Pump Sauce® is manufactured in the USA, made in a FDA certified & GMP certified facility. There is no caffeine, dyes, or banned substances in Pump Sauce®.
Liquid Glycerol Research
PUMP SAUCE didn't discover glycerol but we were one of the pioneers of making it taste good and work synergistically with other nitric oxide enhancing ingredients. Liquid glycerol is amazing at helping your body stay hydrated.