musk claims to have lost 20 pounds in just a few weeks by fasting: he says he feels fitter and healthier

Elon Musk made the announcement about intermittent fasting over the weekend, 

weeks after the billionaire faced online trolls for images of him relaxing shirtless on a boat near Mykonos.

On Sunday, Musk, 50, informed his followers that he has lost "almost 20 pounds from my (unhealthy) peak weight." .

He claimed that his recent weight loss achievement was partly due to his sporadic fasting.

Musk wrote, "On the recommendation of a close friend, I've been fasting periodically & feel healthier.

Musk made mention of the "Zero" fitness app he uses and praised its "very good" quality.

"unlock the power of intermittent fasting to reduce weight and improve  

your metabolic health," according to the app's description.