Redwood Foods versions of these are sold in Holland and Barrett, Asda and wholefoods shops. Gravy granules. Just because you're feeding a vegetarian or vegan doesn't mean they have to have 'vegetarian' gravy (you know, the thin watery stuff that looks like a dissolved vegetable stock cube).
If your tongue is stained black or dark brown it may be caused by medications and certain foods/drinks. Drinking several cups of coffee or tea per day may stain the tongue; some people who supplement with green drinks containing chlorophyll may notice a very green tongue.
Hairy tongue may appear brown, white, green, or pink, depending upon the specific cause and other factors, such as mouthwashes or even candy. Certain types of bacteria and yeast can even give the tongue a black appearance, referred to as âblack hairy tongueâ.