Quality comparison
Not all omega-3 supplements are created equal
| Feature | Premium Grade | Standard Grade |
|---|---|---|
| EPA + DHA per serving | 2,000 mg | 300-600 mg |
| Third-party tested | ||
| Purity level | Triple refined | Basic |
| Heavy metal testing | ||
| Added antioxidants | ||
| Sustainable sourcing | Variable | |
| Natural taste | Citrus, no repeat | Often fishy |
| Cost per effective dose | $1.67/day | Varies widely |
Why purity matters
Fish can accumulate toxins from the ocean. Premium-grade supplements use smaller fish from clean waters and employ advanced purification to remove contaminants like mercury, PCBs, and dioxins.
Look for third-party certificates of analysis on every batch.Dosage matters
Many supplements contain only 300mg of combined EPA+DHA per capsule, requiring you to take 5-6 pills daily to reach clinically effective doses. Liquid forms often provide better value and easier dosing.
Check the EPA+DHA content, not just "fish oil" amount.