I am using it myself and everything has been positive so far, with steady loss and better numbers across the board. Cholesterol and LDL dropped around thirty percent, triglycerides fell sharply, the good cholesterol rose a bit, breathing issues cleared up, liver condition resolved on a scan, blood pressure normalized, and kidney readings improved.
All the extra upsides being studied should get him interested. The approval question is one thing, but what does that even mean these days when you look at the food supply and even the water we drink.