Does the subject want to ask "is it normal for Heinz black pepper sauce to have bitter taste?" Normal. Heinz Black Pepper Sauce belongs to Heinz Seasoning Food Co., Ltd., an internationally renowned ketchup brand, which is known as synonymous with ketchup. It provides delicious, nutritious and convenient food for families, and it has a strong pungent taste. Black pepper is stronger than white pepper, and it will be a little bitter in the mouth. This is normal.