I've not encountered this product, but I did a quick Google search and found this ingredients list:
Link is here
Water, corn syrup solids, sugar, milk protein concentrate, vegetable oil (canola, high oleic sunflower, corn oils), calcium caseinate, sodium caseinate, and less than 1%: potassium citrate, artificial flavor, magnesium chloride, magnesium phosphate, salt, sodium ascorbate, betacarotene, biotin, niacinamide, calcium pantothenate, vitamin B12, vitamin B6 hydrochloride, thiamin hydrochloride, riboflavin, folic acid, potassium iodide, calcium phosphate, soy lecithin, choline chloride, vitamin E acetate, vitamin A palmitate, vitamin D3, vitamin K1, carrageenan, potassium chloride, zinc sulfate, manganese sulfate, cupric sulfate, chromic chloride, sodium molybdate, sodium selenite, ferrous sulfate. Contains milk protein.
In addition to the above: Chocolateflavored liquid contains cocoa processed with alkali and ferric pyrophosphate (instead of ferrous sulfate); Strawberryflavored liquid contains Red 3 (color).
It would not be suitable for vegans. I don't recognize all of the ingredient names, but nothing jumps out that would keep a vegetarian from using it. However, maybe someone with a better eye for trace ingredients should confirm that.