Skip to main content

Table 1 Suggested posology for the use of nutritional supplements in the prevention of COVID-19

From: Could nutritional supplements act as therapeutic adjuvants in COVID-19?

Nutritional supplement

Suggested posology

Vitamin D

400–1200 IU daily for 6–12 months

In patients with VD deficiency or insufficiency, consider higher doses

Lactoferrin

100–500 mg daily for 3–6 months

Consider doses up to 600 mg daily in adults and adolescents

Zinc

10–20 mg daily for 6–12 months

Consider the use of 30 mg daily during autumn and winter

  1. In absence of definitive data on the prevention of COVID-19, the posology ranges suggested in this table derive from the experience in the prevention of other viral infections