Αbstract Background Vegan diets, where animal-and all their by-products are excluded from
the diet, have gained popularity, especially in the last decade. However, the evaluation of …

Nutrition is essential for human growth, particularly in newborns and children. An optimal
growth needs a correct diet, in order to ensure an adequate intake of macronutrients and …

Coronavirus disease (COVID-19) is caused by the SARS-CoV-2 virus. In January 2020, the
World Health Organization declared COVID-19 as a Public Health Emergency of …

Abstract oxidative stress is caused by an abundant generation of reactive oxygen species,
associated to a diminished capacity of the endogenous systems of the organism to …

This comprehensive review establishes the role of vitamin B12 as adjunct therapy for viral
infections in the treatment and persistent symptoms of COVID-19, focusing on symptoms …

Background Vitamins' deficiency in humans is an important threat worldwide and requires
solutions. In the concept of natural biofactory for bioactive compounds production …

COVID-19 is a rapidly spreading disease, which has caught the world by surprise. Millions of
people suffer from illness, and the mortality rates are dramatically high. Currently, there is no …

Background There is conflicting evidence in the literature on the association between
(elevated) serum B12 concentrations and subsequent disease or mortality. We evaluated in …

The long-term use of proton pump inhibitors (PPIs) can lead to increased gastric pH,
hypochlorhydria and in some cases to achlorhydria when compared to other acid …

Since the beginning of the 21st century, interest in vegan diets has been rapidly increasing
in most countries. Misconceptions about vegan diets are widespread among the general …