Childhood allergy prevention
Does maternal omega-3 supplementation prevent allergies in children?
Some outcomes such as allergen sensitization have shown signals, but a Cochrane review found limited evidence for reducing allergic disease overall.
Updated September 24, 2026 · Editorial attribution: PV Griscom, M.Sc. · Independent clinical review pending
The question behind the headline
Maternal supplementation during pregnancy or lactation; childhood allergic disease and sensitization.
What the finding does—and doesn’t—tell us
A positive allergy test is not the same as symptomatic food allergy. Eczema, asthma and food allergy should not share one pooled verdict.
Read the underlying research.
Selected sources, not an exhaustive reference list. Research record or abstract screening only; full-text efficacy appraisal is pending. Source publication dates may precede this page’s update date.
Three questions to take forward
- Was the study population similar to the person or situation I have in mind?
- Did it measure an outcome people feel or experience, or only a laboratory marker?
- How do formulation, usual care, absolute benefit and adverse effects change the interpretation?
Study doses describe experiments; they are not personal dosing advice. Explore safety and limitations ↗