Naturally and artificially flavored. 220 calories per can. Proud Supporter: USO. Easy-drinking. Hard-working. Hard-working Full Throttle combines great taste with the energy to help you get the job done. Full Throttle proudly supports the USO, honoring the hard work and sacrifice of those who serve their family, community, and country. Easy-drinking energy. Per Can: 160 mg caffeine; 19 mg D-ribose; 200% DV niacin (B3). In 2013, Full Throttle is making a charitable donation of $250,000 to further the mission of the USO. Caffeine content: 160 mg/16 fl oz. Please recycle. Made in the USA.