Homocysteine
An inflammatory amino acid, elevated levels of which can lead to vascular constriction and increased risk of cardiovascular disease. Its metabolism is regulated by methylation.
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Videos Mentioning Homocysteine

#24 – Tom Dayspring, M.D., FACP, FNLA – Part V of V: Lp(a), inflammation, oxLDL, remnants, and more
Peter Attia MD
An amino acid whose elevated levels are associated with greater disease risk, linked to ADMA/SDMA through impaired clearance and nitric oxide production.

Results from Peter's 3 week "nothingburger" (1 week keto—1 week fast—1 week keto) (AMA #2)
Peter Attia MD
A metric the speaker monitors, aiming for levels below 9. It increased after the ketogenic week but corrected after the fast.

#14 – Robert Lustig, M.D., M.S.L.: fructose, processed food, NAFLD, and changing the food system
Peter Attia MD
An amino acid that, when elevated, can inhibit nitric oxide synthase and contribute to cardiovascular issues.

Supplements for Longevity & Their Efficacy | Dr. Peter Attia
Andrew Huberman
Elevated levels are associated with negative vascular and kidney health outcomes, and can be lowered by methylfolate and methyl B12.

I Tested 100,000 People's DNA. This Diet Will Kill You - Gary Brecka
The Diary Of A CEO
An inflammatory amino acid, elevated levels of which can lead to vascular constriction and increased risk of cardiovascular disease. Its metabolism is regulated by methylation.

Fix Your Gut Health! The 4 Foods Fueling Inflammation & Disease! - Dr Will Cole
The Diary Of A CEO

Peptide & Hormone Therapies for Health, Performance & Longevity | Dr. Craig Koniver
Andrew Huberman
A lab marker used to assess cardiovascular risk. Elevated levels can be lowered by taking ample methylated B vitamins.