Most trainers and gym-goers have heard of growth hormone and know of its importance in strength gains and fat metabolism. Studies show that intense aerobic and resistance training is one way to stimulate growth hormone secretion. We know that the majority of growth hormone secretion occurs at night and a number of other studies have shown that day time secretion in relatively low. Here in lies the question – how do we boost growth hormone levels during the day in order to provide more muscle growth and fat loss? The good news is that there is some evidence that supplementing with GABA may increase growth hormone levels. Read on to find out more.