It's hard to say for sure. To determine if Sergio is truly a factual account, one would need to look at the source material and the credibility of the information presented.
It's hard to say for sure. Sergio could be inspired by real-life incidents but could also be a completely made-up tale with no roots in reality. A lot depends on the author's intentions and creative process.
I'm not sure. It depends on the specific details of the story. Sometimes, elements might be inspired by real events, but it could also be entirely fictional.
Sort of. It takes elements from real-life situations and weaves them into a fictional narrative. So, it's not a strict retelling of a specific true story, but it has roots in reality.
One success story could be someone achieving a great body transformation. They started with an unfit body and through 'body by sergio' they got toned muscles and a more athletic physique.