The immune system is the body’s defence against infection and disease, and it is important to ensure it is functioning optimally.

1. Vitamin C is an essential nutrient for immune health. Vitamin C helps support the production of white blood cells, which are responsible for fighting off infection. Vitamin C is also an antioxidant, helping to protect the body from damage caused by free radicals. Vitamin C supplements can be taken in capsule form or as a powder.
 

2. Reishi mushroom is believed to have a wide range of health benefits, including boosting the immune system and preventing cold and flu infections. Reishi mushroom is thought to help boost the immune system by activating cells that fight off infection and disease, and is thought to stimulate the production of white blood cells, which are important for fighting off infection and disease. In addition, reishi mushroom is an antioxidant, helping to protect the body from damage caused by free radicals, as well as a powerful antioxidant, making it less effective at fighting infection.

3. Probiotics are another supplement that can help boost the immune system. Probiotics are live bacteria and yeast that help to balance the gut microbiome, which is important for overall health. Probiotics help to reduce inflammation and can help boost the immune system. Probiotics can be taken in capsule form or as a powder. 

4. Zinc is an essential mineral for immune health. Zinc helps to support the production of T cells, which are important for fighting off infection. Zinc is also an antioxidant. Zinc supplements can be taken in capsule form or as a powder. 

5. Vitamin D is an important vitamin for immune health. Vitamin D helps to regulate the immune system and helps to reduce inflammation. Vitamin D can be taken in capsule form or as a liquid. 

6. Finally, Echinacea is a herb that is believed to help boost the immune system. Echinacea is thought to stimulate the production of white blood cells, which can help to fight off infection. Echinacea can be taken in capsule form or brewed into a tea. 

Here are some of the best immunity boosters that can be bought online, at a supermarket or at your local pharmacy. It is important to speak to a healthcare professional before starting any supplement regimen to ensure safety and effectiveness.