Posture corrector brace will be helpful. But also consult with physiotherapist for exercises.
Only belt will not improve ur posture but exercises along with belt will surely do the trick.
Next Steps
Check out my website for your recomended products,
https://sakhaphysio.wixsite.com/website/services-1
Your recomended products are,
1. Posture corrector brace
2. Pain relief oil
Health Tips
it is better to do physical consultation with physio fr ur case. bt if not possible, u cn do online 2.