Commercial baby formulas: how to choose the right one?

Postnatal, Your questions

During pregnancy, many parents wonder about their future baby’s diet. Whether you are considering exclusive breastfeeding, mixed feeding, or bottle feeding, one question often comes up: which milk should you choose for your child?

A vast and sometimes confusing choice

In Canada, more than 50 types of commercial infant formula (CIF) are available. The monthly cost can vary between $85 and $120 for a basic formula, and more for specialized versions, such as lactose-free, omega-enriched, thickened, or hydrolyzed formulas.

How to choose your baby’s milk?

The choice of formula must take into account your child’s medical history and specific needs. Before making any recommendations, a healthcare professional will consider several factors:

  • Full-term or premature birth
  • Presence of reflux, colic, constipation, or difficulty digesting
  • Reactions to breast milk
  • Family history of allergies or intolerances

Medical follow-up is therefore essential to guide this choice.

Formats of commercial formulas

There are three main formats of commercial formulas for babies. Each has advantages and precautions to be taken depending on the baby’s age, health, and family context.

1. Ready-to-serve milk

  • Advantages: ready to use, easy to use, already diluted and sterilized.
  • Instructions: open, pour into a bottle, heat.
  • Ideal for: at-risk newborns (premature, low birth weight, immune disorders), as it is the safest formula from a microbiological standpoint.
  • Disadvantage: higher cost—about twice as much as concentrated or powdered formulas.

2. Liquid concentrated formula

  • Preparation: requires mixing equal parts water and concentrate, according to the manufacturer’s instructions.
  • Precautions: Water must be boiled until the baby is 4 months old to eliminate any bacterial risk. Follow the proportions and storage instructions carefully to avoid contamination.
  • Advantages: more affordable than ready-to-serve formula and relatively easy to use if you follow the steps carefully.

3. Powdered formula

  • Preparation: requires more handling and precision.
  • Not recommended for: premature babies, babies with weakened immune systems, low birth weight, or specific health problems (e.g., heart disease), as powdered milk is not sterile.
  • Instructions: Strictly follow Health Canada’s recommendations on the preparation and handling of powdered formulas. Pay particular attention to the hygiene of your hands, surfaces, and equipment used.

The three main categories of baby formula

  1. Cow’s milk-based
    Standard formulas for healthy, full-term babies, which make up the majority of the market.
  2. Soy-based
    Lactose- and animal protein-free, used mainly in cases of galactosemia, proven lactose intolerance, or in a vegan diet, always under medical supervision.
  3. Therapeutic formulas
    Designed for premature babies, babies with allergies or severe intolerances, with partially or completely hydrolyzed proteins. Their use is strictly medical.

What about organic formulas?

Although these formulas are produced according to different standards, there is no evidence that they have a higher nutritional value than conventional formulas. The choice is therefore up to the parents, while following the manufacturer’s instructions.

Focus on cow’s milk-based formulas

The digestibility of these formulas depends on the ratio of casein to whey. Casein is slower to digest, while whey, which is the main component of breast milk, is better tolerated.

Some formulas offer a balance or partially hydrolyzed proteins to aid digestion in sensitive babies.

Despite the presence of ingredients such as omega-3s or probiotics, the overall quality remains comparable. It is best to avoid changing formulas without a medical reason.

Soy milk: a regulated option

Soy-based formulas are lactose-free, but should never be used without medical advice due to possible intolerances, nutritional risks, and the presence of phytoestrogens, whose long-term effects are still being studied.

They are sometimes recommended for galactosemia or for cultural, religious, or vegan reasons, under supervision.

Therapeutic formulas: tailored to specific needs

Therapeutic milks are designed for babies with digestive immaturity, significant intolerances, or severe allergies to conventional formulas.

Depending on the degree of protein breakdown, there are two main categories:

  • Partially hydrolyzed (e.g., Alimentum, Nutramigen): bovine proteins are broken down to approximately 50-60% free amino acids, which facilitates digestion.
  • Fully hydrolyzed (e.g., Puramino, Neocate): proteins are completely broken down into amino acids for optimal absorption, even in cases of severe allergies.

These formulas are low in lactose or completely lactose-free and are strictly indicated under medical prescription, particularly in cases of:

  • confirmed food allergies
  • specific digestive syndromes
  • or severe reactions to standard formulas

Be careful with self-diagnosis: these products are expensive and intended for a minority of babies. However, when medically prescribed, their cost may be fully reimbursed, provided that a form has been completed by the doctor.

Goat milk formulas

Still under review by Health Canada, goat milk-based infant formulas imported from Europe are beginning to appear on the Canadian market. Please note: raw goat milk is not suitable for babies. Only formulas specially designed to meet the nutritional needs of infants are safe.

Characteristics of goat milk formulas:

  • Fewer calories than cow milk formulas
  • Low natural vitamin D content, but enriched in commercial versions
  • Low folic acid content, which also requires enrichment
  • Low iron content, which must be monitored to prevent anemia in babies who are not yet eating solid foods
  • Naturally lacking in oligosaccharides and probiotics, which are important for the development of intestinal microbiota

Although some families report relief from colic, gas, reflux, or constipation with this type of formula, there is no guarantee of universal effectiveness. As always, it is best to consult a healthcare professional before making this choice.

Transitional formulas and types of milk after 6 months

Designed for babies aged 6 months and older, these formulas generally contain higher levels of iron and calcium to supplement the solid foods that babies begin eating at this age. Their use is optional, and continuing with stage 1 formulas is perfectly acceptable.

Transition to 3.25% milk

Between 9 and 12 months, if the child is healthy and well nourished, they can start drinking homogenized 3.25% milk. In case of intolerances or digestive problems, it is preferable to continue with commercial formulas until 1 year of age.

Pasteurized goat’s milk and plant-based drinks

Pasteurized goat’s milk can be introduced between 9 and 12 months, but offers no more benefits than cow’s milk.

Plant-based drinks are not recommended before the age of 2, as they do not provide sufficient nutritional value.

Thickened milks: use with caution

Formulas thickened with rice starch are sometimes recommended for babies suffering from gastroesophageal reflux. However, this type of milk is not the first option to consider when reflux is severe or accompanied by other digestive disorders.

In these cases:

  • A hydrolyzed formula, which is easier to digest, is recommended first.
  • After a few weeks, if symptoms persist or growth is affected, a doctor may suggest medication (antacid).
  • It is important to note that thickened milks can interfere with the action of antacid medications and are therefore generally contraindicated during treatment.

Strict regulations for peace of mind

All formulas sold in Canada must comply with the Food and Drug Regulations, which guarantee an adequate intake of:

  • Protein: whey, casein, soy protein, or amino acids
  • Carbohydrates: lactose, corn syrup, sucrose
  • Lipids: vegetable oils such as sunflower or soybean, as well as DHA and ARA
  • Vitamins and minerals: essential for baby’s growth

Even though all formulas meet these standards, it is important to keep in mind that each baby may react differently, as their digestive system is still maturing.

Please note that private label brands are not subject to the same level of inspection as major recognized brands. This does not call into question their quality, but it is advisable to be well informed before choosing them.

Pediatric recommendations

The Canadian Paediatric Society recommends the use of iron-fortified formulas (at least 1 mg per 100 calories) from birth until one year of age. This mineral is essential for preventing anemia and supporting brain and immune development.

In addition, a vitamin D supplement is recommended for all babies, whether they are breastfed or not. This is because the natural production of vitamin D by babies’ skin is limited in Canada, particularly due to sun protection.

Aluminum in formulas

Some parents are concerned about the presence of aluminum in formulas. However, studies show that the amounts detected remain below the limits recommended by the World Health Organization. It should be noted that soy-based formulas generally contain slightly more aluminum than cow’s milk-based formulas.

About probiotics in formulas

There is not yet sufficient evidence to recommend their systematic use. However, some at-risk babies may benefit from them, particularly in terms of improving protein tolerance and reducing eczema.

Preparing a bottle of commercial milk: steps and precautions

Preparing a bottle of commercial milk requires care and hygiene, especially during the first few months of a baby’s life. Here are the steps to follow:

Steps for safe preparation:

  1. Clean the commercial formula container before opening it (dust, dirt, etc.).
  2. Use sterilized bottles and nipples until the baby is 4 months old.
  3. Boil the water for 2 to 5 minutes, then let it cool for about 30 minutes so that it is lukewarm or at room temperature (not hot).
  4. Mix the formula (powder or concentrate) according to the manufacturer’s instructions.
  5. Refrigerate immediately after preparation if the bottle is not consumed within an hour.

What water should be used to prepare bottles?

Until the age of 4 months, the water used to reconstitute milk (whether bottled, filtered, or tap water) must be boiled for one minute. The only exception is sterilized bottled water specifically sold for babies, which has already been boiled—but it is often more expensive and sometimes difficult to find.

Summary

All commercial infant formulas sold in Canada are safe and suitable, but every baby is unique. Don’t hesitate to consult a health professional for guidance on this important choice.

Useful tools:

Related posts:

Related videos:

Marie Fortier
Baby expert

Reviewed by: Kristina Bischoff, nutritionist, April 2024.

Article updated: April 2024.

References :

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