

#143: John Heart on High Carb vs High Protein, SuperSlow, And The Importance Of Time Under Load
John Heart (@MrAHeart and Insta: @mraheart) is a renowned bodybuilder, trainer and teacher within the fitness industry. He has won the title of Mr. America and Natural Mr. Universe. His primary platforms used for training/teaching include in-gym, YouTube, and all forms of social media including Facebook.
John currently trains in-gym clients in Los Angeles, California and manages his online presence through MrAmericaHeart.com. He is also the official online trainer of Mike Mentzer’s Heavy Duty Training System.
John’s Athletic Achievements/Highlights:
- 2013-present – Worldwide: Competed as WNBF Natural Professional Bodybuilder in 4 professional events, usually placing between 2nd – 6th
- 2013 – Secaucus, New Jersey: Won the Light Heavy & Overall title of INBF Mr. America
- 2012 – Secaucus, New Jersey: Won the Light Heavy class of INBF Mr. America
- 2001 – Los Angeles, California: Won Tall class of ABA Natural Mr. Universe
In this episode we dig into many of the questions you submitted regarding all of the nuances of high intensity training.
In this episode, we cover:
- High Carb vs High Protein Diets
- Is SuperSlow less effective than other exercise protocols?
- Is time under load important for muscular failure / muscle reactivation
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For all of the show notes, links and resources - Click HERE