Fluid extract of coca, 2 fluidounces.

Fluid extract of guarana, 2 fluidounces.

Purified talcum, 240 grains.

Simple elixir, 12 fluidounces.

Triturate the mixed fluid extracts with the purified talcum, gradually add the simple elixir, shaking well together, and agitate occasionally for twenty-four hours, then filter

Each fluidrachm represents seven and one-half grains each of coca and guarana.