Your cat may graze on grass to boost its vitamin levels. Grass contains a nutrient called folic acid, which helps move oxygen through the blood stream. Some experts theorise that eating grass may also help ease sore throats, while others believe cats do it simply because they enjoy the taste and texture.

Is eating grass bad for cats?

When eaten in moderation and providing it hasn't been treated with any pesticides or herbicides, cats eating grass is completely fine. However, if your cat eats grass a lot, it could get stuck inside their nasal chambers and cause them to sneeze excessively.

What are cats lacking when they eat grass?

Vitamin Deficiency (folic acid)

Grass contains folic acid (which is a B vitamin) as well as other nutrients, so if your cat is lacking in any vitamins he may decide to snack on some grass. Folic acid is important in producing oxygen and proper growth. Lack of folic acid can also lead to anemia.