It facilitates the production of lymphocytes, a type of white blood cell involved in immune responses
Serum lab results can indicate a normal or elevated range and a person could still have low B12 levels within their cells
Central nervous system applications are an active growth area, with documented effects on dopamine and serotonin pathway markers, traumatic brain injury models, and spinal cord research preparations
Recalls & Warnings November 04, 2015 Green Tea from Tea Bags Linked to Acute Hepatitis According to a case report published on September 23, 2015 (Lugg, BMJ Case Rep 2015), a 16-year old girl in England developed acute hepatitis in connection with the consumption of green tea
Retrieved 3 December 2025
However, the RDA of 2.4 mcg for people under 50 years of age is much harder to meet on a vegetarian or vegan diet