Because of this, certain groups may want to exercise caution or avoid these supplements altogether: People taking hormone-related or other prescription medications Ingredients in hormone-support supplements may interact with treatments such as hormone replacement therapy (HRT), birth control, diabetes medications, thyroid hormones, immunosuppressants, antihypertensives, sedatives, and others.35 These interactions can alter how medications work or increase the risk of side effects
That includes one of the most important: the immune system
Symptoms of B12 deficiency include: Fatigue Low mood or personality/mood changes Irritability Lethargy Headaches Palpitations Loss of appetite Pale yellow tint to the skin A feeling of pins and needles (paraesthesia) Poor memory Impaired cognitive performance Depression Weakness Impaired digestion Inflammation Gastrointestinal lesions Neurological damage Since B12 is primarily found in animal products, any change in ones diet that leads to a decrease in the consumption of such products such as a vegan , vegetarian, or low-fat diet can increase the chance of a person developing a B12 deficiency
Higher doses of vitamin B 12 supplements are recommended for patients taking medications that interfere with its absorption (see Drug interactions)
