food sensitivity

The companies that continue to promote the IgG blood tests either do not fully understand the function of the IgG antibody or worse, they do and are continuing to sell their product anyway.
Utilizing the scientific method to run your own dieting experiments can allow you to test different food combinations to maximize your nutrition and training.
Dieting for a competition requires planning and discipline, but make sure that these important nutritional elements aren't doing you more harm than good.