This makes it a popular choice for those seeking the most direct path to improved energy and mental clarity
It is the most common side effect by a wide margin, and it typically follows a predictable pattern
Importantly, animals were singly housed to eliminate the exchange and cross-contamination of intestinal microbiomes, a factor that potentially biases studies with group-housed animals by minimizing microbiome variations for co-housed animals within a cohort
The VITAstir B12 being methylated (the active form) is the type my body needs due to an MTHFR gene
While rare, a larger hematoma may need evaluation
More serious B12 deficiencies have the potential to impair heart and neurological function, leading to a wide range of serious symptoms, including but not limited to tinnitus, severe joint pain, memory problems, depression, anxiety, poor muscle function, ataxia and changes in reflexes