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Vitamin B12 is abundant in diets that include meat and dairy products, although deficiency can occur in those with malabsorption syndromes (2) or those who take medications for gastric disorders (3) (4) , for conditions associated with insulin resistance (5) , or in those who follow a strict vegetarian diet (6)
The clinical spectrum of disease caused by these virus ranges from asymptomatic infection to severe disease, characterized by pneumonia, dyspnea, and febrile illness, progressing in severe cases into acute respiratory distress, sepsis, and death from multiple organ failure [6]
if a patient is on blood pressure-lowering drugs (such as beta blockers, alpha-1 blockers, or vasodilators), niacinamide injections could lead to an additive drop in blood pressure
2021;4(7):e2117573
A typical loading dose is 1,000 mcg (1 mg) administered intramuscularly several times per week (such as every other day or 3 times per week) for a couple of weeks
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