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How to choose the right formula
New Parent

How to choose the right formula

2 min read
Key takeaways
2 min
  • Consult your pediatrician for personalized formula recommendations rather than relying solely on packaging or websites.
  • Choose FDA-regulated, iron-fortified formulas that are unexpired, sealed, and appropriate for your baby's age group.
  • Switch to low-lactose or lactose-free options if your baby shows signs of digestive issues or lactose intolerance.
  • Select powder formula for budget-friendly feeding, liquid concentrate for convenience, or ready-to-feed for travel and accuracy.
  • Monitor your baby's weight gain and digestive tolerance, adjusting formula types as their system matures over time.

Choose FDA-regulated, iron-fortified baby formula after consulting your pediatrician. Look for unexpired, sealed products appropriate for your baby's age. Consider powder for affordability, liquid concentrate for convenience, or ready-to-feed for travel.

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The WHO recommends exclusive breastfeeding for babies under 6 months, but 75% of infants get formula for various reasons [1]. Even with lactation consultants, many moms still have questions about bottle-feeding [2]. Let’s find the best option for your little one!

Where can I get a formula recommendation?

Your pediatrician is the best person to ask. Sometimes, though, parents feel hesitant to bring it up and end up relying on baby food websites and packaging [2]. 

 What should I pay attention to on packages?

The US Food and Drug Administration (FDA) regulates commercial infant formulas to ensure they meet minimum nutritional and safety requirements. Most formulas sold in the US contain iron since iron-fortified formulas are recommended [3]. Also, make sure the formula is:

  • not expired

  • sealed and in good condition

  • not labeled for toddlers [4].

What should I do if the formula doesn’t work for my baby?

If your baby shows symptoms of digestive issues, their system might not be coping well with lactose. Consider finding a low-lactose or lactose-free formula. The goal is to find an amount of lactose that won’t cause problems. It’s a good idea to get a recommendation from your pediatrician [2, 5].

Are hydrolyzed formulas better than conventional ones?

Hydrolyzed formulas, with cow milk proteins broken into smaller pieces, are typically recommended for children at high risk of allergies. However, recent studies have not confirmed that they are truly "hypoallergenic" [6].

Is it necessary to switch formulas over time?

Sometimes a formula works well for a while, but then something changes—like your baby starts gaining weight too fast [2]. If this happens, you can switch formulas to prevent obesity.

If you’re using a lactose-free or low-lactose formula, you can try increasing the lactose content after 1-2 months. The older the baby, the better his digestive system works, and by three months, he will probably be able to digest formulas with more lactose [5].

Which type of formula is best: : powder, liquid, or ready-to-feed?

It depends on your preferences.

  • Powder Formula: the cheapest option and works for most babies. Mix one scoop of powder with 2 ounces of water.

  • Liquid Concentrate: just add water as directed and shake. Easier than powder but more expensive.

  • Ready-to-Feed Formula: no mixing needed. Most expensive but error-free. Generally the easiest option for traveling [7].

Photo: Anna Shvets / Pexels


Frequently asked questions

Iron-fortified cow's milk formula is recommended for most newborns. Always consult your pediatrician for personalized recommendations based on your baby's specific needs and any potential allergies or sensitivities.

Signs include excessive fussiness, digestive issues, unusual weight gain patterns, or symptoms of lactose intolerance. If you notice these issues, consult your pediatrician about switching to a different formula type.

All types are nutritionally equivalent when prepared correctly. Powder is most economical, liquid concentrate offers convenience, and ready-to-feed provides accuracy and portability but costs more.

Switch if your baby shows signs of intolerance, rapid weight gain, or digestive issues. You may also transition from lactose-free back to regular formula after 1-2 months as their digestive system matures.

No, hydrolyzed formulas are typically recommended only for babies at high risk of allergies. Recent studies question their effectiveness as truly hypoallergenic options for all infants.

Medical Disclaimer

This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or qualified health provider with any questions you may have regarding a medical condition.

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Medically reviewed content

Reviewed by healthcare professionals · Updated September 4, 2024

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