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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AllAshwagandha & AdaptogensB VitaminsBiotinCalciumCollagenCoQ10CreatineGreens & SuperfoodsIronMagnesiumMelatonin & SleepMultivitaminsOmega-3 & Fish OilPre-WorkoutProbioticsProtein SupplementsTurmeric & CurcuminVitamin CVitamin DZinc
Top ratedBest value

341 picks in magnesium, highest score first

1CALM Sleep Mixed Berry Flavor92/100Natural VitalityCALM Sleep Mixed Berry Flavorpowder · 113 servings · $0.22/servingBuy on iHerb · $24.71
2Magnesium Glycinate90/100CodeageMagnesium Glycinatecapsule · 60 servings · $0.67/servingBuy on iHerb · $39.99
3Liposomal Magnesium Glycinate90/100CodeageLiposomal Magnesium Glycinatecapsule · 60 servings · $0.67/servingBuy on iHerb · $39.99
4Magnesium89/100Paradise Earth's BlendMagnesiumcapsule · 45 servings · $0.33/servingBuy on iHerb · $14.99
5Magnesium Citrate Tropical Drink Mix88/100Natural Factors Stress-RelaxMagnesium Citrate Tropical Drink Mixpowder · 75 servings · $0.29/servingBuy on iHerb · $21.60
6Magnesium Citrate Berry Drink Mix88/100Natural Factors Stress-RelaxMagnesium Citrate Berry Drink Mixpowder · 75 servings · $0.29/servingBuy on iHerb · $21.60
7Magnesium + Ashwagandha88/100New ChapterMagnesium + Ashwagandhatablet · 30 servings · $0.43/servingBuy on iHerb · $12.97
8Ancient Nutrients Magnesium88/100Ancient NutritionAncient Nutrients Magnesiumcapsule · 30 servings · $0.85/servingBuy on iHerb · $25.46
9Magnesium 300 mg88/100Ancient NutritionMagnesium 300 mgcapsule · 30 servings · $0.85/servingBuy on iHerb · $25.46
10Magnesium 300 mg88/100Innate Response FormulasMagnesium 300 mgcapsule · 60 servings · $0.58/servingBuy on iHerb · $34.99
11Magnesium Inositol Relax Lemonade Flavor88/100NOWMagnesium Inositol Relax Lemonade Flavorpowder · 76 servings · $0.27/servingBuy on iHerb · $20.21
12Magnesium Caps with Silica 300 mg88/100Country Life Target-MinsMagnesium Caps with Silica 300 mgcapsule · 60 servings · $0.22/servingBuy on iHerb · $12.99
13Magnesium 300 mg88/100MegaFoodMagnesium 300 mgcapsule · 30 servings · $0.53/servingBuy on iHerb · $15.99
14Optimum Absorption Magnesium Glycinate with BioPerine88/100Mason NaturalOptimum Absorption Magnesium Glycinate with BioPerinecapsule · 30 servings · $0.37/servingBuy on iHerb · $10.99
15Magnesium Inositol Relax Lemon Flavor88/100NOWMagnesium Inositol Relax Lemon Flavorpowder · 76 servings · $0.27/servingBuy on iHerb · $20.21
16Magnesium Citrate Natural Berry Drink Mix88/100Natural Factors Stress-RelaxMagnesium Citrate Natural Berry Drink Mixpowder · 75 servings · $0.29/servingBuy on iHerb · $21.60
17KalmAssure Magnesium Powder 400 mg Refreshing Natural Orange Flavor87/100Nature's PlusKalmAssure Magnesium Powder 400 mg Refreshing Natural Orange Flavorpowder · 60 servings · $0.47/servingBuy on iHerb · $28.01
18Relax Magnesium Powder Berry87/100youtheoryRelax Magnesium Powder Berrypowder · 21 servings · $0.91/servingBuy on iHerb · $19.19
19Liquid Calcium Magnesium Citrate Natural Mixed Berry Flavor87/100BluebonnetLiquid Calcium Magnesium Citrate Natural Mixed Berry Flavorliquid · 16 servings · $1.00/servingBuy on iHerb · $15.96
20Reacted Magnesium 200 Milligrams87/100NutraBioReacted Magnesium 200 Milligramscapsule · 60 servings · $0.37/servingBuy on iHerb · $21.99
21Calcium Magnesium Zinc + D386/10021st CenturyCalcium Magnesium Zinc + D3tablet · 30 servings · $0.20/servingBuy on iHerb · $6.04
22High Absorption Magnesium Glycinate 35086/100KALHigh Absorption Magnesium Glycinate 350capsule · 40 servings · $0.53/servingBuy on iHerb · $21.39
23Higher Absorption Magnesium Glycinate 350mg86/100SolarayHigher Absorption Magnesium Glycinate 350mgcapsule · 30 servings · $0.61/servingBuy on iHerb · $18.39
24Target-Mins Calcium Magnesium Zinc85/100Country LifeTarget-Mins Calcium Magnesium Zinctablet · 30 servings · $0.66/servingBuy on iHerb · $19.89

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.