Dr. Tommy Wood

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1,133 appearances 1 recordings 1 series first heard Jul 2026 last heard 20 Jul

Dr. Tommy Wood’s voice in public audio — every appearance, attributed to the second.

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Huberman Lab · Accelerate Learning & Increase Cognitive Capacity | Dr. Tommy Wood · 20 Jul 2026 podcast

Most of this comes from rodent studies.

But what's interesting is if you supplement over several days, it all kind of comes out in the wash because the triglyceride form cycles through the adipose tissue as a depot, and then it gets released and the brain can then use it.

So if you're going to take just one day of supplement and you want to get as much of that omega-3 in your brain, yes, we think you should take the phospholipid form.

But the form that comes in seafood, which is primarily the triglyceride form, is regulated through the body's fat stores.

So this is a really long way of me telling you if you eat some fish early in the week, you don't then have to supplement later in the week as long as you've got kind of enough.

And especially if you've consistently eaten seafood across your entire life because you probably have a bit of a depot.

And so what you see in several trials where they've given omega-3s to decrease dementia risk or improve cognitive function,

So many studies like that have been done.

There was actually a very recent one that just came out of USC where they gave omega-3s for a long period of time.

They measured omega-3 levels in the CSF, right, in the spinal fluid of these people to show that the omega-3s were getting into the brain.

They didn't see any changes in terms of cognitive function or brain structure or an MRI scan.

So everybody's like, well, omega-3s don't work.

But when you kind of squint at the data, and they didn't quite give me the data that I wanted, but when you look at it,

The people in the trial just didn't seem that omega-3 deficient in the first place.

So if this isn't something that you need more of to start with, giving a load more of it isn't going to make that much of a difference.

And this is the case for all of these different supplements.

So the best advice, if you have access to it, is to test your levels.

Test your vitamin D levels.

Test your hemoglobin and iron levels.

Test your omega-3 levels.

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