Nov 25, 2025 · Testing the folate level, which is also known as folic acid and vitamin B9, is primarily used in the diagnosis of megaloblastic anemia. The reference range of the plasma folate level varies...

Nov 28, 2025 · While reference ranges vary slightly between laboratories, a healthy adult serum folate level is generally considered to be above 4 nanograms per milliliter (ng/mL). Levels below 3 ng/mL …

Jul 28, 2025 · Normal red blood cell folate levels for adults range from 140 to 628 ng/mL (317 to 1,422 nmol/L). These reference ranges can vary slightly among different laboratories.

Normal folate levels typically range from 2.7 to 17.0 ng/mL, though this range may vary slightly depending on the laboratory. These levels indicate that your body has an adequate amount of folate …

Nov 10, 2024 · Each laboratory must establish its own normal ranges for vitamin B9 (folic acid) in the blood. These ranges depend on the makeup of the local population, the technologies used and the …

May 20, 2025 · Folic acid is the only form of folate (vitamin B9) shown to help prevent neural tube defects. All women capable of becoming pregnant should get 400 micrograms of folic acid daily.

Aug 15, 2025 · People who are planning pregnancy or could become pregnant should get 400 to 800 mcg of folic acid a day. Research on the use of folate and folic acid supplements for specific …

Serum folate concentrations are commonly used to assess folate status; a value above 3 ng/mL indicates adequacy [1, 2, 9]. This indicator, however, is sensitive to recent dietary intake, so it might …

Serum folate levels typically fall within a few days after dietary folate intake is reduced and may be low in the presence of normal tissue stores. Red blood cell folate levels are less subject to short-term …

Normal Folic Acid Levels for Adults: Typically, normal serum folate levels for adults range from 3 to 17 ng/mL. However, this can vary slightly depending on the laboratory and the testing method used. …