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Omega-3 (EPA/DHA) vs Vitamin B3 (Niacin)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Omega-3 (EPA/DHA)
Vitamin B3 (Niacin)
Typical Dosage
1-2g combined EPA/DHA daily
14-16 mg daily
Best Form
Fish Oil (Triglyceride form)
Nicotinic acid (niacin)
Key Benefits
5
5
Evidence Rating
★★★★★
★★★★
Best Time
With meals containing fat
With meals to minimise flushing
Omega-3 (EPA/DHA) Benefits
✓Heart health — reduces triglycerides
✓Brain function and mental clarity
✓Anti-inflammatory effects
✓Joint health
✓May reduce depression symptoms (EPA specifically)
Vitamin B3 (Niacin) Benefits
✓Energy production and metabolism
✓DNA repair and cellular health
✓Cardiovascular health and cholesterol support
✓Brain function and cognitive support
✓Skin health and nervous system function
Can You Take Both Together?
In most cases, Omega-3 (EPA/DHA) and Vitamin B3 (Niacin) can be taken together safely. However, always check the interactions section of each supplement and consult a healthcare professional if you take medication.
Which Should You Choose?
Choose Omega-3 (EPA/DHA) if your primary goal is: heart health — reduces triglycerides. Choose Vitamin B3 (Niacin) if your primary goal is: energy production and metabolism. Many people take both as they target different aspects of health.
Disclaimer: This comparison is for educational purposes only. Always consult a healthcare professional before starting any supplement.