Supplement Ratings

iHerb picks

Best Amino Acids 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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AllAmino AcidsAntioxidants & LongevityAshwagandha & AdaptogensB VitaminsBiotinBlood Sugar SupportBrain & NootropicsCalciumCollagenCoQ10CreatineDigestive HealthEye HealthGreens & SuperfoodsHeart HealthHerbs & BotanicalsHormone & Sexual HealthImmune SupportIronJoint SupportLiver & DetoxMagnesiumMelatonin & SleepMinerals & ElectrolytesMultivitaminsMushroomsOmega-3 & Fish OilPre-WorkoutProbioticsProtein SupplementsTurmeric & CurcuminUrinary HealthVitamin CVitamin DVitamins A, E & KWeight ManagementZinc
Top ratedBest value

Highest score first

601L-Carnitine 500 mg68/100SolgarL-Carnitine 500 mgtablet · 30 servings · $0.85/servingBuy on iHerb · $25.49
6025-HTP 100 mg Fast Dissolve Mixed Berry Natural Flavor68/100Natrol5-HTP 100 mg Fast Dissolve Mixed Berry Natural Flavortablet · 30 servings · $0.55/servingBuy on iHerb · $16.37
603Super Carnosine 500 mg68/100Life ExtensionSuper Carnosine 500 mgcapsule · 30 servings · $1.05/servingBuy on iHerb · $31.50
604SAMe 200 mg S-Adenosyl-Methionine68/100Life ExtensionSAMe 200 mg S-Adenosyl-Methioninetablet · 30 servings · $0.68/servingBuy on iHerb · $20.25
605Daily Amino Acid68/10021st CenturyDaily Amino Acidtablet · 30 servings · $0.33/servingBuy on iHerb · $9.99
606L-Lysine 1000 mg68/100KALL-Lysine 1000 mgtablet · 100 servings · $0.17/servingBuy on iHerb · $16.88
607L-Carnitine 1500 Heat Gummy Bear68/100VMI Sports Black SeriesL-Carnitine 1500 Heat Gummy Bearliquid · 31 servings · $0.90/servingBuy on iHerb · $27.99
608L-Carnitine 1500 Heat Patriot Pop68/100VMI Sports Black SeriesL-Carnitine 1500 Heat Patriot Popliquid · 31 servings · $0.90/servingBuy on iHerb · $27.99
609SAMe 400 mg68/100SwansonSAMe 400 mgtablet · 30 servings · $1.03/servingBuy on iHerb · $30.99
610Grunt Cherry Lime68/100Redcon1Grunt Cherry Limepowder · 30 servings · $0.90/servingBuy on iHerb · $26.99
611HMB 1,000 mg68/100NutricostHMB 1,000 mgcapsule · 120 servings · $0.17/servingBuy on iHerb · $19.95
612SAMe 200 mg68/100Natural FactorsSAMe 200 mgtablet · 30 servings · $0.63/servingBuy on iHerb · $18.87
613HMB 300068/100ALLMAX ESSENTIALSHMB 3000capsule · 30 servings · $0.77/servingBuy on iHerb · $23.11
614Chewbale GABA Natural Orange Flavor68/100NOWChewbale GABA Natural Orange Flavorchewable · 45 servings · $0.33/servingBuy on iHerb · $14.69
615SAMe 200 mg68/100Doctor's BestSAMe 200 mgtablet · 60 servings · $0.57/servingBuy on iHerb · $33.99
616SAM-e 200 mg67/100Jarrow FormulasSAM-e 200 mgtablet · 60 servings · $0.72/servingBuy on iHerb · $43.13
617Acetyl-L-Carnitine 500 mg67/100Life ExtensionAcetyl-L-Carnitine 500 mgcapsule · 30 servings · $0.80/servingBuy on iHerb · $24.00
618L-Tyrosine 500 mg67/100Natural FactorsL-Tyrosine 500 mgcapsule · 30 servings · $0.24/servingBuy on iHerb · $7.18
619L-Theanine 100 mg67/100Life ExtensionL-Theanine 100 mgcapsule · 30 servings · $0.60/servingBuy on iHerb · $18.00
620Alpha EAA Cherry Lime Slush67/100NutraBioAlpha EAA Cherry Lime Slushpowder · 30 servings · $1.50/servingBuy on iHerb · $44.99
621Alpha EAA Strawberry Lemon Bomb67/100NutraBioAlpha EAA Strawberry Lemon Bombpowder · 30 servings · $1.50/servingBuy on iHerb · $44.99
622Proline & Lysine67/100Source NaturalsProline & Lysinetablet · 30 servings · $0.53/servingBuy on iHerb · $15.78
623TMG Liquid Natural Raspberry Flavoring67/100KirkmanTMG Liquid Natural Raspberry Flavoringliquid · 94 servings · $0.49/servingBuy on iHerb · $46.20
624Leanshots L-Carnitine 3000 Blue Razz67/100NutraBio PerformanceLeanshots L-Carnitine 3000 Blue Razzliquid · 31 servings · $0.97/servingBuy on iHerb · $29.99

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 Amino Acids ranking.