Grape and Placebo Powder Supplement One group (treatment group) of 20 participants will receive grape powder (GP) supplement while the other group (placebo control group) of 20 participants will receive placebo powder (P) supplement. The grape powder is equivalent to 2 servings of fresh grapes/day. The placebo is composed of table sugar and will be similar in appearance and energy content to the grape powder. The intake of both groups will be 46 g/day of grape powder (GP) or placebo powder (P) for 12 weeks in a double blinded manner. The grape powder or placebo will be added to water and consumed as a beverage.