Condiments can change the nutrition of a meal, quickly adding calories, fat and salt to a sandwich or lunch bowl.

Dietitians say condiments are fine to use in moderation. They can help people eat healthier foods by boosting the flavor or eat fewer calories overall by enhancing the taste.

“If you eat something you like, you’re satisfied and you stop. The thought is psychologically, you’re satisfied,” Lisa Young, a registered dietitian in New York and author of “ Finally Full, Finally Slim ,” previously told TODAY.com.

But some choices are better than others.

What’s the No. 1 condiment to avoid if you’re watching your weight? One option stands out.

Dietitian Tip of the Day: Skip the Mayo If You’re Trying to Lose Weight

Mayonnaise is high in fat and calories, so it’s the least healthy

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