I workout in gym daily morning for 1 hour with high intensity. But after 30 minutes, I start to feel very exhausted, fatigue and dried throat. Because of that, I couldn't push myself for much. e.g. If at start, I can press 50 kg, but after 30 minutes I couldn't even press 40 kg.
Also from when I have joined gym, after workout, throughout the day(specially up to evening) I fell very tired and energy-less. So my friend suggested me to take some energy drinks while workout.
But always I eat natural things, and avoid any packed drinks and food. So I started drinking lot of water(approx half liter, 100 ml for 5 times) during exercise; but not effective. Also I read on net that, rather than only drinking water, drink electrolyte drinks containing some minerals.
So should I start taking some energy drinks, and if yes then in what quantity and exactly at what time(before or during exercise)