No gym, no running: R Madhavan shares his weight-loss secret

R Madhavan gained a lot of weight for his role as ISRO scientist Nambi in Rocketry: The Nambi Effect. However, he lost all that weight in just 21 days! Let's see how he did it. 

Madhavan left us all dumbfounded when he transformed back to his normal body after gaining immense weight for his role as Nambi Narayanan in Rocketry. 

R Madhavan directed and acted in the film Rocketry: The Nambi Effect. The film is a biopic of ISRO's scientists Nambi Narayanan and his struggles and achievements. 

The 54-year-old actor revealed that he did not do gym or intense workouts. Instead, he relied on intermittent fasting and followed a strict diet routine. 

He says that his secret weapon for weight loss is chewing. He said he chewed his food 45-60 times and drank plenty of water. 

Madhavan revealed his last meal was at 6:45 pm. He took green veggies, did not consume processed foods, and took plenty of fluids to replenish his body. 

He also highlights the importance of early morning walks and getting plenty of sleep with no screen time 90 minutes before bed.