However, many people struggle to get enough vitamin B12 through diet alone, especially those who follow vegetarian or vegan diets, as plant-based foods generally lack the vitamin
Each injection needs proper timing, proper technique, and consistent compliance
The available evidence suggests that such biotechnological methods not only increased the quantity and availability of PPs for industrial, food and medicinal purposes (360, 381, 382), but also expedited the number of scientific investigations conducted on PPs to find the most potent metabolites for large-scale applications (361)
but you dont need to accept a gaunt or aged face as a side effect
doi: 10.1186/s13287-020-01689-5 142 WuAYPeeblesRS
Mller TD, Clemmensen C, Finan B, DiMarchi RD, Tschp MH