Welcoming a newborn into your life is a time of joy and responsibility. Ensuring that your baby receives the best nutrition and care is paramount, especially during the first few months of their life. Even though formula milk is nowhere close to breast milk but for many parents, formula milk is an essential part of their baby’s diet. However, it’s crucial to understand the correct way to prepare and serve formula milk to keep your baby healthy and happy. In this comprehensive guide, we’ll take you through the steps of safely preparing formula milk for your precious little one.

The Importance of Safe Formula Milk Preparation

Before delving into the practical steps, it’s essential to recognize the importance of safely preparing formula milk. Babies have delicate immune systems, and their little bodies are more susceptible to infections and illnesses. Incorrectly prepared formula can lead to various health issues, such as gastroenteritis, a stomach infection that causes diarrhea and vomiting. To safeguard your baby’s health, it’s essential to follow these guidelines meticulously.


Choosing the Right Formula

Selecting the Appropriate Formula

The first step in safely preparing formula milk is choosing the right formula. There are various types of infant formula available, including cow’s milk-based, soy-based, and hypoallergenic formulas. Consult your pediatrician to determine the most suitable option for your baby based on their specific needs and any allergies or sensitivities they may have.

Check for Quality and Authenticity 

Always purchase formulas from reputable brands and sources. Ensure the packaging is sealed and the formula has not expired. Counterfeit or low-quality formula can pose significant health risks to your baby.


Preparing the Formula

Sanitizing Equipment 

Before you begin, ensure that all equipment, including bottles, nipples, and any utensils you’ll be using, are thoroughly cleaned and sanitized. This step is crucial to prevent contamination.

Boiling Water 

For infants under six months of age, it’s advisable to use distilled water or tap water that has been boiled and then cooled to around 70°C (158°F). This helps eliminate harmful bacteria. 

Measuring Water 

Accurate measurement of water is crucial. Use a clean, designated measuring cup to measure the required amount of water, as per the instructions on the formula container.

Adding Formula 

Use the scoop or measuring cup provided with the formula to add the correct amount of powder to the water. Follow the manufacturer’s instructions carefully to achieve the correct concentration.

Mixing the Formula 

Seal the bottle with the nipple and cap, ensuring it’s airtight. Gently shake the bottle to mix the formula and water thoroughly. Avoid vigorous shaking, as it can introduce air bubbles, which can lead to colic in infants.


Temperature and Feeding

Checking the Temperature 

Test the formula’s temperature by placing a few drops on the inside of your wrist. It should be lukewarm, not too hot or cold. Always ensure the formula is at the right temperature before feeding your baby.

Feeding the Baby 

Hold the bottle in such a way that the nipple is filled with milk and not air to minimize the risk of colic. Ensure your baby is comfortably positioned during feeding.

Cleaning and Storage

Cleaning Bottles and Utensils 

After each feeding, wash the bottles, nipples, and any other utensils used with warm, soapy water. Thoroughly rinse and sanitize them before the next use.

Discarding Unused Formula 

Formula left in the bottle after a feeding should be discarded. Do not reuse it, as it may have been contaminated with your baby’s saliva.

Storage of Prepared Formula 

Use prepared milk within an hour after it is made and then discard it. You can prepare the formula in advance and store it in the refrigerator for up to 24 hours. To reheat, place the bottle in a container of warm water or use a bottle warmer. Never use a microwave oven to heat it as it can unevenly distribute heat which can be dangerous for the baby. 

sterilizing baby bottle


Ensuring the safe and correct preparation of formula milk for your baby is an essential part of parenthood. By following these guidelines, you can help prevent potential health issues and keep your baby happy and healthy. Remember, always consult with your pediatrician for specific recommendations regarding formula feeding and to address any concerns about your baby’s nutrition.


Does boiling water damage formula?

If parents fail to allow the boiled water to cool sufficiently to reach 70°C, then the hot water can destroy some of the nutrients in the formula. Nutrients most destructible by heat are the vitamins; thiamin, folate, pantothenic acid, and vitamin C. For example, thiamin is destroyed at 100°C.

Can you safely make your own formula?

Homemade formula may not be safe or meet your baby’s nutritional needs. The U.S. Food & Drug Administration (FDA) reports that some babies fed homemade formula have been hospitalized for hypocalcemia (low calcium).

How long can I store prepared formula in the refrigerator?

Prepared formula can be stored in the refrigerator for up to 24 hours. Ensure it is tightly sealed and properly labeled with the preparation date.

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