Background Vitamin C (ascorbic acid) for preventing and treating the common cold has
been a subject of controversy for 70 years. Objectives To find out whether vitamin C reduces …

With the progressive elimination of dietary protein-energy deficits, deficiencies of
micronutrients are emerging as the limiting factors in ensuring children's optimal health …

Purpose Upper respiratory tract infection (URTI) is a common infection in children, generally
caused by viral respiratory infection. Vitamin C is currently proposed as prophylaxis for …

Background According to the Global Burden of Disease Study 2015, lower respiratory tract
infection is the leading cause of infectious disease death, and the fifth most common cause …

Since 1971, 21 placebo-controlled studies have been made to establish whether vitamin C
at a dosage of< 1 g/day affects the common cold. These studies have not found any …

Placebo-controlled trials have shown that vitamin C supplementation decreases the duration
and severity of common cold infections. However, the magnitude of the benefit has …

Aims: Numerous beneficial effects of vitamin C (ascorbic acid) supplementation have been
reported in the literature. However, data on its effects toward the gut microbiome are limited …

In 1971, Linus Pauling carried out a meta-analysis of four placebo-controlled trials and
concluded that it was highly unlikely that the decrease in the “integrated morbidity of the …

Early in this century several authors suggested that vitamin C intake may have beneficial
effects on the incidence and severity of various infections. Two exhaustive bibliographical …

Background Pneumonia is a major cause of death in children aged under five years. As
children with severe pneumonia have the highest risk of morbidity and mortality, previous …