In this 'fit tip' video WBFF Pro & fit mom Carissa Johnson demos how to incorporate negatives to increase your upper-body strength and improve your pull-ups.

New Human Studies Show PEAK ATP® Enhances Amino Acid Absorption from Protein
Two new human clinical trials reveal that PEAK ATP®, a patented form of adenosine 5’-triphosphate (ATP), significantly enhances amino acid absorption from dietary protein, helping