From the inside or lumen, through the gut wall into the blood
It might be D- which is A and B
According to World Health Organisation, approximately 500,000 preschool age children go blind each year due to vitamin A deficiency. Vitamin A is need for proper functioning of the immune system and for the proper functioning of the eyes. Sources of vitamin A include: egg, liver, vegetable with high carotene contents, fortified milk, fruits, etc.
They usually contain a diuretic. A diuretic increases the amount of water lost from the body. Since the body is made up of 80% water, the person will see some weight loss. Once the person stops taking the supplement the weight will be regained quickly.