Low energy Poor sleeping patterns Low moods Poor concentration or mind fog Crohns, celiac, IBS and other bowl disorders which stop you from absorbing vitamins in the foods you eat mean you are likely to be low on VitB12 Medication, such as anti-depressants, thyroid & HRT drugs can use up your levels quickly Vegans and vegetarians are likely to be low as these diets provide little or none of the food groups that contain VitB12
Cancer Treat Rev (2017) 55:15062
Rorsman P, Berggren PO, Bokvist K, Ericson H, Mhler H, stensson CG, Smith PA
10 Signs of B12 deficiency Nausea Vomiting Loss of appetite Poor absorption of food Constipation Gas Weight Loss Fatigue/ Lethargy Abdominal Pain Diarrhea Recommended Weekly Dosage of Vitamin B12 During FIP Treatment For non-anemic adult cats, up to 250-500 microgram (mcg) every weeks
Large-scale oscillatory calcium waves in the immature cortex
GLP-1 receptor activation reduces appetite and delays stomach emptying, cutting energy intake