Should be provided to all<unk> 
Vitamin C: 500mg TID( q24hrs daily in renal failure)
Folate: 1mg PO or IV daily (q24hrs)
Vitamin B12 multivitamin PO or IV
Severe anemia in Jehovah's Witness patients
Asplenic patient
Multisystem inflammatory syndrome in children
Bacteremia vs contaminated blood cultures
Healthcare occupational exposure to blood or other body fluids
Seizures in patients with HIV-AIDS
The obese patient
Urethritis in men