What is the allergen dose of each serving of Ready. Set. Food! Organic Puffs? Each serving of puffs is equivalent to ½ serving of Stage 3 Mix-Ins packets. Related articles When can I use the Ready. Set. Food! Organic Puffs? How will I know which allergen caused an allergic reaction with the Stage 3 Mix-Ins? How long should I use Stage 3 Mix-Ins? If I miss a day or have gaps during the introduction stage, do I have to start over? What are the ingredients in Ready. Set. Food! Stage 1 & 2 Mix-Ins? Was this article helpful? Yes No