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

25Magnesium Oxide85/100NOWMagnesium Oxidepowder · 324 servings · $0.03/servingBuy on iHerb · $10.40
26High Potency Magnesium 500 mg85/100Nature's BountyHigh Potency Magnesium 500 mgtablet · 30 servings · $0.24/servingBuy on iHerb · $7.13
27Magnesium Aspartate85/100BluebonnetMagnesium Aspartatecapsule · 50 servings · $0.35/servingBuy on iHerb · $17.56
28Magnesium Aspartate 400 mg85/100BluebonnetMagnesium Aspartate 400 mgcapsule · 100 servings · $0.32/servingBuy on iHerb · $31.96
29Albion DiMagnesium Malate85/100Swanson UltraAlbion DiMagnesium Malatepowder · 30 servings · $0.65/servingBuy on iHerb · $19.59
30High Absorption Magnesium Powder85/100Doctor's BestHigh Absorption Magnesium Powdertablet · 100 servings · $0.20/servingBuy on iHerb · $19.99
31Magnesium Citrate Pure Powder85/100NOWMagnesium Citrate Pure Powderpowder · 76 servings · $0.16/servingBuy on iHerb · $12.24
32Magnesium Bisglycinate Powder85/100NOWMagnesium Bisglycinate Powderpowder · 91 servings · $0.16/servingBuy on iHerb · $14.69
33Reacted Magnesium 200 mg85/100NutraBioReacted Magnesium 200 mgcapsule · 60 servings · $0.37/servingBuy on iHerb · $21.99
34Tri-Mag 30085/100DaVinci Laboratories Of VermontTri-Mag 300capsule · 30 servings · $0.99/servingBuy on iHerb · $29.66
35Magnesium 500 mg85/100Nature's BountyMagnesium 500 mgtablet · 30 servings · $0.24/servingBuy on iHerb · $7.13
36CALM Raspberry-Lemon Flavor85/100Natural VitalityCALM Raspberry-Lemon Flavorliquid · 113 servings · $0.23/servingBuy on iHerb · $25.77
37Advanced Magnesium85/100InnovixLabsAdvanced Magnesiumcapsule · 75 servings · $0.33/servingBuy on iHerb · $24.99
38Magnesium 200 mg85/100NutraBioMagnesium 200 mgcapsule · 60 servings · $0.37/servingBuy on iHerb · $21.99
39Natural CALM (Unflavored)85/100Natural VitalityNatural CALM (Unflavored)powder · 100 servings · $0.36/servingBuy on iHerb · $35.99
40Natural CALM Sweet Lemon Flavor85/100Natural VitalityNatural CALM Sweet Lemon Flavorpowder · 100 servings · $0.32/servingBuy on iHerb · $32.21
41Magnesium Citrate 400 mg85/100SolarayMagnesium Citrate 400 mgcapsule · 30 servings · $0.40/servingBuy on iHerb · $11.99
42Mag Complete85/100Klaire LabsMag Completecapsule · 60 servings · $0.32/servingBuy on iHerb · $18.99
43Magnesium Glycinate 400 mg85/100BluebonnetMagnesium Glycinate 400 mgcapsule · 15 servings · $0.90/servingBuy on iHerb · $13.56
44High Absorption Magnesium Powder Sweet Peach85/100Doctor's BestHigh Absorption Magnesium Powder Sweet Peachpowder · 43 servings · $0.70/servingBuy on iHerb · $29.99
45Magnesium Powder Orange Naturally Flavored85/100California Gold NutritionMagnesium Powder Orange Naturally Flavoredpowder · 115 servings · $0.17/servingBuy on iHerb · $19.25
46Magnesium Powder Unflavored85/100California Gold NutritionMagnesium Powder Unflavoredpowder · 113 servings · $0.15/servingBuy on iHerb · $17.03
47Mag Glycinate 350 mg85/100ZHOUMag Glycinate 350 mgcapsule · 45 servings · $0.46/servingBuy on iHerb · $20.49
48Tri-Mag 30085/100Davinci LaboratoriesTri-Mag 300capsule · 30 servings · $0.99/servingBuy on iHerb · $29.66

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.