"Patients will suffer from the usual side-effects of extreme tiredness, irrational behaviour, mood swings, memory problems." The British National Formulary, which sets guidelines for the use of vitamin B12 in pernicious anaemia, said the practice was based on the best available evidence base
2 nd ed
News Release May 10, 2018 Big Differences Found Among Green Teas -- ConsumerLab Tests Identify Best Green Tea in Bags, Matcha, Supplements, and Bottles -- White Plains, New York, May 10, 2018 The benefits of green tea use are associated with the presence of natural polyphenols known as catechins, such as EGCG
Food sources of Vitamin B12 include seafood, chicken, yogurt, and eggs
Some practitioners implement cycling approaches (such as 12 weeks on, 4-8 weeks off), though no published research directly compares continuous versus cycled protocols