Category guide · 2026

Best Magnesium Supplements

Best Magnesium Supplements ranked by clinical evidence, ingredient dosing and manufacturing transparency. Top pick: Thorne Magnesium Bisglycinate (87/100). Updated 2026.

Ranked by science score

  1. Thorne Magnesium Bisglycinate — 87/100 · $22
  2. BrainMD - Magnesium Chewables — 85/100 · $20.95
  3. Pure Encapsulations - Magnesium (Citrate) 150mg — 85/100 · $34.50
  4. Pure Encapsulations - Magnesium Glycinate 120mg - 90 ct. — 83/100 · $27
  5. Magnesium 101 — 82/100 · $21.95
  6. Magnesium Threonate — 80/100 · $52
  7. Doctors Best High Absorption Magnesium — 80/100 · $15
  8. Magnesium Breakthrough — 78/100 · $39.95
  9. Pure Encapsulations Magnesium Glycinate — 77/100 · $27
  10. 10X Health 5-MTHF Methylfolate - Methylated Folate & Magnesium Supplement — 76/100 · $39.99
  11. Designs for Health - Magnesium Glycinate — 74/100 · $46.50
  12. SlowMag Magnesium Chloride + Calcium — 74/100 · $15
  13. Jigsaw Health MagSRT B-Free — 74/100 · $40
  14. NOW Magnesium Citrate — 73/100 · $12
  15. Natural Vitality Calm Magnesium — 72/100 · $22
  16. Klaire Labs Magnesium Glycinate Complex — 72/100 · $22
  17. Sports Research Magnesium Glycinate — 72/100 · $20
  18. Trace Minerals Mega Mag — 72/100 · $20
  19. Magnesium Glycinate with Naturally Sourced Vitamin D3 — 70/100 · $27.99
  20. Electrolyte Powder with 1000 mg of Potassium with Magnesium — 69/100 · $46.99

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