Guar gum can hold moisture in the mix, which may reduce visible whey on the yogurt surface.
Its water-binding nature helps maintain a uniform texture throughout the yogurt.
Even moisture distribution from guar gum contributes to the overall body of the yogurt.
Guar gum may reduce changes in texture during storage by limiting water movement.
In recipes with less fat, guar gum is added to help support a balanced and creamy texture.