Robuta

https://my.clevelandclinic.org/health/diseases/24115-methemoglobinemia Methemoglobinemia (MetHb): Symptoms, Causes & Treatment Methemoglobinemia (MetHb) is a rare blood disorder that affects hemoglobin. This is the protein that helps red blood cells deliver oxygen throughout your body. methemoglobinemiamethbsymptomscausestreatment