Abstract: A method of modulating glandular secretions by administering acoustic shock waves to a reflexology zone or region has been discovered. In one preferred embodiment, a treatment method achieves one or more of a) modulating blood sugar levels, b) stimulating insulin production levels or c) normalizing A1C levels by using the step of administering acoustic shock waves to a reflexology zone or region. The treatment method further has the steps of: activating acoustic shock waves of an acoustic shock wave generator to emit acoustic shock waves; subjecting the reflexology zone to acoustic shock waves stimulating the pancreas to have a modulated response wherein the modulated response is one of an adjustment in blood sugar levels or insulin production and release or normalizing A1C levels which increases low level output, decreases high level output or stabilizes erratic output; and wherein the emitted acoustic shock waves are focused or unfocused acoustic shock waves.