The first pull is arguably the most important phase of the snatch and the clean. Your starting position, and how you pull the weight from the floor determines the trajectory of the barbell. Even the smallest error during this first movement can easily result in a missed lift.
The quality of your food choices determines how optimally your body functions. A vehicle will run farther and smoother on a higher grade of fuel. Your body is no different. Choosing foods that are higher in the vitamins and minerals that are essential to your health will go a long way in improving your performance.