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A serum folate level of less than 7 nmol/L (3 μg/L) is indicative of folate deficiency; Red blood cell folate testing is not routinely performed, since serum folate is sufficient in most cases, however, if there is a strong suspicion of folate deficiency despite a normal serum folate level, a red cell folate test may be performed.
A serum folate of 3 μg/L or lower indicates deficiency. [98] Serum folate level reflects folate status, but erythrocyte folate level better reflects tissue stores after intake. An erythrocyte folate level of 140 μg/L or lower indicates inadequate folate status. Serum folate reacts more rapidly to folate intake than erythrocyte folate. [113]
In women aged between 19 and 64 years, the mean serum vitamin B 12 concentration was slightly lower than men (298 pmol/L), with 3.3% having low vitamin B 12 concentrations < 150 pmol/L. [161] In Germany, a national survey in 1998 was conducted in 1,266 women of childbearing age.
Symptoms typically appear at about 5 to 24 months of age. [3] [2] Without treatment there may be poor muscle tone, trouble with coordination, trouble talking, and seizures. [3] One cause of cerebral folate deficiency is a mutation in a gene responsible for folate transport, specifically FOLR1. [2] [4] This is inherited in an autosomal recessive ...
[56] [57] Low levels of serum vitamin B 12 may be caused by other factors than B 12 deficiency, such as folate deficiency, pregnancy, oral contraceptive use, haptocorrin deficiency, and myeloma. [57] High serum levels may caused by supplementing with vitamin B 12, present of antibodies to intrinsic factor, or due to underlying condition. [56]
3. Folic Acid. Folic acid is a synthetic form of folate, a B vitamin found naturally in many foods. If you eat lots of dark leafy greens (like broccoli, spinach and asparagus), beans, nuts, seeds ...
She cites a review of studies that found eating avocados twice a day as part of a low saturated fat and cholesterol diet can help lower total and LDL cholesterol.
Low testosterone symptoms in men vary widely, especially across different age groups. If you have low testosterone, it can lead to problems with drive, muscle mass levels, fat distribution, bone ...