Dr Thornber advised: Vitamin B12 should be used with caution if you have any of the following conditions - heart concerns, high blood pressure, history of cancer, skin disorders, genitourinary concerns, gastrointestinal concerns, blood disorders, low serum levels of potassium, and history of gout. He added: If youre eating a balanced and healthy diet you should get enough B12 from your food including, meat, fish, dairy products, and eggs
But unless you have a vitamin B12 deficiency, vitamin B12 injections aren't likely to give you an energy boost." Ironically, the National Institutes of Health says that symptoms of B12 deficiency include loss of appetite and weight loss
What is a B12 Injection
Some supplements can affect how the body absorbs other supplements, making them less effective or putting you at risk of adverse effects or overdoses
Supports Nerve Health Vitamin B12 is essential for maintaining healthy nerve cells