Testosterone
Horses standing on field
Midsection of shirtless man with hands against blue background
Close-up portrait of man
Muscular male athlete squatting with heavy barbell
Midsection of shirtless man with hands
Sportsman lifting heavy weight in gym
Midsection of man holding thermometer
Dumbbells, syringe with needle, pills and vial with steroids. illegal doping in sport concept
Midsection of shirtless man with hands
Weightlifter squatting with barbell in gym
Midsection of man lifting dumbbell in gym
Side view of horned deer standing in forest
White horse in ranch
Bald senior athlete preparing for weightlifting training
Exhausted sportsman leaning on knees
Close-up of a bird
Close-up of flowering plant
Tough senior sportsman doing rowing exercise in gym
Strong senior man lifting barbell in gym
Close-up of stag with mouth open
Close-up of bottles on table against yellow background
Midsection of shirtless man with arms crossed
Cropped senior athlete putting spring collar on barbell
Bald senior sportsman squatting with heavy barbell
Powerful aged man exercising on rowing machine
Muscular old sportsman resting in gym
Side view of deer walking on field in forest
Portrait of angry shirtless young man screaming while standing in gym
Shirtless muscular man covering eyes against wall
Midsection of shirtless man holding syringe against black background
High angle view of measure tape and pill over yellow background
Determined elderly man lifting barbell in contemporary gym
Senior sportsman preparing for functional training
Side view of horned deer standing in forest
Side view of horned deer standing in forest