Likewise since you seem to know how the host is absorbed into the body. Christ, Body and Blood, Soul and Divinity is consumed into our entire body, mind, heart and as you say (vulgarly) intestinal system.
The Holy Eucharist is much more than just food, although some saints have survived years on just the Eucharist and water.
Sure they have......
The OTHER idiots that tried it died a HORRIBLE death!