Create a calorie deficit with a balanced diet
Do regular full-body strength training
Add cardio or interval training
Increase daily physical activity
Reduce ultra-processed foods and sugary drinks
Eat enough protein and fiber
Improve posture to reduce the appearance of chest fat
Build chest, back, and shoulder muscles
Get enough sleep
Manage stress
Be patient and consistent
Consider that breast size may also be influenced by genetics, hormones, and body composition
Consult a doctor if breast size changes suddenly or causes concern