What Are Stage 1, Stage 2, and Stage 3 Formula?

Stage 1, Stage 2, and Stage 3 formula refer to different types of infant milk formula suitable for babies of different ages. Generally, stage 1 is for babies aged 0-6 months, stage 2 for 4-18 months, and stage 3 for those over 12 months. However, there may be slight variations among different manufacturers, but the basic categorization remains the same.
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