Folic acid, also known as folate or Vitamin B9, is a member of the B vitamin family and an essential cofactor for enzymes involved in DNA and RNA synthesis. More specifically, folic acid is required by the body for the synthesis of purines, pyrimidines, and methionine before incorporation into DNA or protein. Folic acid is particularly important during phases of rapid cell division, such as infancy, pregnancy, and erythropoiesis, and plays a protective factor in the development of cancer. As humans are unable to synthesize folic acid endogenously, diet and supplementation is necessary to prevent deficiencies. For example, folic acid is present in green vegetables, beans, avocado, and some fruits.[L5744] In order to function within the body, folic acid must first be reduced by the enzyme dihydrofolate reductase (DHFR) into the cofactors dihydrofolate (DHF) and tetrahydrofolate (THF). This important pathway, which is required for de novo synthesis of nucleic acids and amino acids, is disrupted by anti-metabolite therapies such as [DB00563] as they function as DHFR inhibitors to prevent DNA synthesis in rapidly dividing cells, and therefore prevent the formation of DHF and THF. When used in high doses such as for cancer therapy, or in low doses such as for Rheumatoid Arthritis or psoriasis, [DB00563] impedes the body's ability to create folic acid. This results in a deficiency of coenzymes and a resultant buildup of toxic substances that are responsible for numerous adverse side effects. As a result, supplementation with 1-5mg of folic acid is recommended to prevent deficiency and a number of side effects associated with MTX therapy including mouth ulcers and gastrointestinal irritation. [DB00650] (also known as folinic acid) supplementation is typically used for high-dose MTX regimens for the treatment of cancer. Levoleucovorin and leucovorin are analogs of tetrahydrofolate (THF) and are able to bypass DHFR reduction to act as a cellular replacement for the co-factor THF. There are also several antiepileptic drugs (AEDs) that are associated with reduced serum and red blood cell folate, including [DB00564] (CBZ), [DB00252] (PHT), or barbiturates.[A37004] Folic acid is therefore often provided as supplementation to individuals using these medications, particularly to women of child-bearing age. Inadequate folate levels can result in a number of health concerns including cardiovascular disease, megaloblastic anemias, cognitive deficiencies, and neural tube defects (NTDs). Folic acid is typically supplemented during pregnancy to prevent the development of NTDs and in individuals with alcoholism to prevent the development of neurological disorders, for example.
Children's Chewable Multi-vitamin Complete With Minerals
Kids Stuff Tablets
Mvc 9+4 Inj
Tricare Prenatal
Adeks Tablets
Vitamin B Complex 50
Card-floe II Tab
Folic Acid Tab 1mg USP Chewable
50 Plus
PNV-Select
Folic Acid Tab 1mg
Pregnancy Multivitamin Folic 5
NESTABS DHA Prenatal Multi-vitamin/Mineral Supplement with DHA/EPA
Prenatal Plus
Bear Essentials
One-A-day Advance Fem - Tablets
Relnate DHA
Rulavite DHA
Trinatal GT
Vita-B-75 Cap
Bugs Bunny and Friends Multiple Vitamins
FolaPrime
B.E.T. Complex
Prenatal Vitamins Plus
RE Nata OB
Super B12 + Folic Acid
T.R.I. B-plex Src
B-100 Hi Potency B Vitamins Tab
Daily Supplement Packs
B-Serene Rx
RESTORA Sprinkles
Vyo Cylate - Pwr
Corvita
Multiple Vitamins and Minerals Capsules
Replavite
Virt-Vite Forte
Vol-Tab Rx
Vitrexate FE
Se-Care Chewable
Foliflex
Prenatal Plus Iron
Multi II IV Vi Tab
Spectrum 2 Cap
Iron Folate Plus
One Per Day Vitamin and Mineral Dietary Supplement
C. Vit-min Formula
Formula Int
Classic Swiss One 10 Multivitamin and Mineral Tab
Essential Vitamins and Minerals
Nutrilite Double X
Av-VITE FB Forte
Multi B
Sopalamine/3b Plus C
Multi Enfants Tab
Polymine Avec Zinc Et Cuivre
Sun-rype Vitaburst
FUSION Sprinkles
FeRivaFA
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Multivitamins and Minerals for Young Men
Multi Pro
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Novo-folacid 5mg
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Focalgin CA
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Nutra Boost
Supravite Stress Avec Vit E
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K.L. Vitamin-mineral
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Prenate Chewable
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Neonatal19
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Indication
Folic acid is indicated for the treatment of folic acid deficiency, megaloblastic anemia, and in anemias of nutritional origins, pregnancy, infancy, or childhood.
Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison
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