Others claim to increase the ability of muscle tissue to recover quickly from workouts.
In recent years, he weighed only 144, still spry from daily workouts on a stationary bicycle.
Injured players are seeing that they recover faster from workouts.
And, Bernstein knew, from private workouts with a sleek succession of young would-be show girls in his bedroom.
Those who have psoriasis, which is often triggered during stressful periods, might also benefit from daily workouts.
Steroids are used to build muscle and speed recovery time from workouts.
Their powerful physiques, they said, came from hard workouts and careful eating.
Russell was gray-haired, his body reasonably trim from daily workouts in a home exercise room.
They allow an athlete to gain more muscle mass in less time by helping the body recover faster from workouts.
He is lean and fit from workouts that include riding a bicycle to the practice rink, even on cold days.