OK to take magnesium every day?

Doses less than 350 mg daily are safe for most adults. In some people, magnesium might cause stomach upset, nausea, vomiting, diarrhea, and other side effects. When taken in very large amounts (greater than 350 mg daily), magnesium is POSSIBLY UNSAFE.

3. What form of magnesium is best?

Orally, magnesium citrate is the best absorbed form (but it's bonded to a big molecule so there is a smaller amount of magnesium by weight). Mg oxide is the most poorly absorbed form but has the highest Mg per weight, so actually you may get more elemental magnesium out of the same dose of Mg oxide vs.

4. Can you buy magnesium in capsule form?

Pure Encapsulations Magnesium Citrate With 150 mg of magnesium citrate in each capsule, this product may work well for those seeking a supplement with a lower dose than most other options on the market.

Editor's Notes

During our magnesium supplement capsule research, we found 306 magnesium supplement capsule products and shortlisted 10 quality products. We collected and analyzed 148,972 customer reviews through our big data system to write the magnesium supplement capsules list. We found that most customers choose magnesium supplement capsules with an average price of £8.37.

The magnesium supplement capsules are available for purchase. We have researched hundreds of brands and picked the top brands of magnesium supplement capsules, including VitaBright, Nutrition Geeks, SS Sport Supplies, NEW LEAF PRODUCTS, Multivita. The seller of top 1 product has received honest feedback from 1,367 consumers with an average rating of 4.9.

Written by
Phoebe Cooper Avatar

In 2000, Phoebe Cooper graduated from the University of London as a Pharmacist. She practiced as a Pharmacist for the better part of 2 decades. Phoebe says she has worked in the majority of health sectors and has sufficient accumulated knowledge and experience. In her practice, Phoebe published a series of eBooks, one of which is titled "Good Health Good Living."