2.3. Supplementation Material
POLAND
The tested materials’ packages, consisting of 100 unlabeled pouches containing either COL or PBO, were provided free of charge by Genactiv Trade Sp. z o. o., Poznań, Poland. The COL sachets contained a mixture of 500 mg of freeze-dried bovine colostrum obtained within 2 h after calf delivery, mixed with 500 mg of dried banana powder. The PBO doses consisted of 500 mg of spray-dried whey mixed with 500 mg of dried-out banana. These were the typical supplementation materials’ doses that were efficiently used in our previous experiments, causing measurable biological effects [