Question: Which of the following is not a fat soluble vitamin?
A Vitamin A
B Vitamin B
C Vitamin D
D Vitamin E
Answer: Vitamin B
| Characteristic |
Fat-Soluble Vitamins |
Water-Soluble Vitamins |
| Solubility |
· Soluble in fats
· Insoluble in water |
· Soluble in water
· Insoluble in fats |
| Examples
|
· Vitamin A (retinol)
· Vitamin D (calciferol)
· Vitamin E (tocopherol)
· Vitamin K (phylloquinone)
|
· Vitamin B1
· Vitamin B2
· Vitamin B3
· Vitamin B5
· Vitamin B6
· Vitamin B7
· Vitamin B9
· Vitamin B12
· Vitamin C |
| Daily Requirement |
· These vitamins are often required in smaller quantities |
· These vitamins are needed in relatively larger amounts |
| Functions |
· Vitamin A is essential for vision
· Vitamin D is necessary for calcium absorption and bone health
· Vitamin E is an antioxidant
· Vitamin k helps in blood clotting |
· These vitamin works as a coenzymes in various metabolic reactions
· Used in energy production
· These vitamins support immune system |
| Sources |
· Animal products
· Nuts
· Seeds |
· Abundant in a variety of foods including fruits
· Vegetables
· Grains |
| Absorption |
· These vitamin requires dietary fats for their absorption |
· These vitamin can easily absorbed in the digestive tract |
| Storage in the Body |
· Can be stored in the liver and fatty tissues |
· Excreted in urine if not immediately used |
| Toxicity Risk |
· If these vitamin are consumed in excess, they can build up to toxic levels in the body |
· Being water soluble, they are easily excreted from the body so there is generally low risk of toxicity if present in excess |
