Previous work has shown that the abundance of Lactobacillus reuteri (normalized to a control group) decreases during the onset of obesity and remains suppressed even after dieting in mice 99 , which parallels our observations that vehicle-treated diet-switched mice had lower levels of Lactobacillus than the 5A-1MQ-treated mice, the latter of which also demonstrated greater weight loss
Klausen KP, Parving H-H, Scharling H, Jensen JS
Adding oral B12, sublingual B12, or additional B12 injections poses no risk
Allergic reactions are uncommon, but if you were to experience symptoms like swelling of the tongue or throat, hives, or difficulty breathing after an injection, that could indicate an allergy and you should seek medical help immediately
Retrieved 11 January 2020