Catalog / Amino acids / Other amino acidsOther amino acids2 productsAll293Other amino acids123BCAA44Citrulline & arginine44Glutamine42EAA29Beta-alanine11Form:Capsules✕Servings per pack:80+✕Brand:Doctor's Best✕Clear all2 productsFeaturedPrice ↑Price ↓Name A–ZFeaturedPrice ↑Price ↓Name A–ZFilters3Sort: FeaturedCapsules×80+×Doctor's Best×ClearSort×FeaturedPrice ↑Price ↓Name A–ZFilters×Type▾Theanine1Tyrosine1Form▾Capsules2Servings per pack▾40–80180+2Diet▾Gluten-free1Brand▾NOW Foods13Swanson5Olimp Nutrition4Allnutrition3Doctor's Best2Jarrow Formulas2Life Extension2Nutrend1+ Show more (3)Price▾€15–301€30–501Clear allShow 2 productsSort:FeaturedPrice ↑Price ↓Name A–ZFeaturedPrice ↑Price ↓Name A–ZKey facts✕150 mgL-Theanine3 moLasts1 caps / dayIntakeDoctor's BestDoctor's Best L-Theanine with Suntheanine, 150mg - 90 vcaps150 mg L-TheanineKey facts€30.39€0.34/cap+151 fitcoinAddKey facts✕500 mgTyrosine4 moLasts1 caps / dayIntakeDoctor's BestDoctor's Best L-Tyrosine, 500mg - 120 vcaps500 mg TyrosineKey facts€18.39€0.15/cap+91 fitcoinAdd