Pure and Essential Focus Comprehensive Nootropic, 200mg Caffeine, L-Theanine, Taurine, L-Tyrosine, B-Vitamins, Non-GMO, Brain Booster and Cognitive Performance, Fast Acting & Non Jittery, 180 Capsules - Igennus Healthcare Nutrition, IGN245

• NATURAL NOOTROPIC: expertly formulated by nutritionists & our resident doctor with balanced nutrient ratios. We combine 200mg caffeine with 200mg L-Theanine for a calm, relaxed focus without leaving you over-stimulated and jittery or unable to sleep AMINO ACIDS FOR ENHANCED CREATIVE THINKING: 200mg dose of taurine, L-Theanine & L-Tyrosine for balanced neurotransmitters, alpha wave production & enhanced BDNF(brain-derived neurotrophic factor ) levels RAPID-ACTION BRAIN BOOSTER SUPPLEMENT: effective, fast-acting nutrient blend to provide a boost to concentration & BIOACTIVE B-VITAMINS & CHELATED MINERALS help boost mental sharpness /performance & support essential cognitive process GMP manufactured in the UK. certified vegan. suitable for halal & kosher diets. Take 30-60 minutes before desired effects