Low Carb Dark Stool Gross Question Regarding Bathroom Issues. Please Help Though?

Gross question regarding bathroom issues. Please help though? - low carb dark stool

Recently, I was (First diarrhea for about a week and out). It is more fluid than normal and the water is dark (as if you are dehydrated urine), is the chair are slightly browned. Is this bile? or pests?
More info ... I know that questions:
1. I'm 19, Female
2. I had my gall-one years ago
3. eating a diet low in carbohydrates (a lot of meat, cheese and eggs) for about a week and a half

Thanks for the answer would be .... I do not need no stupid sarcastic answers.