Introduction
As a midwife and a breastfeeding and nutrition adviser in Munich, I often meet parents who want to know how long made-up first infant formula keeps. In this article I will give you the most important information and tips to help keep your babies healthy and happy. How long first infant formula keeps is an important point for parents to bear in mind, so that their babies stay healthy and safe.

What is first infant formula?
First infant formula is a special kind of milk developed for newborns and babies in their first year. It contains all the nutrients and vitamins needed to give babies the nutrition they need. Professional bodies recommend that babies be fed only breast milk or first infant formula for the first six months.
How long made-up first infant formula keeps
How long made-up first infant formula keeps depends on various factors, such as the temperature, how it is stored and how it is handled. In general, made-up first infant formula can be kept at room temperature for a few hours, but it is important to keep it in the fridge so that it stays good and safe. Keeping it in the fridge can extend how long it keeps.
Storage and handling
To make sure the made-up first infant formula stays fresh and safe, follow these tips:
- Keep the made-up first infant formula in the fridge at a temperature of 4-8°C.
- Use clean, sterile containers and equipment when handling the formula.
- Avoid warming the formula in the microwave, as this can heat it unevenly and may destroy nutrients.
The right temperature for baby milk
The right temperature for baby milk is between 37-40°C. To make sure the formula is at the right temperature, you can use a bottle warmer. The Cozidoo cordless bottle warmer Pro is a practical and safe device for bringing the formula to the right temperature.
Common mistakes
There are a few common mistakes parents make when storing and handling made-up first infant formula. These include:
- Not keeping the formula in the fridge.
- Warming the formula in the microwave.
- Not handling the formula cleanly and with sterile equipment.
I remember a family I looked after at my practice in Munich. They had not kept their made-up first infant formula in the fridge and were worried about whether the milk was still safe for their baby. After a conversation about storing and handling it properly, we were able to make sure together that the baby stayed healthy and happy.
Tips for when you are out and about
When you are out and about, you should make sure you keep the made-up first infant formula safe and fresh. A Cozidoo cordless bottle warmer Pro can help you bring the formula to the right temperature without needing a plug socket.
Why hygiene matters
Hygiene is an important part of storing and handling made-up first infant formula. To make sure the formula stays clean and sterile, follow these tips:
- Use clean, sterile containers and equipment.
- Wash your hands before and after handling the formula.
- Avoid keeping the formula in a dirty or contaminated environment.
The German National Breastfeeding Committee and the BfR
The German National Breastfeeding Committee and the BfR give parents important information and tips on storing and handling made-up first infant formula. You should follow these recommendations so that your babies stay healthy and happy.
In summary
How long made-up first infant formula keeps is an important point for parents who breastfeed their babies or feed them first infant formula. By following the right tips and recommendations, you can help keep your babies healthy and happy. The Cozidoo cordless bottle warmer Pro is a practical and safe device for bringing the formula to the right temperature.

Practical tips for when you are out and about
When you are out with your baby, it is important to keep the made-up first infant formula safe and fresh. A Cozidoo cordless bottle warmer Pro can help you bring the formula to the right temperature without needing a plug socket. It is also sensible to take a small cool bag or an insulated container with you to keep the formula cool. If you do not have a cool bag, you can also use a special insulating cloth to wrap around the bottle and protect it from heat.
The right packaging
It is important to keep the made-up first infant formula in a clean, sterile container. Use a special bottle label to mark the bottle and note the date it was made up. This helps you make sure you use the oldest milk first and that the milk does not get too old. When you are out and about, you should also take a few clean, sterile cloths or wipes with you to deal with any spills.
Safety first
Your baby's safety always comes first. When you are out and about, you should make sure you do not keep the made-up first infant formula in a dirty or contaminated environment. Avoid keeping the formula near chemicals or other harmful substances. If you are not sure whether the formula is still safe, it is better to throw it away and make up a fresh feed.
Common pitfalls
There are a few common pitfalls parents fall into when storing and handling made-up first infant formula. These include not keeping the formula in the fridge, warming the formula in the microwave, or not handling the formula cleanly and with sterile equipment. It is important to avoid these mistakes so that your babies stay healthy and happy.
Why hygiene matters
Hygiene is an important part of storing and handling made-up first infant formula. To make sure the formula stays clean and sterile, you should use clean, sterile containers and equipment. Wash your hands before and after handling the formula and avoid keeping the formula in a dirty or contaminated environment.
Cleaning properly
Cleaning bottles and teats properly matters in making sure the formula stays clean and sterile. Use warm water and a mild soap to clean the bottles and teats. Avoid using abrasive cleaners or chemicals, as these can damage the surface of the bottles and teats. After cleaning, rinse the bottles and teats thoroughly and sterilise them.
Cleaning & hygiene
Cleaning bottles, teats and other equipment and keeping them hygienic matters in making sure the formula stays clean and sterile. Use clean, sterile containers and equipment when handling the formula. Wash your hands before and after handling the formula and avoid keeping the formula in a dirty or contaminated environment.
Sterilising properly
Sterilising bottles and teats properly matters in making sure the formula stays clean and sterile. Use a steriliser or a microwave to sterilise the bottles and teats. After sterilising, rinse the bottles and teats thoroughly and dry them.
Why clean surfaces matter
The importance of clean surfaces cannot be stressed enough. Avoid keeping the formula on a dirty or contaminated surface. Wash every surface that comes into contact with the formula thoroughly with warm water and a mild soap. After cleaning, rinse the surfaces thoroughly and dry them.
Safety
Your baby's safety always comes first. When you handle the made-up first infant formula, you should make sure you do not keep it in a dirty or contaminated environment. Avoid keeping the formula near chemicals or other harmful substances. If you are not sure whether the formula is still safe, it is better to throw it away and make up a fresh feed.
Why temperature control matters
The importance of temperature control cannot be stressed enough. The formula should always be warmed to between 37-40°C. Use a bottle warmer to bring the formula to the right temperature. If you warm the formula in the microwave, you should make sure you do not warm it too much, as this can heat it unevenly and may destroy nutrients.
Storing it properly
Storing made-up first infant formula properly matters in making sure it stays fresh and safe. Use a clean, sterile container to keep the formula in. Keep the formula in the fridge at a temperature of 4-8°C. If you do not use the formula within 24 hours, you should put it in the freezer to make it keep longer.
Storage & shelf life
Storing made-up first infant formula and knowing how long it keeps matter in making sure it stays fresh and safe. Use a clean, sterile container to keep the formula in. Keep the formula in the fridge at a temperature of 4-8°C. If you do not use the formula within 24 hours, you should put it in the freezer to make it keep longer.
Labelling properly
Labelling made-up first infant formula properly matters in making sure you use the oldest milk first and that the milk does not get too old. Use a special bottle label to mark the bottle and note the date it was made up. This helps you make sure you use the oldest milk first and that the milk does not get too old.
Why regular checks matter
The importance of regular checks cannot be stressed enough. Check the formula regularly to see whether it is still good and safe. If you are not sure whether the formula is still safe, it is better to throw it away and make up a fresh feed. Checking regularly helps you keep your babies healthy and happy.

Frequently asked questions
Here are some frequently asked questions and answers about how long made-up first infant formula keeps:
| Question | Answer |
|---|---|
| How long does made-up first infant formula keep? | How long it keeps depends on how it is stored and handled. |
| How should I store made-up first infant formula? | In the fridge at a temperature of 4-8°C. |
| Can I warm the formula in the microwave? | No, as this can heat it unevenly and may destroy nutrients. |
| How can I bring the formula to the right temperature? | With a bottle warmer, such as the Cozidoo cordless bottle warmer Pro. |
| How important is hygiene when storing and handling made-up first infant formula? | Very important, in making sure the formula stays clean and sterile. |
| Where can I find more information about how long made-up first infant formula keeps? | From the German National Breastfeeding Committee and the BfR. |
This article is for information only and does not replace individual medical or midwifery advice.