Subjects were asked not to change their nutritional habits or sporting activities during the study period. At the end of each supplementation phase, possible changes in nutritional habits, sporting activities or weight were documented for control. Consumption of alcohol was not allowed 48 h prior to and during the visits. The meal before each visit was standardized for all subjects (bread with low-fat cream cheese and tomatoes or cucumber). Twenty-four hours before each visit, the subjects had to avoid sport or exhaustive activities.
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