Earlier quoted context omitted.
For bonus points, keep track of hidden meat , like gelatin in 'yogurt' and marshmallows, isinglass in your wine, or bonechar in your sugar, or lard, oyster sauce, fish sauce or chicken broth snuck into otherwise vegetarian dishes.
I appreciate the sentiment that you should know what you eat, but don't understand this mentality that I observe many vegetarian / vegans have. Oh no, gelatin snuck in your food, you're not a proper vegan / vegetarian anymore! Beat yourself up about it! It oddly reminds me of those tiny silly inconsequential rules that you're supposed to pay attention in some religions. Like no alcohol. What does that have anything t…
Chicken broth is used in too many places as "instant flavour" where water would do just as well, or a mushroom broth. There's no reason for it, and the chefs I spoke with in Italy were horrified by the use of chicken broth in making a risotto.
I choose not to have anything with gelatin in it, because it's a useless filler, especially to yogurt. If you really need to thicken yogurt because you're reducing the milk's fat content, use agar or pectin.
(I am ova-lacto vegetarian, although I reduce my lacto because I'm mildly milk intolerant, more's the pity.)