How can you tell if you are low on vitamin B12 without a test?
One can suspect of having vitamin B 12 deficiency if you are constantly feeling lethargic and having nausea along with stomach upset.
Last updated on 23 May 2023
Pernicious anemia is one reason why B12 does not get absorbed in the body. The other reasons are lack of hydrocholoric acid in the stomach which can prevent B12 absorption.
A serum vitamin B12 level between 200 pg/mL and 900 pg/mL is considered normal, however, values ranging between 300 to 350 pg/mL is recognised as a marker for a desirable status in the elderly.
A person would need vitamin B12 supplements if they are vegetarians, vegans or are elderly people who have problems in absorbing vitamin B12 directly from food. These supplements will help them cope up with fatigue and general weakness.
Yes, a B12 deficiency can cause stomach upset and poor digestion.
No, it does not cause cancer. However, excessive intake may put you at a risk of cancer.
Access past pharmacy bills for easy reorder.