chong cao or cordyceps sinensis on lemon leaf on white background with clipping path

aging agriculture alternative anti antioxidant antiviral asia ayurveda background cao chinese chong clipping cordyceps dong dry environment extract food gunbu harvest healthy herb herbal immunity isolated leaf lemon medicine natural nature nutrition organic path plant raw regenerative sex sinensis summergrass thailand therapeutic tibet traditional viagra wellness white winterworm wisdom wormgrass xia yartsa