Cardiovascular health, gut health, inflammation Circulatory System
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Healthy 2. Age 40-65y 3. Not on prescribed medication 4. Body mass index between 20 and 35 5. Low habitual consumption of wholegrain (<24g/d or 1.5 servings)
Exclusion criteria
Exclusion criteria: 1. Diabetes, heart problems, stroke, vascular disease, inflammatory disease, renal/bowel/liver disease, pancreatitis 2. Any prescribed medication (including aspirin) 3. Asthma 4. Allergies 5. Smoking 6. Vegan 7. Eating out >3 times per week 8. On fish oil or other supplements 9. History of alcohol misuse 10. Consumption of alcohol of >21 units for men or >15 units for women 11. On weight-reducing diets 12. Intense aerobic exercise more than 3x per week 13. Participating in another clinical trial 12. Regular travel 13. Flu vaccination in previous 12 months or planned vaccination during next 12 months 14. Prebiotic or probiotics or antibiotics for 3 months prior
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Dietary intake assessed by questionnaire (daily during intervention) 2. Gut health assessed by questionnaire and microbiological analysis of stool samples (beginning and end of each arm of intervention) 3. Immune cell function (phagocytosis, natural killer cell activity, T cell activation) assessed by flow cytometry (beginning and end of each arm of intervention) | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Salivary IgA levels assessed by ELISA (beginning and end of each arm of intervention) 2. Blood lipids, glucose and insulin assessed by automatic analyser (beginning and end of each arm of intervention) 3. Plasma alkylresorcinols analysed by sponsor (beginning and end of each arm of intervention) 4. Inflammatory and metabolic markers analysed by Luminex (beginning and end of each arm of intervention) | — |
Countries
United Kingdom