To assess the safety of the study products, blood samples for routine laboratory, including haemogram (complete blood count), liver enzymes, blood lipids, blood glucose, uric acid, creatinine and PT, were taken at each visit. Vital signs were determined at all visits. Additionally, adverse events and concomitant medication were documented. The tolerability of the study products was rated by the subjects at the end of each supplementation phase, by selecting one of the following categories: “well tolerated”, “slightly unpleasant” or “very unpleasant”.
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