Many popular condiments are very high in fat and carbohydrates, adding sneaky but substantial calories to your daily intake. It is easy to take these calories for granted, since you may only be using a little bit of these condiments at a time. Many of the condiments in this article contain about 120-200 calories for a 2 tbsp serving, which is very significant.
That's not to say that you shouldn't eat these foods, but to make sure you're being cognizant of your serving sizes.
Check out the article for a full breakdown on popular condiments: https://www.eatthis.com/popular-condiments-that-make-you-gain-weight-according-to-experts/