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Standard serum B12 tests don't accurately reflect your cellular B12 levels
While sufficient amounts are often obtained through diet alone, some conditions prevent the body from using Vitamin B12 to ensure their body functions normally, especially in older adults and You may need Vitamin B12 supplements if you have poor nutrition, HIV, cancer, pregnancy, celiac disease, alcoholism, stomach problems, age and vegan diets that restrict animal products and rely on plant foods
doi:10.15605/jafes.037.02.14
A normal result is useful too
B12 injection
US$ 25.30
US$ 25.69
US$ 27.41
