Why it worked
The video uses a popular meme format ("The Creation of Adam") and applies it to a niche interest (bodybuilding/fitness culture) with a provocative graphic, making it highly shareable and engaging within that community.
Summary
The video showcases a black t-shirt with a graphic design that parodies "The Creation of Adam," but instead of Adam receiving life from God, a skeletal hand offers a vial labeled "TREN" to a human hand. The video then transitions to a white t-shirt with the same graphic. The creator's bio link leads to their website, which sells custom embroidered apparel.