Metabolic Pathways of Proteins, Carbohydrates and Fats in Humans

The next time someone tells you that carbohydrates are essential for life, or that you’ll die if you don’t eat carbohydrates, point them to the metabolic pathways diagram and ask them to identify which metabolic needs go unmet without carbohydrate ingestion.

Diagram of metabolic pathways for fats, carbohydrates and proteins.

See a full-size image of the metabolic pathways. Click terms in the image for additional details.

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