Hey Liam! It sounds like Huel is helping you a great deal. Nice one dude!! 
I agree the RTDs are very creamy, smooth and most importantly T H I C C 
I’ve found if you use Soya Greek Yoghurt with the right amount of water for the powder versions you can achieve similar results ~ have a little experiment with that if you like!
There are a few people on here that have used Huel alongside there medical needs and have said it’s been beneficial for various reasons. Here’s a post of somebody’s experience with Huel & Diverticulitis which you may find helpful to read 