Blueberry consumption = Constipation?
Recently I started consuming blueberries. In the course of a day I would add a small container of them throughout the day to my protein shakes. There was about a week lag from consumption to when I started experiencing severe pain in the bathroom due to constipation.
I have narrowed it down to the blueberries b/c my gf was also consuming the blueberry protein shakes with me after the gym and she had the same issue.
I find it rather surprising there is absolutely nothing on the internet suggesting that blueberries can cause this issue. As a matter of fact, the converse is often shown on websites, suggesting that blueberries can help with constipation.
Can someone please advise?