Host Defense Agarikon Capsules support balanced immune health with mushroom mycelium. Agarikon is responsibly sourced and cultured and is known for supporting immune system function immune cell strength and immune regulation. Often called the Elixir of Long Life it helps promote a strong yet balanced immune response and fits easily into a daily wellness routine. Suggested use is one capsule once daily with food or on an empty stomach or as directed by a healthcare advisor. Host Defense products contain no fillers and are third party tested for quality and safety. Made by Fungi Perfecti a family owned company founded in 1980 by Paul Stamets this supplement is grown in Washington State using cultivated mushroom mycelium and fruit bodies.