Andrew Huberman· PhD
The Omega-3 Index will be heavily biased by what you ate in the previous days. - No, that was plasma.
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The Omega-3 Index will be heavily biased by what you ate in the previous days. - No, that was plasma.
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The Omega-3 Index is actually in the red blood cells, and red blood cells take 120 days to turn over.
So there's been lots of work by Dr. Bill Harris and his collaborators looking at what it's called the omega-3 index. So this is actually the omega-3 level in red blood cells. So red blood cells turn over about every 120 days. So it's a it's a long-term marker of omega-3 status.
The omega-3 index is actually in the red blood cells. And red blood cells take 120 days to turn over. So, if you're going to do a baseline test, um, if you want to know before supplementing what your level is, you have to wait 120 days before doing the second test after supplementing to know how much you you went up because the that's how long it takes for your red blood cell to turn over.
it's the type of test where you get it maybe once a year and you make a change and you look and see hey am i taking enough of this supplement or am i eating enough fish and yeah you're about every four months it takes about four months after you make a change your mega three intake to see it a new steady state
Anytime you start an omega-3 supplement regimen It's a good idea to get an omega-3 index test ~120 days after Same goes for when you switch fish oil supplements Reason being... you want to know if what you're taking is working
He does a lot of work using the omega-3 index, which he co-developed, where they measure omega-3 and red blood cells. It's a long-term marker of omega-3 rather than, like, what you had the night before, you know
the omega-3 index this was identified by dr bill harris and his colleagues back in 2004 this is the omega-3 fatty acid level in a red blood cell membrane and it's it's a long-term marker of your omega-3 status compared to something like what 95 of people measure which is omega-3 in plasma phospholipids
You can measure your omega-3 levels. The way to do that would be an omega-3 index test. You want to measure your omega-3 levels in red blood cells. That's because red blood cells take about 120 days to turn over. So they're more of a long-term marker of omega-3 versus just your plasma phospholipid.
So, the omega-3 index is a marker of your omega-3 fatty acid levels in in blood cells. So, it's a long-term marker because your red blood cells take about 120 days to turn over.