People with low B12 may experience: Persistent fatigue or low energy Weakness Brain fog, concentration issues, or memory changes Low mood or irritability Pins and needles, numbness, or nerve-type sensations Mouth ulcers or a sore tongue Paleness or shortness of breath (if anaemia is present) Some symptoms can become more serious if deficiency is prolonged, particularly neurological symptoms
Disclaimer: MT1 (Melanotan 1 / afamelanotide) is a research compound not approved by the U.S
[8] When administered, they bind to GLP-1 receptors found throughout the body, particularly in the pancreas, brain, and gastrointestinal tract
Zhang, J., Trossat-Magnin, C., Bathany, K., Delrot, S
Detection of a low-grade enteroviral infection in the islets of langerhans of living patients newly diagnosed with type 1 diabetes
Psychiatry 22 , 13761384 (2017)