During early childhood, a child’s brain grows at an astonishing rate. In fact, around 90% of brain development occurs before the age of five, laying the foundation for learning, memory, attention, emotional regulation, and behavior later in life.
One nutrient that frequently comes up in conversations about child development is DHA (docosahexaenoic acid), an omega-3 fatty acid widely known for its role in brain and eye health. DHA is naturally found in breast milk and certain foods, and it is also added to many infant formulas and toddler milk products.
However, many parents are unsure:
- What exactly does DHA do?
- Is DHA truly necessary after infancy?
- Can children get enough DHA from food alone?
- Does toddler milk with DHA still have a role?
For closely related guidance, read our article: DHA and ARA During Infancy.
What is DHA?
DHA (docosahexaenoic acid) is a long-chain omega-3 fatty acid that is a major structural component of the brain, eyes, and nervous system. About 40% of the fatty acids in the brain and up to 60% in the retina are made up of DHA.
Because the body can only produce very small amounts of DHA on its own, children must obtain most of it from their diet.
>> Learn more about DHA, EPA & ARA – Essential fatty acids
Why is DHA important for children?
DHA supports several critical areas of child development, especially during the first years of life:
Brain development and function
DHA contributes to the formation of brain cell membranes, supporting learning, memory, and cognitive processing.
Vision and eye health
DHA is essential for retinal development and visual acuity, particularly in early childhood.
Nervous system development
Adequate DHA supports communication between nerve cells, which is important for coordination, focus, and emotional regulation.
Immune and inflammatory balance
Omega-3 fatty acids like DHA play a role in regulating inflammation and supporting immune health.
Is DHA only important for babies, or do toddlers need it too?
DHA remains important beyond infancy.
While the most rapid brain growth occurs in the first two years, the brain continues to develop throughout early childhood. Toddlers and young children are constantly learning new skills — language, problem-solving, social interaction, and DHA continues to support these processes.
Many children experience a drop in DHA intake after weaning, especially if they do not regularly consume fish or other DHA-rich foods. This is why DHA remains relevant during the toddler years.
What foods contain DHA?
Natural dietary sources of DHA include:
- Fatty fish (such as salmon, sardines, mackerel)
- Fish oil
- Algae-based DHA (plant-based source)
- Egg yolks
- DHA-fortified foods (such as certain milk products or cereals)
For toddlers who are picky eaters or do not consume fish regularly, meeting DHA needs through food alone can be challenging.
Can children get enough DHA from a normal diet?
Yes, if the diet is well-planned.
Children who regularly eat fatty fish (1–2 times per week), eggs, and a variety of whole foods may meet their DHA needs naturally. However, in real-world settings, many toddlers:
- Avoid fish due to taste or texture
- Eat limited varieties of food
- Go through phases of picky eating
In these cases, DHA-fortified products, such as certain toddler milks, can help complement, not replace, a balanced diet.
What should parents focus on when choosing DHA sources?
When supporting a child’s DHA intake, parents should look for:
- Age-appropriate formulations
- Clear labeling of DHA content
- Balanced nutrition, including protein, iron, calcium, and vitamins
- Products backed by scientific research and quality standards
The goal is not to chase a single nutrient, but to support overall healthy development.
