08 November 2025

How to Boost the Immune System Naturally

There are many ways to boost your immune system that you can apply at home. Implementing the following healthy lifestyle habits is considered the most effective approach.

1. Applying a Healthy and Nutritious Eating Pattern
   Consume a balanced diet containing macronutrients (carbohydrates, proteins, and fats) as well as micronutrients (vitamins and minerals). Also, maintain a regular eating schedule.
2. Getting Enough Rest
   Ensuring sufficient sleep, around 7–9 hours per day, is an essential way to maintain a strong immune system.
3. Exercising Regularly
   One way to boost the immune system to fight infections is by exercising regularly for at least 30 minutes per day, 3–5 times a week.
4. Managing Stress Well
   Managing stress is another way to strengthen the immune system. This can be done by engaging in hobbies, meditating, watching movies, or practicing self-care.
5. Breathing Fresh Air
   Not only refreshing, but breathing fresh air can also help strengthen the immune system and bring positive effects to the body, such as:
   - Enhancing lung function.
   - Increasing serotonin levels, which can improve mood.
   - Improving the efficiency of cellular functions in the body.
6. Limiting Sugar Intake
   Consuming excessive sugar can lead to an increase in inflammatory proteins such as CRP, IL-6, and TNF-alpha, which may weaken the immune system. As a result, the body becomes more susceptible to viruses and bacteria that cause diseases.
7. Staying Hydrated
   Ensure adequate hydration by drinking approximately 2 liters of mineral water per day. This also helps improve the body's metabolic processes.
8. Sunbathing in the Morning
   Vitamin D is one of the nutrients that can be naturally obtained and is beneficial for strengthening the immune system. One of its benefits includes inhibiting the production of inflammatory cytokines by monocytes. You can get vitamin D by sunbathing in the morning between 8 and 9 AM.
9. Taking Additional Supplements
   The immune system functions optimally when supported by adequate nutritional intake. In addition to daily food consumption, you can take immune-boosting supplements containing vitamin C, vitamin D, vitamin E, and zinc.

Reviewed by: dr. Innosensius Ibnu Ishwara, M.K.K.

Source: Siloam Hospital Health Article

Photo: freepik.com