Another study published in Diabetes Care showed that combining semaglutide with vitamin B12 supplementation led to improvements in insulin sensitivity and glucose metabolism, making it an effective option for individuals with prediabetes or type 2 diabetes
In some cases, excessive intake of B12 may cause other side effects such as headaches, fatigue, dermatological issues, and nerve damage
(ref) Seiwerth S, Sikiric P, Grabarevic Z, Zoricic I, Hanzevacki M, Ljubanovic D, Coric V, Konjevoda P, Petek M, Rucman R, Turkovic B, Perovic D, Mikus D, Jandrijevic S, Medvidovic M, Tadic T, Romac B, Kos J, Peric J, Kolega Z
The type of B12 and the way its administered can influence how your body uses it