All Supplements
Vitamin B3 (Niacin) vs Omega-3 (EPA/DHA)
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin B3 (Niacin)
Omega-3 (EPA/DHA)
Typical Dosage
14-16 mg daily
1-2g combined EPA/DHA daily
Best Form
Nicotinic acid (niacin)
Fish Oil (Triglyceride form)
Key Benefits
5
5
Evidence Rating
★★★★
★★★★★
Best Time
With meals to minimise flushing
With meals containing fat
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
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)
Can You Take Both Together?
In most cases, Vitamin B3 (Niacin) and Omega-3 (EPA/DHA) 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 Vitamin B3 (Niacin) if your primary goal is: energy production and metabolism. Choose Omega-3 (EPA/DHA) if your primary goal is: heart health — reduces triglycerides. 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.