Fatty Acid
DHA (Docosahexaenoic Acid)
Also known as: Docosahexaenoic acid, DHA omega-3, Docosahexaenoic
A
Evidence
A long-chain omega-3 fatty acid critical for brain structure and function. DHA is the predominant structural fatty acid in the brain and retina.
Primary uses
- Brain health
- Cognitive function
- Eye health
- Fetal development
How it works
- Structural component of brain cell membranes
- Comprises 40% of polyunsaturated fatty acids in brain
- Essential for retinal function
- Supports neuroplasticity and neurotransmission
Dosage
- Typical range
- 250-1000 mg daily
- Timing
- With fat-containing meal
- With food
- Yes
- Duration
- Long-term supplementation recommended
- Special populations
- Pregnant women, infants need adequate DHA
Forms
- Fish oil
- Algal oil
- Triglyceride form
Safety
Common side effects
- Fishy burps
- GI upset
Contraindications
- Fish allergy for fish-derived
Evidence notes
Essential for brain and eye health with extensive research
Grade A: Multiple well-designed human trials support the main claims.
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