- Ketogenic carbons only have 2C and don’t have enough to go through glycolysis
> Leu, Lys (lysine)

- Phe, Ile, Trp, Tyr are both ketogenic and glucogenic
> “Phil Is Tripping on Tires”

> Phenylalanine, Isoleucine, Tryptophan, Tyrosine

- Other 14 are glucogenic alone
- Some amino acids broken down into a >3C and a 2C, making them ketogenic and glucogenic


Michigan State University

- Once you break down these amino acids, you get a group of metabolites that are formed
- 7 Carbon skeleton metabolites: pyruvate, acetyl CoA, acetoacetyl CoA, alpha-ketoglutarate, succinyl CoA, Fumarate, Oxaloacetate
- Anabolic precursors
- Energy production
> Glucose

> Acetyl CoA

> TCA Cycle intermediates

- Liver likes to break down carbon skeletons
> We can use catabolism to yield energy

> Can be used as Anabolic precursors 

> Available for ketone body generation or made into glucose

> Some are ketogenic, glucogenic, or both (ketone bodies or glucose)


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