For some people, a vitamin B12 injection might be required several times within a year
Food and Drug Administration for safety, effectiveness, or quality
Oral capsules No
This, in turn, boosts metabolic rate and activates a gene known as sirtuin-1 (SIRT1), also referred to as the "longevity gene." SIRT1 is involved in reducing the risk of various conditions such as diabetes, obesity, metabolic syndrome, atherosclerosis, cardiovascular disease, kidney disease, liver disease, neurodegeneration, and cancer.
According to one large study in 9,075 people, having higher blood levels of vitamin B12 was associated with a lower risk of obesity ( Similarly, another study in 976 people showed that having low levels of vitamin B12 was linked to a higher risk of overweight or obesity ( Whats more, a study in 256 children showed that children with lower levels of vitamin B12 tended to have a higher body mass index (BMI), which is a measure of body size determined by height and weight ( However, keep in mind that while these studies show an association between vitamin B12 status and body weight, they dont take other potentially contributing factors into account
This feature is especially beneficial for researchers conducting repeated tests or experiments, eliminating contamination risks associated with repeated vial access