Hydrogen may help prevent weight gain by increasing the secretion of hepatic growth factor FGF-21, which increases energy expenditure.

“there is potentially a mechanism. There was an animal study published in the journal of obesity where hydrogen inact in increased the secretion of the hpatic growth factor FGF-21 fiber blast goes back to 21 and this increases energy expenditure and in this study they used lethin deficient mice and the the rats that drank hydrogen water or rodents that drank hydrogen”