This includes people with: Pernicious anaemia (autoimmune destruction of intrinsic factor-producing cells), typically requiring lifelong IM injections Crohn's disease or surgical resection affecting the terminal ileum Coeliac disease causing malabsorption (may improve with gluten-free diet) Chronic pancreatitis reducing enzyme availability needed for B12 release Vegans and strict vegetarians need reliable B12 sources through fortified foods or supplements, as plant-based diets contain negligible amounts of active B12
Many patients notice increased energy and improved focus within days
Vitamin B12 Deficiency Symptoms | Signs & NHS Treatment Vitamin B12 deficiency symptoms can be subtle yet far-reaching, affecting the blood, nervous system, and overall wellbeing
These can include improved mood, enhanced mental clarity, and better sleep patterns
This makes it an appealing option for patients seeking gentler support
Since NNMT is expressed in adipose, hepatic, and gut tissues 50,51,52 , and these tissues heavily cross-talk with the gut microbiome 53,54,55 , NNMTi treatment or its resulting weight loss effects 8,9 may modulate the microbiome