Ways to Strengthen Your Immune System
The basis of all these short-term, acute conditions could be toxicity, stress and nutritional deficiencies. If you are worried about how to protect yourself from viruses such as the flu or colds and it is in the winter, you absolutely should take a vitamin D in the form of a vitamin D-3 supplement. This can help because of the lack of sunlight in the winter. This vitamin is essential for the immune system to work.