21 years old, I'm honestly very concerned, but doctors last month said not to be...

[Bludstained]

Removed delete thread

[Dahila]

eating beets, blackberries, blueberries will make you stool very dark. You went to doc and he said you are ok. Get up young man, move a bit exercise, go to club or meet some friends, and stop focusing on your body. Too much information on Dr google. Higher your intake of fiber and your stool will not be that dark. if in doubts go to doc again. We are no doctors , we can only offer our stories , nothing else ;))
BTW 99% of people here have a health anxiety, so sometimes is better to keep off forums like that. Lately not much support here either

[Kirk]

Take Dahila's and my word for it, stay off the internet and don't self diagnose.
My GI physician told me the internet paints the worst case outcome, so you could
have yourself dead and buried for no good reason at all.