Symptoms of deficiency can vary from person to person, but may include impaired brain function, tiredness and lack of energy, breathlessness and fatigue, headaches, pale skin, heart palpitations, loss of appetite and weight loss, anxiety and depression
Cot ML, Liu M, Bonassi S, Neri M, Schwartz AG, Christiani DC, Spitz MR, Muscat JE, Rennert G, Aben KK, et al
But B12 takes the form of methylcobalamin only after it receives its methyl group from methylfolate, which again, MTHFR is responsible for producing
The Khavinson bioregulation hypothesis proposes that short, organ-specific peptides act as endogenous molecular messengers that influence tissue homeostasis through targeted gene-regulatory interactions
This combination of sterile water and benzyl alcohol allows multiple withdrawals to be made from a single 30ML amber glass vial