What is the difference between NANKID OPTIPRO Step 3 & Step 4?

NANKID OPTIPRO Formula Milk

NANKID OPTIPRO Step 3 & Step 4 are both formulated milk powders for children containing 2'-FL Oligosaccharide & Probiotic B. lactis to strengthen your child's immunity and reduce the likelihood of them feeling unwell.

The only difference is that NANKID OPTIPRO Step 3 is for children ages 1 to 3 years old and above whereas NANKID OPTIPRO Step 4 is for children 4 years and above.

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