Other Factors to Consider Underlying Health Conditions: Conditions like diabetes, heart disease, and obesity can cause ED independently of medication
Here is the catch worth knowing
A physician investigating unexplained hypercobalaminemia will typically order some combination of the following: Complete blood count (CBC) with differential to check for abnormal red blood cell, white blood cell, or platelet counts Liver function tests (ALT, AST, ALP, bilirubin, albumin) to assess liver health Kidney function tests (creatinine, BUN, estimated GFR) to evaluate renal clearance Peripheral blood smear if a myeloproliferative disorder is suspected Abdominal imaging (ultrasound or CT) if liver or abdominal pathology is a concern Cancer-specific markers or screenings if clinical suspicion warrants them The NIH Office of Dietary Supplements fact sheet notes that observational data from a Danish registry analysis of 757,185 people found the adjusted 1-year cancer risk was 1.74 to 4.72 times higher among those with B12 above 813 pg/mL compared to those in the normal range of 203 to 813 pg/mL

This phenomenon, known as reperfusion injury, involves the oxidation of cellular components, mitochondrial dysfunction, and the activation of inflammatory pathways [91, 92]
Dental devices and surgical procedures to open the airway may be beneficial in some people with sleep apnea
Avoid rapid thawing at high temperatures