Low blood sugar (hypoglycemia): Symptoms may include headache, hunger, weakness, sweating, confusion, irritability, dizziness, fast heart rate, or feeling jittery
Here in the UK, a B12 deficiency would usually mean 6 injections aver the course of a month (loading doses) then 1 every 3 months (maintenance doses)- a regime that seems dissatisfactory to the point of detriment to many many people, but one we have been stuck with for far too long
No timing conflicts with peptides
Curr Pharm Des 24:19721989 ebei B, Nikoli V, Sikiri P, Seiwerth S, oa T, Patrlj L, Grabarevi , Ruman R, Petek M, Konjevoda P (1999) Osteogenic effect of a gastric pentadecapeptide, BPC 157, on the healing of segmental bone defect in rabbits: a comparison with bone marrow and autologous cortical bone implantation
The injection depth and speed are controlled by the device rather than by your shaking hand