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