Hairballs, gagging, digestive upset, and throat irritation are common concerns for both cats and dogs—especially as they age or deal with underlying health issues. While many products focus on lubrication alone, true comfort often comes from soothing and protecting the tissues involved . That’s where marshmallow root  stands out. What Is Marshmallow Root? Marshmallow root ( Althaea officinalis ) is a time-honored herb known for its high mucilage content —a gel-like compound t