Gregg Valentino - Blocking All Estrogen is Bad

[MuscleSport TV]

In this episode of "Chaos Nutrition Presents Gregg Valentino Old School Training," Valentino answers questions about blocking all estrogen and why it's bad! Also supplements for liver health, especially for juice heads. Finally, how much protein is best for muscle growth; what's the old school way? And see some old bodybuilding magazines and how the bodybuilding world used to be. As always, it's Valentino being Valentino!