Codonopsis Codonopsis pilosula: Modulates immunity and regulates the gut microbiome, allowing the body to focus on other fights.
Mullein Verbascum thapsis: A study found that it to effective at fighting pneumonia, staph and E. coli bacteria. Mullein has antiviral properties, and may even slow the influenza virus.
Astragalus Astragalus membranaceus: Used to protect and support the immune system, preventing colds and upper respiratory infections.
Allspice Pimenta dioica: Anti-bacterial and anti-fungal. Supports the body's natural immune functions and can kill food-borne bacteria.
Orange Peel Citrus sinensis: Rich in vitamin C and A, which boosts the immune system, and is anti-inflammatory, fighting offgerms and viruses.
Black Tea Camellia sinensis: Provides antioxidants and antimicrobial properties which help the body fight off infections, potentially reducing the frequency and severity of colds and flu. Its flavonoids also contribute to combating inflammation and supporting healthy immune function. 
Ginger Zingiber officinale: Is highly anti-inflammatory and possesses natural antimicrobial properties that help fight bacteria, viruses, and fungi. 
Cardomom Elettaria cardomomum: Helps fight common illnesses and promote general immune function by boosting the body's defense against microbial invaders. It is also anti-inflammatory and can help soothe a sore throat by decreasing phlegm production and swelling.
Cloves Syzygium aromaticum: Eugenol is an ingredient in cloves that can fight harmful organisms, including viruses, bacteria, and yeast cells. Eugenol can stimulate white blood cells, which can increase the body's resistance to disease.
Cinnamon Cinnamomum verum: Has antimicrobial, antifungal, and antiviral properties that can help strengthen the immune system. It can also help protect against certain viruses, like HIV-1, influenza, and Dengue.
Pink Peppercorn Euonymus phellomanus: Studies have discovered alpha-phellandrene (which is in Pink Peppercorn) can have a great effect on promoting a healthy immune response. Because of this action, alpha-phellandrene is an excellent soothing agent and can be used to promote the body’s natural healing process, ease discomfort and support a healthy inflammatory response.