Question

For this assignment, I would like you to explain why supplementation of certain vitamins (fat and water-soluble) that have antioxidant properties in a health individual, does not provide any preventative health benefit.

Note: I have purposefully not commented on possible reasons for this phenomena and the text does not either....There should be commentary available that might give you a hint as to the possible explanation. I have heard one from a person that worked on antioxidants for years and they were extremely frustrated by this issue.

Prepare a 1-2 page report on your findings, with references. Make sure in your evaluation that you present a plausible explanation of this phenomena.....

Answer 1

Ans.

Fat-soluble vitamins are vitamins A, D, E, and K. They are present in foods containing fats. The body absorbs these vitamins as it does dietary fats. They do not dissolve in water.

Vitamins help the body function effectively. There are two types: water-soluble and fat-soluble vitamins. The water-soluble vitamins are vitamins B and C.

Most vitamins come from food, but sunshine contributes to vitamin D. Some people need or choose to take supplements that provide extra vitamins.

The body absorbs fat-soluble vitamins best when a person eats them with higher-fat.

A vitamin that can dissolve in water. Water-soluble vitamins are carried to the body's tissues but are not stored in the body. They are found in plant and animal foods or dietary supplements and must be taken in daily. Vitamin C and members of the vitamin B complex are water-soluble.

Antioxidants can be categorized as either water- or fat-soluble -

Water-soluble antioxidants perform their actions in the fluid inside and outside cells, whereas fat-soluble ones act primarily in cell membranes.

Important dietary antioxidants include:

• Vitamin C. This water-soluble antioxidant is an essential dietary nutrient.
• Vitamin E. This fat-soluble antioxidant plays a critical role in protecting cell membranes against oxidative damage.
• Flavonoids. This group of plant antioxidants has many beneficial health effects .

Many substances that happen to be antioxidants also have other important functions.

Notable examples include curcuminoids in turmeric and oleocanthal in extra virgin olive oil. These substances function as antioxidants but also have potent anti-inflammatory activity