Exercise is the ultimate anti-aging product. Need proof? Check out these seven gorgeous, vibrant women—all of whom are fitness and yoga devotees. Many of them have been leading active lives since grade school, and they swear by healthy habits like superfood smoothies and more than eight hours of sleep In most cases, they’ve also made being active not just a passion, but a profession. If their toned physiques and glowing complexions featured here don’t inspire you, maybe a workout with them will?

50 and fabulous: These 7 women prove that fitness is the fountain of youthSaidman Yee is a former model, but she credits 25 years of yoga with keeping her young. In addition to running her Hamptons studio and teaching at workshops and festivals around the country, she released an A.M. & P.M. Yoga DVD with husband, Rodney Yee.

“I believe that stagnation is an aging culprit,” says Saidman Yee. “Practicing yoga keeps the circulatory, respiratory, and digestive systems functioning optimally.” Yoga also protects her from the ravages of stress, and she complements her practice with flax-and-omega packed smoothies, long, hot baths, quality sleep, and “lots of laughter.”