Should you aspire to increase lean muscle, you will need to uphold a correct diet with all the right vitamins and nutrients. Simple as that. Without having the appropriate nutrients within your body there is no way in which your muscular tissues will be able to develop as well as mend. These major macro-nutrients that will be needed in your body consistently every day will be: healthy proteins, carbohydrates, and fatty acids (nourishing fat that is). Dropping any single one of these nutritional ingredients – or also not intaking the proper amount – might slow down your training and render your efforts put towards building new muscle worthless.