You can relax, read, or listen to music during the infusion
It is released in response to food intake and functions by stimulating insulin release in a glucose-dependent manner, inhibiting glucagon secretion, and slowing gastric emptying, thus contributing to the regulation of blood glucose levels [1]
In fact, some observational studies suggest slightly lower fracture risk at high B12 blood levels
Double-peak plasma profiles observed in rodents support this recycling phenomenon (Sarawek et al., 2008)
Conclusion So, does B12 shot help with fatigue
While endogenous biosynthesis of l-carnitine from the amino acids lysine and methionine is sufficient for essential processes along with dietary sources of carnitine from protein-rich red meat, for example dietary supplementation of carnitine may pose benefits in certain physiological conditions