$1.80 median of 8 in-stock listings. Updated Aug 26, 2026.
1–8 of 8 products.Updated Aug 26, 2026
| $/g magnesium ▼ | Dose | Price | Size | Form | Type | Rating | Name |
|---|
| $9.78 | 150 mg | $43.99 | 120 g · 30 srv | Powder | Complex | 4.3 (2.7K) | Moon Juice, Magnesi-Om Magnesium Powder, Relaxation, Berry, 4.2oz | Chelated complex + L-theanine blend, rest & regularity, vegan, non-GMO, sugar-free, 30 servings |
| ~$7.22 | ~300 mg | $64.99 | 90 caps · 30 srv | Capsules | Complex | 4.6 (223) | XYMOGEN OptiMag Neuro, 90 Capsules | Magnesium L-Threonate with Albion Chelates, Brain, Stress, and Sleep Support, Bioavailable Magnesium Complex |
| $4.06 | 279 mg | $33.99 | 90 caps · 30 srv | Capsules | Complex | 4.6 (58) | NORTH AMERICAN HERB & SPICE PurelyMin - 90 Vegi Caps - Highly Absorbable Magnesium Complex + L-Theanine - 30 Servings |
| $1.80 | 405 mg | $21.91 | 60 caps · 30 srv | Capsules | Complex | 4.9 (93) | Lunakai USA Made 7-in-1 Magnesium Complex for Women & Men - 405mg Blend with B6 P-5-P for Daily Muscle, Sleep, Stress & Energy Support, Non-GMO Supplement, 60 Capsules |
| ~$1.24 | ~300 mg | $16.75 | 90 caps · 45 srv | Capsules | Complex | 4.2 (45) | Natural Vitality MaxCalm Magnesium Complex Capsules | Advanced Formula & Enhanced Absorption | Gluten Free & Vegan Supplement | 90 Count |
| ~$1.11 | ~300 mg | $29.97 | 90 caps · 90 srv | Capsules | Complex | 4.6 (373) | Magnesium L-Threonate Complex with Apigenin and L-theanine, 90 Capsules, Patented Magtein Supplement |
| ~$0.11 | ~1.5 g | $19.99 | 240 caps · 120 srv | Capsules | Complex | 4.6 (58) | Horbäach Magnesium Complex | 1490 mg | 240 Capsules | 10 Forms of Elemental Magnesium | Vegan, Non-GMO, Gluten Free |
| — | 500 mg | $24.95 | — | Capsules | Complex | 4.6 (1.7K) | Spectrum 5 Magnesium | 5-in-1 Complex | 72 Trace Minerals for Enhanced Absorption | Irish Sea Sourced | 500mg per Serving | Third Party Tested, GMP Certified |