Cholecystokinin (26-33) (CCK (26-33)) free acid is a cholecystokinin (CCK) fragment. Cholecystokinin (26-33) free acid can reduce food intake and gallbladder contraction.
References:
[1]. Tachibana T, et, al. Feeding-suppressive mechanism of sulfated cholecystokinin (26-33) in chicks. Comp Biochem Physiol A Mol Integr Physiol. 2012 Apr;161(4):372-8.
















