Elixir of calisaya bark with pyrophosphate of iron, 8 fluidounces.

Elixir of pepsin, 8 fluidounces.

Mix them together and neutralize, or render slightly alkaline, if necessary, by means of ammonia water.

Each fluidrachm (teaspoonful) of the finished elixir contains one grain each of pyrophosphate of iron and saccharated pepsin, and represents about two grains of officinal calisaya bark.