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.
'Energy dense' is a polite way of saying something is high in calories. If you're only able to eat small snacks or infrequent meals, it's a good idea to choose foods that are higher in calories. Healthy energy dense foods include cheese, nuts or nut butter, avocados and legumes. Add your favorite sauce, dressing, shredded or melted cheese, butter, or gravy to a serving of potatoes, rice or pasta, to boost your caloric intake.