Woodstock™ Organic Yellow Mustard. Eat because it's good! Spread a little sunshine! Gluten free. USDA organic. Member Organic Trade Association. Quality Assurance International. Certified organic. Please recycle. Vegan. ©2011 Woodstock. Learn more and get to know us at woodstock-foods.com. Certified organic by Quality Assurance International (QAI) San Diego, CA 92122 USA.