Lose overall body fat with a calorie deficit
Eat more protein and fiber
Reduce sugary drinks and alcohol
Cut back on salty, ultra-processed foods
Drink enough water
Do regular cardio
Add strength training
Practice chin lifts and neck exercises
Improve posture
Keep your tongue on the roof of your mouth when resting
Sleep enough each night
Chew sugar-free gum
Consider professional treatments like Kybella, CoolSculpting, radiofrequency, or liposuction
Consult a dermatologist or plastic surgeon