No - he is not he is a back cracker who decided that his rudimentary understanding of human anatomy some-how qualified him to make pronouncements about nutrition.
How did we evolve from humoring these pseudo-doctors who claim to cure cancer via a back alignment to I am a "doctor" - so I can extend your life - minor detail - I have not a shred of empirical evidence to support my wild claims - but hey - buy my book - buy my supplements and all is good.
I always like Canada's approach: you claim to be an "Engineer" - you had better have an engineering degree and you had better be registered as a Professional Engineer with an actual licensing body.