Hi
Posture belts are just a supports that will put your active structures at unease.
visit your sports/orthopedic doctor or physio full complete evaluation and start correction with exercises and fitness routine.
Those are ideal ways to do at this age, dont go for passive modalities, if you want healthy, fit long term lifestyle
Next Steps
Consult with your expert for alternative more useful remedies
Health Tips
Fitness can be gained with activity, not by putting body in a cage