Side effects such as nausea, constipation, acid reflux, stomach pain, vomiting, diarrhea, and injection site reactions are common
Side effect management by dose phase At 2.5 mg (25 units at 10 mg/mL): This starting dose is sub-therapeutic for weight loss
So you are absorbing less B12 AND eating less of it simultaneously
The natural, food-bound form of vitamin occurs mostly in animal products, including milk, yogurt, meat, poultry, fish, and eggs
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Intravenous infusion of GLP-1 for 48 h in healthy human subjects increased muscle sympathetic nerve activity but had no effect on BP, norepinephrine plasma concentration, or the sympathetic/parasympathetic balance as estimated by the HR variability, suggesting that the increase in sympathetic drive is at least partially compensated by an increase in the parasympathetic activity [53]