Following completion of baseline data collection, participants will be randomized to one of two groups. The research assistant will open a pre-assigned envelope in which group assignment was determined by a random number/block generator. The intervention is designed to complement guideline directed medical management. Therefore, both the intervention and control group will continue to be medically managed by their health care provider as usual. In order to avoid introducing the confound of extra attention paid to the intervention group, the control group will have the same visit and call schedule as the intervention group.

Following completion of baseline data collection, participants will be randomized to one of two groups. Participants assigned to the intervention group will receive dietary antioxidants as V8® Low Sodium 100% vegetable juice.

Metabolic Syndrome

Following completion of baseline data collection, participants will be randomized to one of two groups. Participants randomized to the intervention group will receive a month's supply of the V8® 100% Low-Sodium Vegetable juice as the dietary antioxidant intervention. Participants will be asked to drink one V8® juice each day for 30 days. Each V8® juice can is 11.5 ounces and can be consumed in divided amounts or all at once. The average daily intake of lycopene is estimated to be 5mg, one can of V8 juice provides 24 mg of lycopene. Thirty days duration for the intervention of V8® juice is based on previous data that indicates plasma antioxidant concentrations rise significantly within a two-week period and a plateau effect is reached within 4 weeks.

Dietary Antioxidant (V8® Low Sodium 100% vegetable juice)

The control group will continue to be medically managed by their health care provider as usual. The control group will have the same visit and call schedule as the intervention group.

Control group

University of Kentucky

Dietary Intervention in Persons With Metabolic Syndrome

A Dietary Intervention to Reduce Inflammation and Oxidative Stress in Persons With Metabolic Syndrome

Plasma will be collected at baseline and one month (up to 30 days) later for analysis of CRP. Data will be presented as the change over time between groups.

Plasma will be collected at baseline and one month (up to 30 days) later for analysis of MDA. Data will be presented as the change over time between groups.

The 24-hour dietary recall will be collected at baseline, two weeks into the study and one month (about 30 days) after study initiation by phone call.
Each food recall time point will be analyzed using the Nutrition Data System for Research (NDSR) software program and used to measure diet quality. The food quality assessment will be presented as the change in dietary quality (Healthy Eating Index score) over time between groups.

Skin carotenoid levels will be measured at baseline and 1 month (up to 30 days) using reflection spectroscopy approach (Veggie Meter) to determine adherence to the dietary intervention. Carotenoid levels will be presented as the change over time between groups.

Martha Biddle

Associate Professor

The design is that of a two-group randomized controlled intervention study. Subjects (N=100) will be randomized to 1 of 2 groups (intervention group or usual care/control group). Subjects will be recruited from outpatient cardiology clinics. The intervention group will be given one 11.5 ounce can of V8® 100% vegetable juice to drink each day for 30 days in addition to their normal diet. The usual care group will continue to consume their normal diet. Data collection for both groups will occur at baseline, and at one-month post-baseline. Data will include sociodemographic and clinical information, 24-hr dietary recalls, carotenoid levels and biomarkers of inflammation and oxidative stress.

Vitamin A Deficiency

Vitamin A Toxicity

University of Wisconsin - Madison

Vitamin A Liver Reserves and Serum Markers of Vitamin A in US Adults at Time of Death

Concentration of retinyl esters in subjects' serum

Concentration of vitamin A in subjects' liver samples

Concentration of retinol in subjects' serum

Concentration of alpha-retinyl esters in subjects' liver samples

University of Wisconsin, Madison

National Institute on Deafness and Other Communication Disorders (NIDCD)

Cardiovascular Risk Factor

Red Palm Olein contains corresponding fatty acids like Palm Olein except having more phytonutrients (carotenoids and vitamin E)

Red Palm Olein

Palm Olein contains corresponding fatty acids like Red Palm Olein except having less phytonutrients (no carotenoids and less vitamin E)

alpha carotene/zánět

Dietary Intervention in Persons With Metabolic Syndrome

Vitamin A Liver Reserves and Serum Markers of Vitamin A in US Adults at Time of Death

Red Palm Olein and Cardiovascular Health

Lipophilic Micronutrients, Adipokines and Gestational Diabetes Mellitus

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