Liquid Caffeine. Add this caffeine to your favorite beverage to give it an energizing boost. One 4oz bottle contains more caffeine than 6 cans of Red Bull®. Ingredients: 100% Pure UPS Kosher Grade Caffeine Powder liquefied in pure natural spring water and electrolytes ready for human consumption. Usage Rate: No more than 500mg in a 24 hour period. Use at your own risk, Keep out the reach of children. Note: This item (Liquid Caffeine) is not recommended for e use. Independently laboratory tested Diacetyl free.