Hi., I can understand your concern.
Probiotics are meds that maintain good guy bacteria which helps in digestion.
Enzymatic meds also will help in digestion.
Your symptoms also suggesting
Vitamin deficiency & Gastritis.
Next Steps
take
tab gelusil 3 times a day after food
tab unienzyme 3 times a day before food
tab pan 40 twice a day before food
use bifilac capsules incase of loose stools
Health Tips
add curd 3 times a week in your meals, which is having good bacteria.
avoid oily spicy processed and outside food items.
regular exercise and walking.