It is produced by specialized cells, called L-cells, lining the colon
22, 23 In children with GHD, changes were identified in MAPK- and GRB2/SOS-mediated signaling pathways (e.g., IGF-I) associated with carriage of the A allele ( GRB2 decreased expression 1.2-fold, SOS1 increased expression +1.2-fold)
Practical strategies that help: Practice the motions with an empty syringe or water draw before your first real dose Ice the site for 3060 seconds beforehand to dull sensation (check with your provider first) Breathe slowly-inhale for four counts, exhale for four, and inject on the exhale Use distraction: music, a podcast, counting backward from ten Schedule your first dose when youre unhurried and calm, not squeezed between meetings Having a trusted person present-in the room or on a video call-can provide real emotional support
If you are microdosing, the lower concentration actually provides more doses despite using more bacteriostatic water