B12 shots are beneficial for individuals whose bodies have difficulty absorbing the vitamin through oral supplements due to a lack of intrinsic factor
However, if you have a significant deficiency, certain digestive conditions, or issues with nutrient absorption, oral supplements might not be effective enough
Sikiric P, Skrtic A, Gojkovic S, Krezic I, Zizek H, Lovric E, Sikiric S, Knezevic M, Strbe S, Milavic M, Kokot A, Blagaic AB, Seiwerth S
B12 and the Vegan Diet Factsheet All You Need To Know About Vitamin B12 in Vegan Diets The association of vitamin B12 with animal products such as meat, fish, eggs and dairy has helped create the myth that these foods are a natural source and that vegans will inevitably miss out
The Role of Vitamin C in Synthesis Vitamin C is an absolute prerequisite for collagen synthesis