D. Cod liver oil – Explanation
| Cod liver oil provides around 1,300 IU per 15 ml serving |
Vitamin deficiency
The table below summarizes vitamin deficiency states
| Vitamin | Chemical name | Deficiency state |
| A | Retinoids | Night-blindness (nyctalopia) |
| B1 | Thiamine | Beriberi, polyneuropathy, Wernicke-Korsakoff syndrome, heart failure |
| B3 | Niacin | Pellagra, dermatitis, diarrhoea, dementia |
| B6 | Pyridoxine | Anaemia, irritability, seizures |
| B7 | Biotin | Dermatitis, seborrhoea |
| B9 | Folic acid | Megaloblastic anaemia, deficiency during pregnancy – neural tube defects |
| B12 | Cyanocobalamin | Megaloblastic anaemia, peripheral neuropathy |
| C | Ascorbic acid | Scurvy, gingivitis, bleeding |
| D | Ergocalciferol, cholecalciferol | Rickets, osteomalacia |
| E | Tocopherol, tocotrienol | Mild haemolytic anaemia in newborn infants, ataxia, peripheral neuropathy |
| K | Naphthoquinone | Haemorrhagic disease of the newborn, bleeding diathesis |
