If i want to transfer money from euros to pesos, and its asking me the payment currency, what does it mean? The currency from its taken or recived?
It is easily available; you can get it from energy drinks, coffee, tea, coke. It's extremely effective in increasing your energy before a workout because it is such a fast acting substance. Caffeine increases your mental alertness. However, a word of caution, caffeine only offers a temporary boost of energy.
Having a balanced diet will give you the best long lasting energy. There are many foods that you can eat to boost your energy. Such as: Blueberries, Nuts, Beans, Oatmeal, Salmon, and many more. These foods give you energy to last.