Spexin (SPX) is a newly identified peptide hormone of 14 amino acids (aa) with pleiotropic functions in vertebrates. and recently a second paralog of SPX (named SPX2) has been only found in some non-mammalian species (the previous form of SPX is now designated as SPX1). Results of previous studies have revealed the existence of a functional SPX1 in the half-smooth tongue sole. To clar... https://parisnaturalfoodes.shop/product-category/toothpaste-fennel/