P90X Emily D.4 Kris Shaw August 30, 2009 P90X Training and Health 0 Comments Day 4: I can tell a difference in my stomach and my lack of energy. I thought eating better would boost my energy, not so much. Just tired and sore. You Might Also Like P90X: Week 4 Day 1 September 18, 2009 P90X Training with Josh: Day 1 August 26, 2009 P90X Week 5 September 24, 2009 Leave a Reply Cancel reply This site uses Akismet to reduce spam. Learn how your comment data is processed.