Peter Attia· MD
I went for like two or three weeks on no carbs just literally ground beef this is before grass-fed beef was even a thing I don't I don't think you'd be able to find it if you had to it was those big fat was around back then yeah those big fat tubes of beef the five pounder testing and I would just cut bone doors on and I did that for a couple weeks and lost like over 20 pounds won the powerlifting competition that I went into