Although this could be interpreted as indicating no internalization, it is also consistent with studies that show that GIPR internalizes slowly but rapidly recycles to the cell surface in a constitutive manner (Mohammad et al., 2014)
It has shown the ability to counteract dopamine vesicle depletion and protect against neurotoxins, which is being explored in the context of neurodegenerative support
Its worth noting that some providers do offer lower per-month pricing when you commit to a longer plan
Nausea, diarrhea, vomiting, and constipation are the most frequently reported issues
For upper-body days, I split my workouts between chest and shoulders, and back and triceps, with staples like bench presses, lat pulldowns, and lateral raises