A substance that causes stimulation of the immune system.

any agent that stimulates the immune system either generally or in a specific way.

Herbs that stimulate the defence function of the body to produce antibodies to destroy invading antigens.

An agent that stimulates either innate or acquired immunity.

an agent that stimulates or enhances the function of the immune system.

Affects immune system and reactivity due to its ability to increases the production of leukocytes, antibodies, lymphocytes and macrophages.

Stimulates and strengthens the immune system.

Stimulating various functions or activities of the immune system.