So, there seems a possibility it is autoimmune BUT what about the low meat intake
Getting the injection right, and staying safe Beyond the needle itself, a clean, correct technique is what keeps a B12 injection safe: clean hands, a single-use needle and syringe, an alcohol-cleaned site, and safe sharps disposal afterwards
Its quick, straightforward, and most people feel little more than a mild scratch
The 4 stages of B12 deficiency include (31): Stage 1: decreased levels of vitamin B12 in your blood Stage 2: low levels of vitamin B12 in your cells along with metabolic abnormalities Stage 3: neurological and psychological symptoms like anxiety, confusion, problems with balance, and others Stage 4: macrocytic anemia very large red blood cells (32) B12 deficiency can cause a variety of symptoms, including fatigue, headaches, depression, pale or yellow skin, mental impairment, and pain and inflammation in the mouth and tongue
Chung YC, Shin WH, Baek JY, Cho EJ, Baik HH, Kim SR, et al