Are there any research PhD's or MD-PhD's out there who would comment on the science and efficacy of?

Question

commercial supplements intended for good physical fitness ? THanks

Answer 1

Honestly , manufacturers spend more money on canvassing and advertising such drugs than making ,packing and transport..
Arcalion is a classical example which proves my point.

"Arcalion is a symptomatic treatment of functional asthenia. It is intended for the various manifestations of asthenia such as fatigue, memory difficulties, intellectual tiredness and convalescence from illness and infections."-- claim by Serdia.
Not found useful in practice