There are several things you can do to boost your immune system, according to various sources:

1. Eat a healthy diet: Eating a diet high in fruits, vegetables, whole grains, lean proteins, and healthy fats can provide your body with the micronutrients it needs to maintain immune system homeostasis. Avoid consuming too much of certain vitamins and minerals, as too much of some can be harmful.

2. Exercise regularly: Regular exercise can help improve immune function.

3. Get enough sleep: Sleep loss can negatively affect different parts of the immune system, so its important to get enough sleep each night.

4. Stay up-to-date on recommended vaccines: Vaccines build immunity against specific diseases and can help strengthen your immune system.

5. Stay hydrated: Drinking enough water can help flush toxins from your body and keep your immune system functioning properly.

6. Quit smoking: Smoking can make the body less successful at fighting disease and increase the risk for immune system problems.

7. Avoid excessive alcohol use: Over time, excessive alcohol use can weaken your immune system and make you more susceptible to infections.

Its important to note that the immune system is complex and influenced by many factors, and there is no single way to "boost" it. However, following a healthy lifestyle that includes the above tips can help keep your immune system working properly and protect you from illness.