Answer
Walaikum Salam
Dear Annu, thanks a lot for your appreciation Kfood is doing a great job in providing a platform for its readers to avail health advice from the leading experts of Pakistan, free of cost. Bravo Kfood!
Coming back to your question. You can boost your immune system by eating an antioxidants rich diet consisting of vegetables, and fruits mainly. With protein, complex carbs, omega 3 fatty acids in moderation.
Supplements that are helpful in boosting your immunity are vitamin C, E, and D mainly.
All the best.