Blood orange

Like all citrus, blood oranges prompt your body to release stored histamine rather than delivering large amounts directly.

• Citrus as a liberator — citrus is consistently flagged across histamine intolerance resources as prompting the body to release its own stored histamine; the precise mechanism behind this effect is not fully established, but the observation is widely reported and reflected across major sensitivity lists

• Blood orange vs. regular orange — blood oranges are not consistently distinguished from standard oranges in major histamine intolerance references, and both are generally considered high; the distinctive color pigments have not been established as adding additional histamine-related concern

Among fruits, options like pears, apples, and mangoes are generally considered much easier to tolerate.