Supplement Ratings

iHerb picks

Best Magnesium on iHerb

Skip hours of label reading. Every pick below is sold on iHerb and passed our label check with 60+ points, so whatever you choose is worth taking, and you see today's price before you click.

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Top ratedBest value

341 picks in magnesium, highest score first

73Magnesium 350 mg83/100CarlsonMagnesium 350 mgcapsule · 90 servings · $0.11/servingBuy on iHerb · $9.95
74Tri-Magnesium83/100Integrative TherapeuticsTri-Magnesiumcapsule · 30 servings · $0.70/servingBuy on iHerb · $21.00
75Magnesium Oxide83/100Douglas LaboratoriesMagnesium Oxidecapsule · 100 servings · $0.12/servingBuy on iHerb · $12.08
76Extend-Release Magnesium83/100Life ExtensionExtend-Release Magnesiumcapsule · 30 servings · $0.33/servingBuy on iHerb · $9.75
77Calcium Magnesium 2:1 Ratio83/100SolarayCalcium Magnesium 2:1 Ratiocapsule · 45 servings · $0.38/servingBuy on iHerb · $17.29
78Magnesium 500 mg83/100KALMagnesium 500 mgtablet · 30 servings · $0.37/servingBuy on iHerb · $11.12
79Magnesium Oxide 500 mg83/100Nature's TruthMagnesium Oxide 500 mgcapsule · 90 servings · $0.08/servingBuy on iHerb · $7.51
80Magnesium Glycinate 350 mg83/100LifeSeasons EssentialsMagnesium Glycinate 350 mgcapsule · 30 servings · $0.57/servingBuy on iHerb · $17.00
81Magnesium Complex with D3 & Zinc83/100Nature MadeMagnesium Complex with D3 & Zinccapsule · 30 servings · $0.69/servingBuy on iHerb · $20.62
82Advanced Magnesium Complex 500 mg83/100ForestLeafAdvanced Magnesium Complex 500 mgcapsule · 120 servings · $0.17/servingBuy on iHerb · $20.59
83Magnesium 250 mg Supplement83/100Nature MadeMagnesium 250 mg Supplementtablet · 30 servings · $0.29/servingBuy on iHerb · $8.58
84Triple Magnesium Complex82/100SwansonTriple Magnesium Complexcapsule · 30 servings · $0.53/servingBuy on iHerb · $15.89
85High Absorption 100% Chelated Magnesium82/100Doctor's BestHigh Absorption 100% Chelated Magnesiumtablet · 60 servings · $0.23/servingBuy on iHerb · $13.99
86Target-Mins Magnesium Caps 300 mg82/100Country LifeTarget-Mins Magnesium Caps 300 mgcapsule · 30 servings · $0.43/servingBuy on iHerb · $12.99
87Target-Mins Calcium-Magnesium Complex 1000 mg - 500 mg82/100Country LifeTarget-Mins Calcium-Magnesium Complex 1000 mg - 500 mgtablet · 45 servings · $0.43/servingBuy on iHerb · $19.49
88Magnesium Citrate82/100NOWMagnesium Citratetablet · 50 servings · $0.25/servingBuy on iHerb · $12.61
89Magnesium 200 mg82/100Swanson Premium BrandMagnesium 200 mgcapsule · 125 servings · $0.10/servingBuy on iHerb · $12.69
90Triple Magnesium Complex 400 mg82/100Swanson Premium BrandTriple Magnesium Complex 400 mgcapsule · 30 servings · $0.77/servingBuy on iHerb · $23.19
91Albion Chelated Magnesium Glycinate Powder82/100Swanson UltraAlbion Chelated Magnesium Glycinate Powderpowder · 30 servings · $0.65/servingBuy on iHerb · $19.57
92Triple Magnesium Complex 400 mg82/100SwansonTriple Magnesium Complex 400 mgcapsule · 30 servings · $0.77/servingBuy on iHerb · $23.19
93Magnesium 200 mg82/100SwansonMagnesium 200 mgcapsule · 125 servings · $0.10/servingBuy on iHerb · $12.69
94High Absorption Magnesium 100 mg82/100Doctor's BestHigh Absorption Magnesium 100 mgtablet · 60 servings · $0.23/servingBuy on iHerb · $13.99
95Mag Complete82/100Complementary PrescriptionsMag Completecapsule · 60 servings · $0.32/servingBuy on iHerb · $18.99
96High Adsorption Magnesium 100% Chelated 100 mg82/100Doctor's BestHigh Adsorption Magnesium 100% Chelated 100 mgtablet · 120 servings · $0.20/servingBuy on iHerb · $23.99

Scores rate what's on the label (dosage transparency, cleanliness, ingredient profile), not clinical results. Prices come from the iHerb catalog feed and can change at checkout. See the full Best Magnesium 2026 ranking.