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Magnesium Glycinate 400mg Comparison - April 2026

7 Best Magnesium Glycinate 400mg In the UK

1
Best Choice
9.8Exceptional
2
9.7Exceptional
3
9.4Excellent
4
Best Value
9.3Excellent
5
9.2Excellent
6
8.9Very Good
7
8.8Very Good
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Model

Magnesium Glycinate 3-in-1 Complex - 1800mg Supplements as Bisglycinate, Citrate & Malate 90 Vegan Capsules, Triple High Absorption 384mg Elemental, UK Made
Model
Magnesium Glycinate 400mg | Chelated Bisglycinate for Muscle Relaxation, Bones, Heart, Nerve, Sleep & Calm Support for Women & Men | High Absorption Magnesium Chelate Supplement | 120 Capsules
Model
Zipvit Magnesium Glycinate 2000mg with 400mg Elemental, Plus Vitamin B6, 120 Vegan Tablets, High Strength Magnesium Supplements
Model
Magnesium Glycinate 400mg | Chelated Bisglycinate for Muscle Relaxation, Bones, Heart, Nerve, Sleep & Calm Support for Women & Men | High Absorption Magnesium Chelate Supplement | 120 Capsules
Model
Magnesium Glycinate 4-in-1 Complex - 400mg Elemental Magnesium - 180 Vegan Capsules (3 Months Supply) - 1700mg as Citrate, Bisglycinate, Taurate & Malate - Added 90mg Leucine - Made in the UK
Model
Zipvit Magnesium Glycinate 2000mg with 400mg Elemental, Plus Vitamin B6, 120 Vegan Tablets, High Strength Magnesium Supplements
Model
Magnesium Glycinate 4-in-1 Complex - 400mg Elemental Magnesium - 180 Vegan Capsules (3 Months Supply) - 1700mg as Citrate, Bisglycinate, Taurate & Malate - Added 90mg Leucine - Made in the UK

Brand

Nutrition Geeks
Brand
Nobi Nutrition
Brand
Zipvit
Brand
Nobi Nutrition
Brand
WeightWorld
Brand
Zipvit
Brand
WeightWorld

Reviews

44,446 reviews
Reviews
3,786 reviews
Reviews
31,276 reviews
Reviews
3,786 reviews
Reviews
696 reviews
Reviews
31,276 reviews
Reviews
696 reviews

Tech Specs

package dimensions

15.4 x 15.15 x 2.4 cm; 1.8 g
package dimensions
10.39 x 5.11 x 4.9 cm; 82 g
package dimensions
11.3 x 6 x 6 cm; 150 g
package dimensions
10.39 x 5.11 x 4.9 cm; 82 g
package dimensions
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package dimensions
11.3 x 6 x 6 cm; 150 g
package dimensions
-

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Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    Nutrition Geeks
    29% Off

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

    Why we love it

    High absorption and bioavailability.
    Vegan and eco-friendly packaging.
    Supports muscle relaxation and energy.
    Main highlights
    • Why Buy Magnesium Glycinate 3-in-1: Get a triple magnesium complex in one formula and experience superior health benefits & bioavailability. 1800mg Magnesium Compounds as Magnesium Glycinate 1000 mg, Magnesium Malate 400 mg, Magnesium Citrate 400 mg, Providing Elemental Magnesium 384 mg 102% NRV. Each pack contains 90 vegan capsules (two per serving).
    • Vegan Friendly, Gluten-free, Dairy-free, Cruelty-free, Low Carbon Footprint: We understand the importance of providing vitamins that caters to everyone's needs; are sourced & produced ethically and accessible to all customers. There is no need to go anywhere else for your nutrition needs!
    • Space Saving and Letterbox Friendly: Mg Glycinate 3-in-1 comes in flat pack packaging, saving on costly postage and storage fees associated with other bottled magnesium tablets, magnesium spray, magnesium oil or magnesium gummies. Also a great compliment to magnesium threonate & magnesium taurate.
    • Scientifically Proven Supplements Uncomplicated, So You Can Get The Most Out of Life. Accessible For Everyone. Delivered To You Sustainably: Good health is a need not a want. We are on a mission to make quality, science backed nutrition sustainably accessible to everyone. Less plastic, less waste. We have also committed to be the UK's leading sustainable supplement provider with a Net Zero target by end of 2025.
    • Diverse Health Benefits: Magnesium glycinate (1000mg) supports muscle relaxation and magnesium sleep. Magnesium Malate (400mg) boosts energy and reduces fatigue. Magnesium Citrate (400mg) promotes digestion and mineral absorption. Our science backed formula is great for overall calmness as well as those with restless legs or looking for magnesium supplements high strength.
  • 9.7
    2
    Nobi Nutrition
    17% Off

    Magnesium Glycinate 400mg | Chelated Bisglycinate for Muscle Relaxation, Bones, Heart, Nerve, Sleep & Calm Support for Women & Men | High Absorption Magnesium Chelate Supplement | 120 Capsules

    Why we love it

    Highly absorbable for better efficacy.
    Gentle on the stomach.
    Supports over 300 biological processes.
    Main highlights
    • SMALL CAPSULES: Nobi’s small, 2-capsule servings are flavorless and easy to swallow. Each serving yields 400 mg of highly-absorbable magnesium, and each bottle contains 120 capsules.
    • MADE WITH YOU IN MIND: Magnesium Glycinate by Nobi Nutrition is Third-Party Tested and formulated without the top 9 allergens. It is manufactured in a facility that adheres to GMP guidelines.
    • HIGHLY ABSORBABLE: Magnesium glycinate (also known as magnesium bisglycinate) is the most bioavailable form of magnesium. Two glycine molecules are bound to each magnesium molecule through a process called "chelating," leading to increased solubility and better absorption.
    • GENTLE ON STOMACH: Standard magnesium supplements can cause stomach upset and laxative-like effects. The chelation process ensures that more of the magnesium powder is ready for use by the body without digestive disruption.
    • FULL-BODY BENEFITS: Magnesium is one of the best essential minerals for the body. It is involved in over 300 crucial biological processes, including sleep & relaxation, immunity, muscle soreness, metabolism and so much more.*
  • 9.4
    3
    Zipvit

    Zipvit Magnesium Glycinate 2000mg with 400mg Elemental, Plus Vitamin B6, 120 Vegan Tablets, High Strength Magnesium Supplements

    Why we love it

    Highly absorbable magnesium form.
    Supports energy and muscle function.
    Vegan and allergen-free.
    Main highlights
    • Vegan-Friendly Magnesium Glycinate Tablets: Scored for easy splitting, these Magnesium Glycinate tablets provide consistent and reliable support.
    • Supports Psychological Function: Magnesium contributes to normal psychological function and supports the normal functioning of the nervous system, helping to maintain mental and cognitive function as part of your daily routine.
    • Reduces Tiredness & Supports Muscle Function: Magnesium contributes to the reduction of tiredness and fatigue and supports normal muscle function, helping maintain energy levels throughout your day.
    • High Strength Magnesium Glycinate: Each serving provides 2000mg of magnesium glycinate, delivering 400mg of elemental magnesium, with added Vitamin B6.
    • Gentle and Highly Absorbable: This pure Magnesium Glycinate formula, also known as Magnesium Bisglycinate, is gentle on the stomach and highly bioavailable, making it perfect for daily use without digestive discomfort.

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When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.