In that case, I highly recommend. I use Vital Proteins. No taste and dissolves easily.

I also recommend Amazing Grass for digestive issues. If I feel bloated, or eat something that doesn't agree with me, I drink it and it literally clears me out. It's like hitting rest. This is the one I drink in lemon lime:

https://www.amazon.com/Amazing-Grass-Superfood-Organic-Caffeine/dp/B003TJERRG/ref=sr_1_1_sspa?s=grocery&ie=UTF8&qid=1537463152&sr=1-1-spons&keywords=amazing+grass+lemon+lime&psc=1