While this is within "normal" range, it's also a low range for some per what my lab results say: "Please Note: Although the reference range for vitamin B12 is 200-1100 pg/mL, it has been reported that between 5 and 10% of patients with values between 200 and 400 pg/mL may experience neuropsychiatric and hematologic abnormalities due to occult B12 deficiency"
Anti-proliferative activity in HeLa cells Oncology context In vitro HeLa cell line (cervical cancer), 0.1-500 uM Akar et al
Highly Effective Formulated with a precise blend of B vitamins for optimal absorption and efficacy
Obeid R, Andrs E, eka R, Hooshmand B, Guant-Rodriguez RM, Prada GI, Sawek J, Traykov L, Ta Van B, Vrkonyi T, Reiners K, The Vitamin B Consensus Panelists Group
This increases energy and can be particularly beneficial for those suffering from fatigue or lethargy, often associated with B12 deficiency
Roehr, B