The Vitamin B12 Test is crucial for determining the levels of this vital vitamin in your body. Vitamin B12 plays a key role in red blood cell production, DNA synthesis, and nerve health. Deficiency in B12 can lead to fatigue, weakness, memory loss, and neurological issues. This test is particularly important for individuals following vegetarian or vegan diets, as B12 is primarily foun... https://redcliffelabs.com/vitamin-b12-test