Most people notice improved energy within a few days to a few weeks, depending on how low their levels are and how their body responds to treatment
The two-year study found that the supplementation improved B-vitamin status, decreased homocysteine concentrations, and reduced risk of total fractures compared to placebo (117)
[5] Nevertheless, any signs of hypersensitivity (such as a diffuse rash, wheezing, or feeling of throat tightness) warrant stopping the injection and seeking prompt medical care
Improves Heart Health and Reduces the Risk of Cardiovascular Disease Maintaining adequate levels of Vitamin B12 is important for heart health, as B12 helps regulate levels of homocysteine, an amino acid that is associated with an increased risk of cardiovascular disease when present in high amounts
Microbiome differences were greater between the two groups switched from WD to LD (i.e., WD/LD-V and WD/LD-T) and the two diet control groups (i.e., LD/LD-V and WD/WD-V) compared to the microbiome differences observed between the lean (LD/LD-V) and obese (WD/WD-V) control groups
More research is needed to confirm this
