They had given patients oral supplements of vitamin D to reduce nasal inflammation and reverse the loss of the sense of smell the inflammation often causes. "It helped zero of 28 people," she said.

In addition to capsules, vitamin B12 supplements are also available as liquid drops or a nasal spray. Studies show that these forms have similar rates of absorption and are as effective as oral ...

B12 forms the protective layer around nerve cells, which allows the body to effectively communicate with your nerves. Having ...

Vitamin B12 oral medication. Vitamin B12 intramuscular injections (a shot that goes into your muscle). Vitamin B12 nasal gel. Vitamin B12 nasal spray.