Hello All,
Charcoal will cause black bowel movements, as charcoal itself is black and does not undergo any chemical color change on its journey thru the digestive tract.
A note of caution about Charcoal - it absorb everything in it's path. So take it all by itself.
It will be taking up all the other supplements you take with it. And you'll receive little to no benefit from your other supplements. Yes it's very good at absorbing gas, but again, take it all by itself.
For instance, I have trouble with the bubbles in carbonated drinks, they make me hiccup badly, and then my body cannot pop the bubbles, they seem to travel thru the GI tract causing pain and pressure. Every once in a while (2-3 times a year) I'll get a craving for root beer or ginger ale, and I have to take charcoal with it. But it's worth it to me !!
Joanne