Want an energy boost to your system that will not give you the jitters or keep you awake at night? Some herbs will boost your energy levels and are easy to add to your diet. Sometimes it is what you do NOT eat that gives you a boost in energy! So what are some alternatives to that third cup of Starbuck's Coffee?1. Digestive enzymes break down proteins, fats, carbohydrates and fiber making it possible to benefit from the nutrients found in those foods. Enzymes turn the food we eat into energy …