One reason is being low in a type of compound produced within the stomach called intrinsic factor (a type of glycoprotein), which combines with vitamin B12 once consumed in order to allow it to be absorbed
Furthermore, NNMT has been identified as a promising potential serum tumor marker in colorectal cancer, oral squamous cell carcinoma, and multiple other malignant tumor models, with its abnormal overexpression closely related to invasive tumor metastasis
Ageing Research Reviews, 42 , 14-27
This product has not been evaluated, approved, or cleared by the U.S
It keeps cells healthy and stops genetic problems that could cause disease
Older adults: Age-related changes can reduce the stomachs ability to absorb B12 from food