Several herbs are believed to have immune-boosting properties ,although it's important to remember that scientific evidence for their effectiveness can vary. 

 Echinacea: This herb is often used to support the immune system and may help reduce the severity and duration of colds and other respiratory infections.

Garlic: Garlic contains compounds like allicin, which have been shown to have immune-boosting properties. 

Ginger: Ginger has anti-inflammatory and antioxidant properties that may help support the immune system and reduce inflammation 

Turmeric: Curcumin, the active compound in turmeric, has antioxidant and anti-inflammatory effects that may support immune function.

Astragalus: This herb has been used in traditional Chinese medicine to support the immune system and may help reduce the risk of respiratory infections.

Ginseng: Ginseng has been shown to have immune-modulating effects and may help support the immune system during times of stress 

Elderberry: Elderberry is rich in antioxidants and has been shown to have antiviral properties, which may help reduce the severity and duration of colds and flu 

These herbs may provide some immune support, maintaining a healthy lifestyle with a balanced diet, regular exercise, adequate sleep, and stress management is crucial for overall immune health.