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Omega-3, D3 and K2: A Powerful Trio for Lifelong Health
Omega-3, vitamin D3 and vitamin K2 are three of the few supplements with decades of cardiovascular and skeletal research behind them. Together they work better than any of them alone.
Dr. Laura Bianchi, MD
Cardiologist & Preventive Medicine · 5 min read
Omega-3: EPA and DHA where it counts
EPA supports a healthy inflammatory response and triglyceride levels; DHA is structural in the brain and retina. Most women eating a Western diet get a fraction of the amounts used in trials.
Look for a stated EPA/DHA content rather than total fish oil, plus third-party purity testing.
Why D3 needs K2
Vitamin D3 improves calcium absorption. Vitamin K2 directs that calcium into bone rather than soft tissue. Taking D3 alone leaves the second half of the job undone.
This pairing matters most for women around and after menopause, when bone turnover accelerates.
Building the habit
All three are fat-soluble, so take them with your largest meal of the day. Benefits accumulate over months, not days.
Key takeaways
- Choose omega-3 by EPA/DHA content, not total oil
- D3 and K2 belong together for bone health
- Take with a meal containing fat, consistently
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