can b12 injections make you sick vitamin tired How Soon Do You Feel Less Tired After a Common & Rare Side Effects

They are also ideal for vegans, older adults, and those with nutrient absorption issues

A blood test tells you whether you are actually low, so you are treating a real need, not guessing

PMID 12410623

While the condition is the major cause of poor vitamin B 12 status in the elderly population, it is usually associated with atrophic gastritis, a chronic inflammation of the lining of the stomach that ultimately results in the loss of glands in the stomach (atrophy) and decreased stomach acid production (see Atrophic gastritis)

The pills might be less expensive, but you need to take them almost every day to get the benefits of the supplement

Optimising treatment outcomes may be facilitated by addressing nutritional deficiencies