How to Prepare Powdered Infant Formula

These steps are for healthy term infants. Be sure to check Health Canada’s Recalls and Alerts for formula recalls.

Steps to prepare powdered infant formula for healthy-term infants

  • Wash hands and counter with soap and water.
  • Run cold water for at least 2 minutes (use approved filter if you have lead pipes. Boil water for 2 minutes. Let it cool and use within 30 minutes.
  • Have sterilized equipment ready on a clean paper towel (see How to Sterilize Equipment)
  • Read the label. It will tell you how much powder and water to use. Wash top of can with warm water.
  • Pour boiled water into empty glass measuring cup.
  • Fill scoop from can with powder. Level with a knife.
  • Add the required number of scoops of powder to the boiled water. Mix until no lumps of powder are left.
  • Pour amount of infant formula for one feeding into each bottle (use glass if possible).
  • Pick up nipples, rims and caps with sterile tongs and put on bottles. Then tighten with your hands.
  • Shake bottle well. Cool bottle under cold running water.
  • Put bottles in refrigerator. Use within 24 hours.
  • Cover can with plastic lid. Store in a cool, dry place. Use within 1 month.

These steps adapted with permission from Toronto Public Health.

Steps to prepare formula safely