10 Best Magnesium Threonate 3Rd Party Tested - May 2026

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Last Updated: 27-05-2026

Vinco Magnesium L-Threonate Supplement - 120 High Strength Magnesium L Threonate Capsules - 2000mg Bioavailable Form of Magnesium per Serving - Non-GMO & Gluten Free - Made in The UK

Vinco Supplements

9.8

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Magnesium L-Threonate 1000mg 60 Tablets, Supports Cognitive Function, Brain Health & Calm Mind, High Absorption

ECO-VITS

9.6

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Best Value

Double Wood Magnesium L Threonate Supplement | 120 Capsules (30 Servings) High Strength Magnesium L Threonate (4 per Serving) 2000mg

Double Wood Supplements

9.5

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Magnesium Threonate 667mg x 90 Capsules - Over 98.8% Purity Third Party Tested - Magnesium Threonate Supplement - Vitality Pro

vP Vitality Pro

9.2

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Hepatica Magnesium Complex per Serving 2000mg | L-Threonate, Bisglycinate & Taurate | 120 Vegan Capsules | High Strength Magnesium Supplement | No Fillers or Bulkers

Hepatica

9.1

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Magnesium Glycinate 3-in-1 Complex 2000mg | Magnesium Glycinate, Malate & Citrate with Vitamin B6 | 120 Capsules - 2 Months Supply | High Absorption | No Fillers or Binders | 3rd Party Tested

Nutrivo

8.8

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Magnesium Threonate 1800mg | 133mg Elemental Magnesium | High Strength L-Threonate Capsules for Brain & Nervous System Support | Vegan Supplement | Raw Powders

Raw Powders

8.6

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Longevity Can Magnesium L-Threonate Powder 50g | Pure Magnesium L-Threonate | 1500mg (3 Scoops) | ~33 Servings | Unflavoured | Vegan | Additive-Free | Third-Party Tested | Metal Tin

Longevity Can

8.4

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Vitabay Magnesium-L-Threonate 2000mg - 120 Vegan Liposomal Magnesium L Threonate 2000mg Softgels - Highly Dosed Softgels with Vitamin D3 Cholecalciferol (1000 IU) & K2 MK7 (100mcg) - Laboratory Tested

vitabay

8.2

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Strong Natural - Magnesium L-Threonate 120 capsules- free pill box - High dose with 500 mg per capsule, 2000 mg daily dose - 100% natural, laboratory tested

Strong Natural

8.1

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