Nutrients for Children: Always Check With Your Paediatrician

You're standing in the drugstore in front of a shelf full of colourful children's vitamins, some shaped like little bears, thinking: "It can't hurt, right?" This is exactly the moment worth pausing for. Because with children, the most important and honest answer isn't a product recommendation but a principle: any supplement for children belongs in the hands of the paediatrician. Children aren't small adults – their needs, their tolerance and the risk of overdosing are different.

In short: for healthy children with a varied diet, needs are usually well covered. Individual nutrients such as vitamin D (in infancy and early childhood) or B12 (with a vegan diet) are known topics – but the paediatrician always decides the whether, what and how much. This guide provides orientation, not dosages.

The essentials at a glance

• Discuss any supplement for children with the paediatrician – no independent dosing without medical advice.
• A balanced, varied diet usually covers the needs of healthy children.
• Vitamin D is an established medical topic in infancy and early childhood.
• With certain diets (e.g. vegan), individual nutrients such as B12 need to be monitored by a doctor.
• Overdosing can become a problem faster in children – keep supplements out of reach.

The most important principle first

Why this restraint? A child's body reacts more sensitively, and the amounts appropriate for a child differ greatly from those for adults – and they change with every year of life. What's a harmless portion for you can be too much for a toddler, especially with fat-soluble vitamins that the body stores. That's why, without exception: whether, what and how much supplementation a child gets is decided by the paediatrician – ideally based on diet, development and, where relevant, blood test results. This guide doesn't replace that conversation, but prepares you for it.

Does a normal diet cover the need?

The good news: for healthy children with a varied diet, nutrient needs are usually well covered. Fruit, vegetables, whole grains, dairy products, legumes and – depending on the family – fish or meat provide what's needed. Blanket supplementation "just to be safe" usually isn't necessary for healthy children and can even carry unnecessary risks. What makes sense is a targeted look at where a gap is likely – and that's a judgement for the paediatrician to make.

Nutrients that come up in discussions about children

The following overview is purely informational – without quantities, because these are determined exclusively by a doctor:

Special situations

There are situations where a targeted look is especially important – always with medical supervision:

• Vegetarian or vegan diet: Here, B12, iron and iodine, among others, need to be monitored by a doctor. General background: Nutrients for Vegans (for adults – different standards apply for children).
• Picky eaters: If entire food groups are consistently avoided, it's worth talking to the paediatrician.
• Dark season: On the topic of vitamin D in general, see Dark Season, Light & Vitamin D – the paediatrician determines the child-appropriate approach.

A strong foundation: the family table

Before the question of supplements even comes up, it's worth looking at everyday life – because that's where most of it is decided. Children rarely eat in perfect portions, and that's completely normal. What counts is the picture over the week: colourful vegetables and fruit in different colours, whole grains instead of only white flour, legumes, dairy products and – depending on the family – fish or meat. A few relaxed habits help more than any capsule: eating together, repeatedly offering new foods without pressure (children often need many attempts before they like something), keeping sugary drinks to a minimum and making water the norm. This foundation is the real "supplement" for children.

Why less is often more

In adults, a mild overdose of some water-soluble vitamins is considered unproblematic, because the body excretes the surplus. In children, the matter is trickier – not just because of their smaller bodies, but especially with fat-soluble vitamins like A and D, which can be stored. That's why the reflex "more is safer" is simply wrong here. A targeted amount set by a doctor is always better than a well-meant extra portion. That's precisely why this guide deliberately avoids giving any dosage: that belongs with the paediatrician, who knows the child's age, weight, diet and, where relevant, blood test results.

How to prepare for the conversation with the doctor

To make the appointment with the paediatrician as useful as possible, a bit of preparation helps. Make a note of how your child eats (do they eat meat/fish? are any food groups avoided?), whether a particular diet applies (vegetarian, vegan) and whether you've noticed anything unusual. Ask specifically whether a nutrient should be monitored in your situation and whether a blood test makes sense. That turns a vague "Does my child need vitamins?" into a concrete, helpful conversation.

Safety comes first

One point that's often overlooked and yet crucial: supplements belong out of reach of children. Products that taste fruity or look like gummy bears in particular invite snacking – and then far too large an amount is quickly involved. Vitamin and mineral supplements aren't sweets. If you suspect accidental intake of a larger amount, the rule is: seek medical advice immediately or contact the poison control hotline.

What authorised claims mean for children's nutrients

For children too: nutrients fulfil documented functions for the body. Vitamin D, for example, contributes to the maintenance of normal bones and to normal function of the immune system, iron to normal blood formation and to normal cognitive development of children, and iodine to normal function of the thyroid. These function claims explain why these nutrients come up in discussions about children in the first place – but they're not a licence for unsupervised supplementation. Whether there's a need in an individual case remains a question for the doctor. The value of these claims lies in making the "why" understandable, not the "how much".

What research is investigating

The basic functions of nutrients for growth and development – such as iron for blood formation or vitamin D for bones – are well-established knowledge. What's being actively researched is how different diets affect children in the long term, and in which situations targeted supplementation actually makes a difference. That's exactly why individual medical assessment is so valuable: it replaces blanket assumptions with a look at the specific child.

Honestly assessed

What's established: children need nutrients for growth and development – best obtained through a balanced diet. It would not be credible to sell parents blanket supplements "for extra measure". Whether a child needs a supplement depends on the individual situation and needs to be assessed by a doctor. This guide provides orientation – the decision always rests with the paediatrician.

Related topics from Scheunengut

If you'd like general information about nutrients, you'll find the categories Vitamin D and Vitamins, Minerals & Trace Elements with us. Further guides include Nutrients for the Bones, Dark Season, Light & Vitamin D, Nutrients for Vegans, Can You Take Too Many Vitamins? and Lab-Tested – What Does That Mean?. All Scheunengut products are lab-tested and made in Germany. For children: please always talk to the paediatrician first.

Frequently asked questions (FAQ)

Do healthy children need additional vitamins?

For healthy children with a varied diet, needs are usually well covered, so blanket supplementation usually isn't necessary. Individual nutrients such as vitamin D in infancy and early childhood are established medical topics. Whether your child needs a supplement should always be assessed by the paediatrician.

Which nutrients are important for children on a vegan diet?

With a purely plant-based diet, vitamin B12, iron and iodine in particular need to be monitored by a doctor, and sometimes other nutrients too. A vegan diet for children should generally be medically supervised to ensure adequate supply. This guide does not replace that individual advice.

Are gummy-bear vitamins a good idea for children?

The problem with fruity-tasting or gummy-bear-shaped products is less the shape itself than the risk of confusion: children easily mistake them for sweets and can accidentally eat too many. Such products belong out of reach of children. Whether a supplement is needed at all is for the paediatrician to determine.

What should you do if a larger amount is accidentally taken?

If a child has accidentally taken a larger amount of a supplement, medical advice should be sought immediately or the poison control hotline contacted. Extra caution is needed especially with fat-soluble vitamins that the body stores. For this reason, always store supplements safely and out of reach.