A potential concern with dietary supplements is the lack of regulatory oversight
You may be at higher risk if you: Follow a vegan or vegetarian diet Eat very little meat, fish, eggs, or dairy Are over the age of 50 Have digestive conditions affecting absorption Take certain medications, such as metformin or acid-reducing medicines Have had certain stomach or bowel surgery Have pernicious anaemia or absorption problems People in higher-risk groups may benefit from advice, testing, or treatment depending on their symptoms and medical history
It is not intended to diagnose, treat, cure or prevent any disease, and no therapeutic, weight-management, performance or physique claims are made or implied
Another difficulty associated with vaccination against viruses targeting the upper respiratory tract is the generation of long-lasting mucosal immunity
According to an article about cobalamin deficiency in Tufts Universitys catnip newsletter, people with cobalamin deficiency also experience changes with intestinal permeability and absorptive function
5 mg subcutaneously once daily , morning, 8 12 weeks on and 4 weeks off