Sustained Energy - 90 Veg Capsules

Sustained Release Caffeine with Xtenergy Mental Alertness* 30 mg of CoQ10 (Coenzyme Q10) (Ubiquinone) With B Vitamins NOW® Sports Sustained Energy is formulated to supply the nutrients you need to promote sustained energy production and mental alertness.* With a complement of B vitamins and other cofactors such as chromium, magnesium malate, and carnitine, Sustained Energy delivers what your cells need most to drive energy production.* This product also has tyrosine and iodine to support optimal thyroid function, plus a blend of immediate and sustained release caffeine to get you going and keep you going.* This product has approx. 120 mg of immediate and sustained release caffeine per serving (equivalent to about 1 1/4 cups of coffee). Study on How Long Caffeine Stays in the Blood and How Much is Absorbed Over Time Randomized, double-blind, single-dose, active-controlled, crossover; 26 healthy males (aged 26 – 38). Results: Sustained-Release Caffeine (SRC) form Xtenergy formulations