• Mental Alertness*
• Sustained Release Caffeine
• 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.*