Brain structure
DHA is highly concentrated in brain cell membranes.
DHA in Food
Understanding docosahexaenoic acid, its relationship with omega-3 and the evidence behind published values.
Educational guide · Reviewed 26 July 2026What is DHA?
DHA — docosahexaenoic acid — is a long-chain omega-3 fatty acid and an important structural component of the brain and retina.
Microalgae→Fish→EPA+DHA
Marine food chain · direct dietary EPA + DHA
What it does for the body.
Vision
DHA is highly concentrated in the retina of the eye.
Direct from seafood
Fish and seafood provide DHA directly, while conversion from plant ALA is limited.
When to pay particular attention
Needs are not identical.
Age, life stage, activity and the rest of the diet can change what deserves attention.
- Pregnancy and breastfeeding, alongside local fish-safety advice
- People who rarely eat fish
- Anyone comparing EPA and DHA rather than total omega-3
Food first.
Oily fish and seafood are the principal food sources of preformed DHA. Algae are the original source of DHA in the marine food chain.
How do we measure it?
One value. Three useful views.
Per 100 g
A standard basis for comparing different foods and pack sizes.
Per serving
The quantity associated with a stated serving. Serving sizes can differ.
Per package
The calculated total when the entire package is the relevant amount.
We show where every number comes from.
Diplomats Product Nutrition
The value belongs to the exact product, recipe and measurement basis shown. We present it as the product’s number.
Reference Nutrition Data
A scientific food database provides a range for a comparable fish. We mark it with an asterisk and never present it as a laboratory result for the product.
Nutrition Knowledge
Primary health and food-science sources explain what a nutrient does, who should pay attention and how the number is used.
What is DHA?
DHA — docosahexaenoic acid — is a long-chain omega-3 fatty acid and an important structural component of the brain and retina.
Why does dha in food matter?
Brain structure: DHA is highly concentrated in brain cell membranes. Vision: DHA is highly concentrated in the retina of the eye. Direct from seafood: Fish and seafood provide DHA directly, while conversion from plant ALA is limited.
Can a value be assumed from the fish species?
No. Diplomats separates general food education from facts verified for a particular recipe, serving and product.
What does “per 100 g” mean?
It is a standard comparison basis. It lets visitors compare products of different pack and serving sizes using the same amount of food.
How are products recommended?
The Product Finder combines product nutrition, flavour, format and the preferences you select to find the closest match.
Primary health and food-safety sources used to review this guide.
Apply the knowledge.
Compare product nutrition on the same per 100 g basis and choose what suits your meal.
Compare product nutritionPut it on the table.
Explore serving ideas and practical meal contexts connected to Diplomats products.
Explore recipesSee the knowledge in practice.
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