If you find yourself less hungry overall, you most likely need a smaller dose
Pyridoxine: Vitamin B6 for Metabolism and Mood Pyridoxine, or vitamin B6, is involved in amino acid metabolism, neurotransmitter production, and red blood cell formation
This includes confirmed low serum vitamin B12 levels, pernicious anaemia, malabsorption states such as coeliac disease, inflammatory bowel disease, or post-gastric or bariatric surgery, unexplained anaemia, neuropathy or neurological symptoms consistent with vitamin B12 deficiency, a long-term vegan diet with symptoms or low levels, or failure of oral vitamin B12 supplementation
Malabsorption due to digestive disorders, such as Crohns disease or celiac disease, can also lead to vitamin B12 deficiency