Expert Are Your Kids Getting the Nutrients They Need to Grow?

If you are a parent, you know the reality. Some days your child eats like a rugby player. Other days they survive on air, crackers and half a banana. One week they love chicken, the next week chicken is “too chewy.” Vegetables may be negotiated like a peace treaty and somehow, beige foods, toast, pasta, chips, crackers, cereal, always seem to win.

The good news? Children do not need perfect plates to grow well. But they do need repeated exposure to the right “power nutrients”, the nutrients that quietly build bones, feed brains, support immunity, and help children arrive at school ready to learn, play and thrive.

I often explain to parents that nutrition is not about one magical superfood. It is about the pattern. One lunchbox, repeated five days a week, becomes a child’s weekly nutrient story. One picky phase, repeated over months, can slowly narrow the nutrients available for growth and development.

Let me introduce you to a very familiar child.

Meet “Emma”, a bright, busy five-year-old who loves dancing, stories and anything pink. She eats breakfast most mornings, but it is usually toast or cereal. Her lunchbox comes home with the yoghurt finished, the crackers gone, and the protein untouched. Supper is often a battle, so her parents stick to what is safe: pasta, rice, chips, bread, a little chicken, and fruit when she feels like it. Emma is growing; she is energetic and from the outside she looks absolutely fine.

But when we look a little closer, we see a pattern. Her diet is filling, but not always nutrient-dense. She is getting energy but may be missing some of the building blocks her body needs every day.

So, which nutrients matter most for strong bones and bright minds?

Calcium and vitamin D are the bone-building team. Calcium gives bones their structure, while vitamin D helps the body absorb and use calcium properly. Childhood is a golden window for building bone strength. Think of it like putting money into a bone bank. The more we deposit during childhood and adolescence, the better the foundation for later life. Calcium-rich foods include milk, yoghurt, cheese, fortified dairy alternatives, tinned fish with soft bones, tofu set with calcium, and some leafy greens. Vitamin D is trickier. It comes from sunlight exposure, eggs, oily fish and fortified foods, but many children still need supplementation depending on their risk, diet and lifestyle. This is something to discuss with your healthcare provider.

Iron is the oxygen-and-attention nutrient. Iron helps carry oxygen around the body and supports brain development, concentration and energy. Low iron can show up as tiredness, poor appetite, irritability, pale skin, restless sleep or reduced concentration. Good sources include red meat, chicken, fish, eggs, lentils, beans and iron-fortified cereals. A simple parent trick is to pair iron foods with vitamin C, for example mince with tomato, egg with fruit, or lentils with a squeeze of lemon, because vitamin C helps the body absorb iron better.

Omega-3 fats are brain-friendly fats. The brain is a beautifully fatty organ, and omega-3 fats, especially DHA, play an important role in brain and visual development. Oily fish such as salmon, sardines, pilchards and trout are wonderful sources. If your child does not eat fish, speak to your dietitian about practical alternatives. For some families, this may mean chia, flax or walnuts; for others, a child-appropriate supplement may be considered.

Zinc is the growth and repair nutrient. Zinc supports growth, appetite, wound healing, taste and immune function. Children with very limited protein variety may not get enough. You’ll find zinc in meat, chicken, seafood, eggs, dairy, beans, lentils, nuts and seeds. For picky eaters, start with tiny upgrades: add grated cheese to eggs, blend lentils into bolognese, use nut butter in smoothies, or offer biltong or meatballs if tolerated.

Iodine is a little nutrient with a big brain job. Iodine supports thyroid hormones, which are essential for growth and brain development. Sources include iodised salt, dairy, eggs, fish and seafood. Because many families are reducing salt, which can be appropriate, it is still worth checking whether the salt used at home is iodised.

Now, before any parent feels guilty, please hear this: nutrition is not about forcing, bribing or turning every meal into a performance review. Children are allowed to have preferences. Picky eating is common. Appetites change. Illness, teething, school stress and sensory sensitivities can all affect intake.

Our job is not to create perfect eaters. Our job is to create repeated opportunities.

Here are my favourite “small but powerful” parent strategies:

Build every meal around a protein anchor: egg, yoghurt, chicken, mince, fish, beans, lentils, cheese or nut butter if safe. Add one colour: fruit, cucumber, carrots, peas, butternut, berries or even a smoothie. Include a bone food daily: dairy or fortified alternative. And when the lunchbox is repetitive, ask: “What is one nutrient upgrade I can add without making this stressful?”

For Emma, we did not overhaul her entire diet. We added yoghurt with breakfast, changed crackers to a cheese-and-cracker combo, added mince sauce blended smooth into pasta, offered eggs in fun shapes, and introduced a small omega-3 plan. Nothing dramatic. Just steady deposits into her growth bank.

Strong bones and bright minds are built in the ordinary moments: the breakfast before school, the lunchbox packed in a rush, the smoothie after sport, the family meal where one pea is considered progress.

Food first, always. But not food perfect.

Because raising healthy children is not about chasing flawless meals. It is about nourishing the growing body, supporting the developing brain, and helping each child become strong enough to live, learn, play and shine.]