Complex Magnesium — price per gram (United States)

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Cheapest right now: $0.11 per gram — Horbäach Magnesium Complex | 1490 mg | 240 Capsules | 10 Forms of Elemental Magnesium | Ve…. $1.80 median of 8 in-stock listings. Updated Aug 26, 2026.

1–8 of 8 products.Updated Aug 26, 2026

$/g magnesium ▲DosePriceSizeFormTypeRatingName
~$0.11~1.5 g$19.99240 caps · 120 srvCapsulesComplex4.6 (58)Horbäach Magnesium Complex | 1490 mg | 240 Capsules | 10 Forms of Elemental Magnesium | Vegan, Non-GMO, Gluten Free
~$1.11~300 mg$29.9790 caps · 90 srvCapsulesComplex4.6 (373)Magnesium L-Threonate Complex with Apigenin and L-theanine, 90 Capsules, Patented Magtein Supplement
~$1.24~300 mg$16.7590 caps · 45 srvCapsulesComplex4.2 (45)Natural Vitality MaxCalm Magnesium Complex Capsules | Advanced Formula & Enhanced Absorption | Gluten Free & Vegan Supplement | 90 Count
$1.80405 mg$21.9160 caps · 30 srvCapsulesComplex4.9 (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
$4.06279 mg$33.9990 caps · 30 srvCapsulesComplex4.6 (58)NORTH AMERICAN HERB & SPICE PurelyMin - 90 Vegi Caps - Highly Absorbable Magnesium Complex + L-Theanine - 30 Servings
~$7.22~300 mg$64.9990 caps · 30 srvCapsulesComplex4.6 (223)XYMOGEN OptiMag Neuro, 90 Capsules | Magnesium L-Threonate with Albion Chelates, Brain, Stress, and Sleep Support, Bioavailable Magnesium Complex
$9.78150 mg$43.99120 g · 30 srvPowderComplex4.3 (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
—500 mg$24.95—CapsulesComplex4.6 (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