Welcome to HCM.
Most likely it might be due to vitamin B12
You have to be watchful for your thyroid
Go for regular check up for thyroid level.Go for investigations like cbc,fbs,ppbs,s.b12,s.calcium,s.d3.
Start therapeutic dose of oral or intramuscular b12.
Also take calcium and d3 supplement.
Regular exercise and yoga
will be helpful.
Keep in touch with your doctor.