The actor, who plays the role of a police officer in Nishikant Kamat's upcoming Force, will be seen with what is being described as an "eight-pack" in the film.
Abraham cautioned: "The use of unnatural substances is unacceptable to get a body. It leads to hair loss, high blood pressure, mood swings, loss of libido and enlarged glands. Stay away from the short cuts."
The Dostana star is widely considered to have the best male physique in the Hindi film industry.
"A lot of us have a benchmark for how well-toned we must be," said the model-turned-actor. "I had a very high benchmark. I'm a leader, not a follower. Not that I am always seeing sunshine up my backside. But I'm very individualistic."
The actor, an avowed vegetarian and PETA supporter, recommends the use of protein shakes, while warning against the use of non-licensed substances and growth hormones.
Twentieth Century Fox's action-romance Force, releases September 30.