Head to head
Omega-3 (EPA/DHA fish oil) vs Vitamin K2 (MK-7)
On the strength of human evidence, Omega-3 (EPA/DHA fish oil) comes out ahead (evidence 60 vs 35). But they're often used for different things — read each claim before deciding.
Omega-3 (EPA/DHA fish oil)
Moderatestrong for one thing, oversold for the rest
Marketing intensity 75 of 100. Evidence strength 60 of 100. Verdict: Slightly overhyped.
Strong for lowering high triglycerides. The blanket 'everyone needs fish oil for their heart' is a much weaker claim.
Full evidence on Omega-3 (EPA/DHA fish oil) →Vitamin K2 (MK-7)
▲ Trendingthe calcium-traffic-cop, on surrogate evidence
Marketing intensity 70 of 100. Evidence strength 35 of 100. Verdict: Overhyped.
A plausible idea - help calcium land in bone, not arteries - with promising biomarker and imaging data. But hard clinical proof (fewer fractures, fewer heart attacks) isn't there yet.
Full evidence on Vitamin K2 (MK-7) →Side by side
| Metric | Omega-3 (EPA/DHA fish oil) | Vitamin K2 (MK-7) |
|---|---|---|
| Overall tier | Moderate | Limited |
| Evidence score | 60/100 | 35/100 |
| Hype score | 75/100 | 70/100 |
| Verdict | Slightly overhyped | Overhyped |
| Safety concern | low | low |
Quick answers
Omega-3 (EPA/DHA fish oil) or Vitamin K2 (MK-7) — which has better evidence?
On the strength of human evidence, Omega-3 (EPA/DHA fish oil) comes out ahead (evidence 60 vs 35). But they're often used for different things — read each claim before deciding.
Can you take Omega-3 (EPA/DHA fish oil) and Vitamin K2 (MK-7) together?
This page compares the evidence, not interactions. Some supplements interact with each other or with medications — check each one's safety section and talk to a pharmacist before stacking.