Roughly 70% of your immune system resides in your gut-associated lymphoid tissue (GALT), making intestinal health inseparable from immune function
Hayashi, Y
Its mostly found in animal-based foods, so if your diet is limited or your body struggles to absorb nutrients , your B12 levels can drop
B12, also known as Cobalamin cannot be produced by your body
Vitamin B12 Deficiency Symptoms Deficiency may result in various disturbances such as hematological, neurological, and psychiatric problems, observed as the following symptoms: Feeling tired/weak or confused Tingling or numbness in fingers and toes Constipation, balance issues Depression and cognitive issues A swollen, inflamed tongue Anemia Deficiency symptoms tend to manifest gradually over a few years, and it is recommended to check blood serum levels for early detection [7]
Sections of 4 m thickness are prepared using a paraffin microtome (HS3315, Huadu Technology, Zhejiang) and then dried in an oven (GZX-9030MBE, Boxun, Shanghai) at 60C for 1 h
