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.

  • Doses, fillers and hidden blends checked
  • Today's price and cost per serving
  • One click to order on iHerb

We may earn a commission when you buy through these links, at no extra cost to you. It never changes a score or a ranking. See how we score

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

341 picks in magnesium, highest score first

97KalmAssure Magnesium Capsules 400 mg82/100Nature's PlusKalmAssure Magnesium Capsules 400 mgcapsule · 30 servings · $0.41/servingBuy on iHerb · $12.28
98KalmAssure Magnesium Capsules82/100NaturesPlusKalmAssure Magnesium Capsulescapsule · 30 servings · $0.41/servingBuy on iHerb · $12.28
99Magnesium Asporotate 400 mg82/100SolarayMagnesium Asporotate 400 mgcapsule · 60 servings · $0.25/servingBuy on iHerb · $14.99
100KalmAssure Magnesium Capsules 420 mg82/100NaturesPlusKalmAssure Magnesium Capsules 420 mgcapsule · 30 servings · $0.41/servingBuy on iHerb · $12.28
101KalmAssure Magnesium Powder 420 mg Refreshing Pink Lemonade82/100NaturesPlusKalmAssure Magnesium Powder 420 mg Refreshing Pink Lemonadepowder · 60 servings · $0.47/servingBuy on iHerb · $28.01
102High Absorption Magnesium Glycinate82/100KALHigh Absorption Magnesium Glycinatesoftgel · 30 servings · $0.78/servingBuy on iHerb · $23.49
103Calcium 1000 mg Magnesium 500 mg Zinc 50 mg with L-Glutamic Acid82/100Country LifeCalcium 1000 mg Magnesium 500 mg Zinc 50 mg with L-Glutamic Acidtablet · 83 servings · $0.33/servingBuy on iHerb · $27.19
104Extra Strength Magnesium 420 mg82/100Qunol MineralsExtra Strength Magnesium 420 mgcapsule · 60 servings · $0.25/servingBuy on iHerb · $15.00
105Magnesium Complex82/100Absolute NutritionMagnesium Complexcapsule · 30 servings · $0.77/servingBuy on iHerb · $23.17
106Calcium Magnesium Zinc With L-Glutamic Acid 1000 mg : 500 mg : 50 mg82/100Country LifeCalcium Magnesium Zinc With L-Glutamic Acid 1000 mg : 500 mg : 50 mgtablet · 83 servings · $0.33/servingBuy on iHerb · $27.19
107Magnesium Citrate81/100Protocol For Life BalanceMagnesium Citratetablet · 50 servings · $0.45/servingBuy on iHerb · $22.66
108Calcium Magnesium Zinc81/100SolarayCalcium Magnesium Zinccapsule · 62 servings · $0.41/servingBuy on iHerb · $25.49
109Magnesium Citrate 200 mg80/100NOWMagnesium Citrate 200 mgtablet · 50 servings · $0.25/servingBuy on iHerb · $12.61
110Magnesium Caps 400 mg80/100NOWMagnesium Caps 400 mgcapsule · 30 servings · $0.49/servingBuy on iHerb · $14.69
111Magnesium 200 mg80/100Nature's PlusMagnesium 200 mgtablet · 30 servings · $0.52/servingBuy on iHerb · $15.68
112Magnesium Malate 1500 mg80/100Double Wood SupplementsMagnesium Malate 1500 mgcapsule · 140 servings · $0.18/servingBuy on iHerb · $24.95
113Magnesium Taurate 1500 mg80/100Double Wood SupplementsMagnesium Taurate 1500 mgcapsule · 70 servings · $0.28/servingBuy on iHerb · $19.95
114Magnesium Oxide 375 mg80/100NutricostMagnesium Oxide 375 mgcapsule · 240 servings · $0.05/servingBuy on iHerb · $10.99
115Magnesium Citrate 420 mg80/100NutricostMagnesium Citrate 420 mgcapsule · 120 servings · $0.15/servingBuy on iHerb · $17.95
116Extra Strength Magnesium 400 mg80/100Nature's TruthExtra Strength Magnesium 400 mgsoftgel · 72 servings · $0.11/servingBuy on iHerb · $8.02
117Triple Magnesium Complex80/100Nature's TruthTriple Magnesium Complexcapsule · 100 servings · $0.08/servingBuy on iHerb · $8.29
118Magnesium Citrate Fruit Flavor80/100LifeableMagnesium Citrate Fruit Flavorgummy · 30 servings · $0.50/servingBuy on iHerb · $15.11
119Magnesium Complex80/100Nature's WayMagnesium Complexcapsule · 50 servings · $0.16/servingBuy on iHerb · $8.24
120Chelated Magnesium80/100CarlsonChelated Magnesiumtablet · 30 servings · $0.57/servingBuy on iHerb · $17.00

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.