Can you have B12 deficiency with normal levels?

The serum B12 test is still widely used as thé test to confirm or rule out a vitamin B12 deficiency. However, a normal blood value cannot rule out a B12 deficiency, as has often been shown in scientific medical literature. Serum B12 can be false normal or even false high, while a deficiency is present.

Can you have low B12 without being anemic?

The symptoms of vitamin B12 deficiency can develop slowly and worsen over time. Some symptoms may be experienced by people who have a vitamin B12 deficiency without anemia. Some people may experience no symptoms, despite low levels of vitamin B12.

How does B12 affect hemoglobin?

Vitamin B12 or B9 (commonly called folate) deficiency anaemia occurs when a lack of vitamin B12 or folate causes the body to produce abnormally large red blood cells that cannot function properly. Red blood cells carry oxygen around the body using a substance called haemoglobin.

Do all the patients with vitamin B12 deficiency have pernicious anemia?

Conclusion: Only 18.9% of patients with vitamin B12 deficiency are discovered to have PA by the WHO definition.

Can vitamin B12 raise hemoglobin?

A significant increase in hemoglobin appeared from very low vitamin B12 concentration and up to approx. 400 pg/mL, while hemoglobin did not significantly change from 700 pg/mL and onwards. Vitamin B12 injections were used by 34% of athletes, significantly more often by endurance than by strength athletes.

Can iron and vitamin B12 be taken together?

No interactions were found between multivitamin with iron and Vitamin B12. This does not necessarily mean no interactions exist. Always consult your healthcare provider.

How often should you have B12 injections for pernicious anemia?

If your vitamin B12 deficiency is not caused by a lack of vitamin B12 in your diet, you’ll usually need to have an injection of hydroxocobalamin every 2 to 3 months for the rest of your life.

Can low B12 cause weight gain?

Furthermore, while a deficiency in vitamin B12 may not cause weight gain, it can decrease energy levels and contribute to fatigue, making it harder to stay active and manage your weight.

How many patients have low vitamin B12 levels?

Out of 3045 patients, there were 415 (155 males and 260 females, aged 36 +/- 18 years) with normal blood count, but low vitamin B12 level, which was between 40-140 pmol/l ( normal 145-637). 350 patients agreed (81 males and 170 females), but complete information was obtained only from 251 patients (71.71%).

Why are low hemoglobin levels more common in women?

It is more common in women due to blood loss from menstruation and increased demand during the childbearing years, various medical conditions, and poor diet. Low Hemoglobin Levels in Women can affect health and also has great effects on menstrual cycle, which need to be understood.

Is it normal to have low hemoglobin during pregnancy?

Low Hemoglobin Levels in Women. Mild anemia or slightly low hemoglobin levels that develop at the time of pregnancy due to higher demands from the body is considered completely normal. However, some types of anemia can still induce lifelong health problems.

How can you tell if you have a vitamin B12 deficiency?

Measurements of serum vitamin B12 may not reliably detect deficiency, and measurement of serum homocysteine and/or methylmalonic acid should be used to confirm deficiency in asymptomatic high-risk patients with low normal levels of vitamin B12.