17/06/2026
Coconut oil for Cognitive Enhancement:
COCONUT OIL may be one of the most powerful foods for reversing cognitive decline.
One doctor documented how just 5 spoonfuls a day helped her husband regain function he had lost months earlier.
Here's why it works (and how to start using it at home):
Over 55 million people around the world are living with Alzheimer’s or other forms of dementia.
These conditions were once framed mostly as brain aging and damage, visible as plaques and tangles, but a new paradigm is uncovering an upstream driver and an unlikely supplement that could help. 🧵
One emerging hallmark of dementia is impaired brain glucose metabolism. For some, without sufficient glucose-derived energy, brain function falters and other hallmarks like plaques, tangles, and atrophy can follow.
This same pattern, the brain struggling to use glucose efficiently, is what we are seeing in serious psychiatric conditions like bipolar disorder, schizophrenia, and depression.
This crossover is not a coincidence. Research suggests metabolic dysfunction in the brain may be an upstream driver of both neurodegenerative and psychiatric conditions, which is why the brain energy theory at the heart of metabolic psychiatry extends well beyond mental health alone.
This raises the question, what other options do we have for fueling the brain?
It’s well established that ketones can fuel a significant portion of the brain’s energy needs.
Dr. Stephen Cunnane's research has shown that while the brains of older adults living with dementia or mild cognitive impairment struggle to take up and use glucose, they appear to handle ketones well.
In fact, the more ketones present in the blood, the more the brain appears to use.
Ketones can be provided to the brain through several mechanisms, such as:
→ Fasting
→ Ketogenic Diet
→ MCT Fats & Ketone Boosting Supplements
Interestingly, much of the evidence on ketones and dementia comes from studies using coconut oil or MCT oil.
In 2008, Dr. Mary Newport began giving coconut oil to her husband, who had dementia, and documented repeated improvements in his cognitive function and daily activities.
She later compiled over 200 similar reports from families who observed the same. It was not a controlled trial, but it was a compelling observation that set off years of further inquiry.
Coconut oil's unique medium-chain fats appear to be the key.
Coconut oil is among the most natural ketogenic fats because it contains medium-chain fatty acids (MCTs) C6, C8, and C10
These fats are processed directly by the liver and converted into ketones which can then be taken up by the brain.
Early studies, not yet randomized controlled trials, suggest modest cognitive benefits from raising blood ketone levels through MCT-based interventions in Alzheimer's dementia.
Broader adoption of ketone-generating interventions has been slowed, in part, by concerns about LDL cholesterol.
But what does the evidence actually show?
Dr. Mary Newport reviewed 26 coconut oil trials and found consistent increases in HDL, decreases in triglycerides, and a very inconsistent impact on LDL.
https://www.mdpi.com/2072-6643/17/3/514
It’s important to point out that coconut and MCT oil are not cures for Alzheimer’s.
But they may be able to help, and in the context of limited effective options and generally low risk, coconut or MCT oil may be worth consideration.
The data is early but there is a signal here that increasing ketone availability to the brain’s of individuals living with dementia is worth further exploration
Credit to
Coconut oil (CNO) is often characterized as an “artery-clogging fat” because it is a predominantly saturated fat that ostensibly raises total cholesterol (TChol) and LDL cholesterol (LDL-C). Whereas previous analyses assessed CNO based on the relative effects on lipid parameters against other fa...