Some herbs are fantastic for boosting immune system function, including:

Echinacea

Echinacea is one of the most popular herbs out there, and for good reason! Echinacea supports immune function. There is a good deal of evidence out there supporting the idea that compounds found in Echinacea can reduce virus infections and tumors. A compound called echinacein that inhibits bacteria and viruses from affecting healthy cells. This protects those healthy cells from ever getting infected in the first place. Other health benefits from Echinacea include alleviating pain, reducing inflammation, improving skin health, treating upper respiratory issues, and improving mental health.

Astragalus Root

Astragalus root has been used in Traditional Chinese Medicine for hundreds of years. Studies have found that astragalus has antiviral and can increase immune system function. This means it can help prevent simple colds and fight the flu virus. Astragalus also has antibacterial and anti-inflammatory properties, and it is used on the skin for wound care. It is also an adaptogenic herb and can help lower cholesterol levels.

Elderberry

Elderberry has been around for centuries. Almost all parts of the elderberry plane can be used. The flower, berries, bark, roots, leaves, and juices have been used to treat a variety of health conditions. Historically, dried berries or elderberry juice has been used to treat influenza, infections, sciatica, headaches, dental pain, heart pain and nerve pain, and as a diuretic. The Journal of Alternative and Complementary Medicine conducted a study that found elderberry could be a viable treatment for influenza types A and B.

Oregano

High quality, professional grade oregano extracts are incredibly powerful and difficult to procure. Oregano oil has been shown to be as powerful as some antibiotics without the side effects. Two powerful compounds, carvacrol and thymol, that have powerful antibacterial and antifungal properties. Carvacrol reverses the disease processes of viral infections, allergies, tumors, parasites and disease-causing inflammation.

Hope this helps!