Succinic Acid Unit Converter

Succinic acid (also called succinate) is a small organic acid and a key intermediate in the citric acid cycle (also known as the Krebs or TCA cycle), the central energy-producing pathway in every cell.

Measuring succinic acid in the blood provides a window into how well your mitochondria are functioning. The enzyme succinate dehydrogenase (SDH, also called Complex II) converts succinate to fumarate, linking the TCA cycle directly to the electron transport chain for ATP production. When this step is impaired, succinate accumulates.

Plasma succinic acid is typically measured as part of a broader mitochondrial metabolites panel alongside other organic acids, rather than as a standalone test.

Succinic acid is produced in the mitochondria of virtually every cell as part of the TCA cycle. A significant additional source is the gut microbiota, where anaerobic bacteria generate succinate as a byproduct of fermentation.