Michał, the 6pack owner used to be my personal trainer and mentor for 1,5 year in the past. Based on his workout and nutrition plans I have lost 30kg in 5 months, and then built good muscle, unfortunetly i had to finish my andventure with bodybuilding. One of the most friendly person I’ve ever met, always happy to help and explain everything you struggle with. Massive knowledge shared with anyone who need advice, I would highly recommend 6pack to everyone.
