Can Agastache enhance immunity?
Generally speaking, Agastache may have some immune-enhancing effects, but excessive consumption is not recommended. Detailed analysis is as follows:

Agastache has a warm nature and pungent taste, and acts on the lung, spleen, and stomach meridians. It functions to resolve dampness, relieve summerheat, and harmonize the stomach. In traditional Chinese medicine, the spleen and stomach are considered the source of blood and qi production. When the spleen and stomach function normally, sufficient blood and qi are produced, enhancing the body's resistance. Agastache helps regulate dampness obstruction in the spleen and stomach, assisting in maintaining their normal transformation and transportation functions, thereby indirectly providing a solid material foundation for the immune system, which may aid in supporting immune function. Modern research has also found that the essential oils and other components contained in Agastache possess certain antibacterial and anti-inflammatory properties, which may help the body resist pathogenic invasion to some extent and support the normal functioning of the immune system.
However, Agastache's primary function is not directly to enhance immunity. Additionally, due to its warm nature, excessive consumption may lead to accumulation of internal heat, especially in individuals with a naturally heat-prone constitution. Overconsumption may easily cause discomforts such as dry mouth and excessive internal heat (fire). Moreover, as a medicinal herb, Agastache should be used according to individual constitution and specific health conditions. Blindly consuming excessive amounts may disrupt the body's yin-yang balance, ultimately being detrimental to health.