Bodybuilding star Nikita Tkachuk dead at 35 after pumping body with muscle growth injections he came to bitterly regret – The US Sun By The Bodybuilding Shop Bodybuilding star Nikita Tkachuk dead at 35 after pumping body with muscle growth injections he came to bitterly regret The US Sun Brought to you by Google News. Read the rest of the article here. Reader Interactions