I suffer from chronic constipation & my husband & I have been fasting prior to the fast we prepared our bodies & used a cleanse. My bowels did not empty as my husband did & we have been using whey protein shakes as a supplement. Would this cause constipation as I have not had a bowel movement in over 12 days & I have noticed the protein shakes are becoming harder for me to tolerate. I don't feel bad I'm just concerned with the constipation. Have a blessed day & Thank you, Michelle