As a tester I was allowed to test B12 of Glory Feel the B12 through their paces. Especially on this murky season it is important to strengthen the immune system enough. Help those tasty lozenges pleasant taste fruity blood oranges. For the promotion and preservation of our energy balance we need proteins, carbohydrates and minerals and the vitamin B12 is very involved in the use of these substances. Furthermore, it supports the formation of red blood cells and the development of the nervous system. I take the product for some time now and feel really good with it. My tiredness and lethargy are gone and I am full of energy. I am really looking forward to the winter, let's see if I will feel ever so fit.