Feeding a Picky Eater: Can Growing-Up Milk Help, or Is It Just Marketing?

Growing-up milk has a reputation problem. There is a widely circulated view from paediatricians, parenting forums, and nutrition advocates alike that toddler formula is largely unnecessary and primarily a marketing exercise by formula companies. This can leave parents of picky eaters wondering: Is this actually helping my child, or is it something they don’t really need?

The honest answer is: it depends entirely on what your child is actually eating. This article looks at the evidence for when growing-up milk genuinely helps, when it may not be necessary, what to look for in a product, and how to use it effectively rather than as a substitute for the harder work of expanding a picky eater’s diet.

The Case Against Growing-Up Milk and Why It Is Partly Right

It is worth starting with the criticism, because some of it is valid.

For closely related guidance, read our article: What is the difference between infant formula and growing-up milk?.

For children who eat a varied, nutritionally complete diet — including protein sources, dairy, vegetables, and iron-rich foods — across multiple food groups consistently, a growing-up formula adds minimal nutritional value. If a toddler is eating well and growing normally, they can get the nutrients they need from food alone, so parents questioning the need for formula is understandable.

However, many toddlers are picky eaters and don’t consistently eat a balanced diet. In these cases, the concern isn’t whether growing-up milk is needed in theory, but whether the child may be missing important nutrients from their everyday diet.

Note: Before adding any nutritional supplement to your child’s routine, ask your paediatrician to assess their growth trajectory and, where appropriate, check key nutrient levels with a blood test. Knowing your child’s actual nutritional status — rather than guessing — is always the most useful starting point.

What Nutritional Gaps Do Picky Eaters Actually Have?

Understanding which specific nutrients are most at risk in picky eaters helps evaluate whether a growing-up formula would genuinely address the gaps.

Research consistently identifies the following as the most common deficiencies in selective-eating toddlers:

NutrientWhy Picky Eaters Miss ItConsequence of Deficiency
IronRefusal of red meat, dark poultry, legumes — the primary iron-rich foodsFatigue, reduced immunity, impaired cognitive development, and worsened appetite
ZincRefusal of meat, shellfish, and seeds — all commonly avoided by selective eatersReduced appetite, impaired taste perception, and slower growth
CalciumRefusal of dairy products or calcium-fortified foodsReduced bone mineralisation, long-term bone density impact
Vitamin DRarely present in adequate amounts in food alone; requires fortification or supplementationImpaired calcium absorption, weakened immunity, and bone softening
ProteinRefusal of meat, eggs, and legumes leaves protein intake below requirementsReduced lean tissue growth, impaired recovery from illness
DHA/Omega-3Refusal of oily fish — the primary dietary DHA sourceSuboptimal brain development support during the critical early years

A balanced growing-up milk can help fill some of these common nutritional gaps in picky eaters, especially when used alongside a varied diet. This is where it may be helpful for children with selective eating habits.

Some picky eaters may also go through stages of slower weight gain or limited food variety during important growth years. Parents need to learn healthy ways to support nutrition and weight without adding stress or pressure at mealtimes.

What the Evidence Says About Growing-Up Formula for Picky EatersGrowing-Up Milk for a Picky Eater Research on growing-up milk for picky eaters is still limited, but the findings are generally consistent:

  • Improved micronutrient status: Children consuming fortified toddler formula show better iron, zinc, and Vitamin D status than those relying solely on food, especially if they are selective eaters[1].
  • No negative effect on appetite or solid food intake when used correctly: Toddler formula offered after meals and within the recommended daily amount (around 400–500ml) does not suppress appetite for solid food[2].
  • Nutritional support may help provide more consistent nutrition during important growth years: Children with growth profiles below typical for their age who receive nutritionally complete formula support show better catch-up growth outcomes than those without supplementation[3].

The evidence does not support using formula as a replacement for solid food or as an indefinite solution to picky eating.
But for children who are not getting enough nutrients from their everyday diet, it can be a practical way to help fill nutritional gaps.

>> The psychology of picky eating and how Malaysian parents can manage it

How to Use Growing-Up Milk Effectively

The difference between growing-up milk helping and simply masking a picky eating problem lies entirely in how it is used. These are the principles that make it effective:

Offer Formula After Meals, Not Before or Instead Of

This is the single most important rule.
The formula offered before or instead of a meal replaces appetite for solid food — exactly what you do not want.
Formula offered after the meal, once the child has had the opportunity to eat solid food, provides nutritional coverage without competing with mealtime eating.

Keep It Within the Recommended Daily Amount

Most growing-up formulas recommend around 3 serves per day.
Exceeding this can suppress appetite for meals across the day, not just at the serve before the meal.
Stay within the guidance on the tin.

Do Not Use It to Avoid the Hard Work of Exposure

Growing-up formula can help fill nutritional gaps while you work on improving your child’s eating habits.
But it should support, not replace, the process of helping your child try to accept more foods.

Picky eaters still need regular, pressure-free exposure to a variety of foods over time.
Without this, picky eating can continue long term, and children may become too reliant on formula instead of learning to eat a balanced diet.

Use It Flexibly in Foods

For picky eaters who resist drinking formula straight, it can be incorporated into foods they already accept — blended into a smoothie, stirred into porridge, mixed into yoghurt.
This maintains the nutritional benefit without creating a new battle around formula acceptance.

What to Look for in a Growing-Up Milk for a Picky Eater

Not all growing-up formulas are equivalent.
For a picky eater specifically, these are the most important criteria:

  • Iron and Zinc at meaningful levels: These are the two deficiencies most directly linked to appetite suppression — a formula that is low in either is missing a key part of its value for picky eaters.
  • No added sugar: Sucrose, fructose, corn syrup, and maltodextrin add sweetness and calories without nutritional value.
    A formula that derives its carbohydrates primarily from lactose is nutritionally superior.
  • DHA from fish oil: Many picky eaters avoid oily fish entirely.
    DHA from fish oil is the most bioavailable form for children and supports brain development during the critical early childhood window.
  • Prebiotic fibre (GOS): Picky eaters often have restricted fibre intake from reduced vegetable and fruit variety.
    A formula with prebiotic GOS supports gut health and comfortable digestion.
  • Comprehensive nutrient profile: Look for 30+ nutrients rather than just the headline minerals.
    Picky eaters often have multiple simultaneous gaps — a narrow formula addresses some while leaving others.

Applying These Criteria: Little Étoile Optimum Growing-Up Formula Stage 4

For parents looking for a growing-up milk specifically designed for selective eaters and children with inconsistent food intake, Little Étoile Optimum Growing-Up Formula Stage 4includes several features aligned with the nutritional needs most commonly seen in picky eaters:

  • 41 key nutrients at reinforced levels — broad nutritional coverage for children with limited dietary variety
  • Iron and Zinc — nutrients commonly monitored in selective eaters due to their role in appetite, growth, and immune function
  • Calcium and Vitamin D3 — support healthy bone development during early childhood growth years
  • DHA from fish oil — supports brain and visual development in children who may not consume enough oily fish
  • Prebiotic GOS — supports gut health and comfortable digestion
  • High-quality Whey Protein from grass-fed Australian cows’ milk — complete amino acid profile for growing children
  • No added sugar — naturally mild vanilla flavour designed for daily consumption without excessive sweetness
  • Wellmune® Beta-Glucan — commonly included in nutritional formulations designed to support immune health
  • Can be used as a complementary nutritional option alongside meals during phases of selective eating

Little Étoile tip: For children who strongly resist milk textures or flavours, try introducing formula in familiar foods first, such as overnight oats, smoothies, mashed sweet potato, or yoghurt bowls, before offering it as a standalone drink. This reduces resistance while maintaining nutritional intake.

When Growing-Up Milk May Not Be Necessary

It is equally important to recognise when growing-up formula is probably unnecessary.

If a child:

  • Eats a wide variety of foods across all major food groups
  • Consumes adequate protein, dairy, fruits, vegetables, and iron-rich foods
  • Maintains consistent growth on their growth chart
  • Has no identified nutrient deficiencies

Then, a nutritionally balanced family diet is usually sufficient without additional formula support.

In these cases, the formula may still be convenient, but it is not nutritionally essential.

FAQs

My child eats reasonably well most of the time. Do they need growing-up formula?

If your child generally eats a balanced diet — including protein, dairy or calcium-rich foods, vegetables, and iron-rich foods — and is growing well, they may not need growing-up formula.

The growing-up formula is most helpful for toddlers who are picky eaters, regularly skip meals, or go through phases of eating very little, as it can help fill nutritional gaps and provide extra peace of mind for parents.

Can growing-up formula replace a multivitamin for a picky eater?

In most cases, yes — and it provides more. A multivitamin only provides vitamins and minerals, while a nutritionally complete growing-up formula also provides protein, healthy fats, and calories. This makes it a more complete nutritional support option for picky eaters who may not be getting enough nutrients or eating enough overall.

However, if a child has a specific nutrient deficiency confirmed by a doctor or blood test, they may still need targeted supplements alongside their regular nutrition plan.

How do I know if the formula is actually filling nutritional gaps?

  • The most objective way is a blood test checking iron (ferritin), zinc, and Vitamin D levels — asked for through your paediatrician. 
  • Growth chart tracking every 1–3 months provides a broader picture of nutritional adequacy over time. 
  • Observable changes in overall well-being, eating patterns, and daily routines can also help parents monitor progress.

My picky eater refuses to drink formula. What can I do?

Try blending it into an accepted smoothie, stirring it into porridge, or mixing it into yoghurt. The familiar texture and flavour of a preferred base food can help make the transition easier for some children. 

If the child consistently refuses all formula preparations, discuss with your paediatrician whether a different format of nutritional support may be more suitable for your child’s needs.

Suggested reading: How to Handle a Picky Eater Toddler?

Reference
  1. Hopkins, D., et al. (2007). Impact of introducing growing-up milk into the diets of young children in the UK. Journal of Human Nutrition and Dietetics.
  2. Crawley, H., & Westland, S. (2013). Infant milks in the UK: a practical guide for health professionals. London: First Steps Nutrition Trust. https://www.firststepsnutrition.org
  3. World Health Organization. (2021). Complementary feeding for infants and young children. https://www.who.int/publications/i/item/9789240018062

Disclaimer: Breast milk is the ideal nutrition for babies, and it’s crucial to seek professional advice before using infant formula. Introducing bottle feeding can impact breastfeeding, so consider carefully. Besides, good maternal nutrition is critical for breastfeeding, and reversing the decision not to breastfeed may be challenging. Infant formula should always be used according to instructions to ensure the infant’s health. Social and financial implications should be considered when determining a method of feeding.
This guide is for informational purposes only and should not be used to diagnose health conditions or make changes to medical treatments. Always consult with your healthcare professional for advice.

Leave a Reply

Your email address will not be published. Required fields are marked *