@bones said in B12 Issues Digestion/ IBS:

No never tried any Calcium supplements yet,

It may be worth giving it a try. At least it was a game-changer for me (together with a carrot salad)

Look for a pure form, without additives...

what exactly does it mean to follow Ray's nutritional advice?

In short try these recommendations: https://youtu.be/oGEbaCiih5o and other Danny's videos. Or this https://biochemnordic.com/ray-peat-diet-thyroid/

Complex answer: is worth reading resources like this https://bioenergetic.forum/post/4

But the key to Ray's idea is to "Percive. Think. Act". i.e. continuously observe and adapt your diet and lifestyle...

And you can always ask us here.