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Vitamin Match
Vitamins for Endocrinology
| Name1 | Name2 | Function | Deficiency: | Excess: |
|---|---|---|---|---|
| B5 | Pantothenic acid | Precursor for Coenzyme A | No known isolated deficiencies | None known |
| Lipoic acid | Required for Krebs cycle enzymes | No known isolated deficiencies | None known | |
| Biotin | Carboxylation reactions | Depression, fatigue, muscle pain | Used to Tx carboxylase deficiences | |
| B6 | Pyridoxine, Pyridoxal, Pyridoxamine | Precursor for pyridoxal phosphate (PLP) - cofactor for > 60 rxns, esp AA metabolism | Rare; usually pharmacologically induced --> Sz | CONVULSIONS + contraindicated in pregs --> decrease lactation |
| Folic acid | Converted to THF --> 1C transfer reactions | Megaloblastic anemia | Prevents neural tube defects | |
| B12 | Cobalamin | Reforms THF from enzymatic byproduct, degrades odd chain linked FAs | Pernicious anemia (anemia + CNS disturbance); homocystinuria | |
| C | Ascorbic acid | Powerful reducing agent + antioxidant; a few hydroxylation Rxns | Scurvy! | None known |
| B1 | Thiamin | Cofactor for various dehydrogenase enzymes in TCA cycle + pentose phosphate pathway | Beriberi Wernicke's Korsakoff's | Mosquito repellant Rapidly eliminated |
| B2 | Riboflavin | Component of FAD + FMN --> electron transport, FA + AA oxidation, FA synthesis | No known isolated deficiencies | Fluorescent urine |
| B3 | Niacin | Precursor for NAD+ and NADP+ --> cofactors for reductase + dehydrogenase enzymes | Pellagra | Lowers LDL |