Zonulin is a protein that increases the permeability of tight junctions between cells of the wall of the gastrointestinal tract. digestive system. intestinal cells with Zonulin receptors, normal and Faulty tight junctions. Intestinal permeability. Gu Longsleeve T-shirt #649647334
If you need a timeless long-sleeved t-shirt, this soft long-sleeved crew shirt is the one for you. It has a 100% combed ringspun cotton, 32 singles thread weight, 4.3 oz. fabric weight, a set-in 1x1 baby rib collar and a tear away label.