1- Eat sugar or carbohydrates:
This may be counterintuitive, but regularly eating sweets, cereals full of sugar, or other foods that consist primarily of straight sugar with little to no nutrients is a taboo.. When we eat large amounts of carbohydrates or sugars; Large amounts of glucose are excreted into the bloodstream, and blood sugar levels rise and are much higher than what your body can tolerate. The pancreas then has to pump out a lot of insulin to help manage the high glucose, and this will break down the high blood sugar levels; causing a decrease in power.