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

265Magtein Magnesium L-Threonate70/100BluebonnetMagtein Magnesium L-Threonatecapsule · 30 servings · $1.00/servingBuy on iHerb · $29.96
266Magnesium Glycinate 400 mg70/100Double Wood SupplementsMagnesium Glycinate 400 mgcapsule · 180 servings · $0.10/servingBuy on iHerb · $17.95
267Magnesium Threonate70/100MomentousMagnesium Threonatecapsule · 30 servings · $1.67/servingBuy on iHerb · $49.99
268Mag LT 2000 mg70/100Sports ResearchMag LT 2000 mgcapsule · 30 servings · $1.00/servingBuy on iHerb · $29.95
269Magtein Magnesium L-Threonate70/100Protocol For Life BalanceMagtein Magnesium L-Threonatecapsule · 30 servings · $1.75/servingBuy on iHerb · $52.50
270Magnesium L-Threonate 2000 mg70/100Sports ResearchMagnesium L-Threonate 2000 mgcapsule · 30 servings · $1.00/servingBuy on iHerb · $29.95
271Liquid Magnesium70/100NOWLiquid Magnesiumliquid · 178 servings · $0.10/servingBuy on iHerb · $17.14
272Albion Chelated Magnesium & Calcium 2:1 Mag:Cal69/100Swanson UltraAlbion Chelated Magnesium & Calcium 2:1 Mag:Calcapsule · 30 servings · $0.66/servingBuy on iHerb · $19.69
273High Adsorption Magnesium 100 mg69/100Doctor's BestHigh Adsorption Magnesium 100 mgtablet · 120 servings · $0.20/servingBuy on iHerb · $23.99
274ProtoSorb Magnesium69/100Protocol For Life BalanceProtoSorb Magnesiumcapsule · 30 servings · $1.75/servingBuy on iHerb · $52.50
275Magnesium Glycinate 200 mg69/100Nature MadeMagnesium Glycinate 200 mgcapsule · 30 servings · $0.48/servingBuy on iHerb · $14.51
276Magnesium 250 mg68/10021st CenturyMagnesium 250 mgtablet · 110 servings · $0.05/servingBuy on iHerb · $5.49
277Liquid Magnesium Malate and Glycinate Tangerine Flavored68/100Nature's AnswerLiquid Magnesium Malate and Glycinate Tangerine Flavoredliquid · 16 servings · $1.03/servingBuy on iHerb · $16.49
278Magnesium Citrate 150 mg68/100Natural FactorsMagnesium Citrate 150 mgcapsule · 30 servings · $0.35/servingBuy on iHerb · $10.47
279Buffered Magnesium Oxide 180 mg68/100KirkmanBuffered Magnesium Oxide 180 mgcapsule · 250 servings · $0.10/servingBuy on iHerb · $24.50
280Pure, Buffered Magnesium Ascorbate68/100NOWPure, Buffered Magnesium Ascorbatepowder · 227 servings · $0.07/servingBuy on iHerb · $16.53
281Magnesium Citrate68/100Metabolic MaintenanceMagnesium Citratecapsule · 30 servings · $1.89/servingBuy on iHerb · $56.65
282Magnesium Glycinate68/100Metabolic MaintenanceMagnesium Glycinatecapsule · 30 servings · $1.46/servingBuy on iHerb · $43.78
283Potassium/Magnesium Citrate68/100Metabolic MaintenancePotassium/Magnesium Citratecapsule · 30 servings · $1.70/servingBuy on iHerb · $50.93
284Liquid Magnesium Malate and Glycinate68/100Nature's AnswerLiquid Magnesium Malate and Glycinateliquid · 16 servings · $1.03/servingBuy on iHerb · $16.49
285Magnesium Malate68/100KirkmanMagnesium Malatecapsule · 120 servings · $0.21/servingBuy on iHerb · $25.75
286Calcium Magnesium Zinc68/100Nature's TruthCalcium Magnesium Zinctablet · 30 servings · $0.19/servingBuy on iHerb · $5.78
287Buffered Magnesium Ascorbate68/100NOWBuffered Magnesium Ascorbatepowder · 227 servings · $0.07/servingBuy on iHerb · $16.53
288Magnesium Citrate 250 mg67/100Country LifeMagnesium Citrate 250 mgtablet · 60 servings · $0.38/servingBuy on iHerb · $22.79

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.