They produce histamine which is important in Allergies. They also produce a anti clotter of blood Heparine.

samerra lillian jones clotter i am looking for

These cells contain granules that contain substances that make blood vessels leaky, and another substance that assists in blood clotting.

Leafy greens like kale or spinach or anything with high amounts of vitamin k as its a blood clotter

Basophils are a type of white blood cell. They function in the immune system in allergic reactions. They also contain heparin to prevent the blood from clotting too quickly, and histamine which dilates blood vessels.