A vitamin B12 deficiency can lead to nerve and brain damage and anemia. Early symptoms include weakness, constipation, and depression. It can result from dietary factors, medication use ...

B vitamins, or vitamin B complex, include eight nutrients involved in important processes within the body. Vitamin B complex has benefits for metabolism, energy production, and red blood cell ...

We propose that breathing supplements our diet with essential nutrients such as iodine, zinc, manganese, and some vitamins. We breathe in about 9,000 litres of air a day and 438 million litres in a ...