The defending Olympic champion removed herself from the team final and also pulled out of Thursday's individual all-around competition the following day to take care of her mental well-being.
The 24-year-old has received widespread praise for her decision and Pogba was one of the athletes to publicly back her.
"A moment of undeniable strength from @simone_biles," Pogba tweeted on Wednesday.
"We always focus on the physical aspect of health but the mental aspect is just as important. When you take care of both, you will flourish in life!"
the outpouring love & support I've received has made me realize I'm more than my accomplishments and gymnastics which I never truly believed before. 🤍— Simone Biles (@Simone_Biles) July 29, 2021
Biles thanked everyone for their support on Thursday and tweeted: "The outpouring love & support I've received has made me realize I'm more than my accomplishments and gymnastics which I never truly believed before."
Pogba is yet to return to United's preseason plans following France's run to the knockout stages of Euro 2020.