Hi what can you sayI can't understand, because Nutrition deficiency is one thing ,no where is immunity powder, another is how to improve your immunity ,you want improve your immunity so, you should eat good healthly breakfast lunch, also dinner,daily free hand exercise, also suficent seep,&plenty of water 8to9 glass daily.
Next Steps
if you need to me your diet chart, contact me through practo
Health Tips
either, video call also