Missing Vitamin C

Vitamin A: a missing link in diabetes?

Vitamin A has a critical role in embryonic development, immunity and the visual cycle. In recent years, evidence has demonstrated that vitamin A can also regulate metabolic pathways implicated in the pathogenesis of obesity and diabetes. This has increased interest in the possible antiobesity and antidiabetic properties of natural and synthetic vitamin A derivatives. However, whether vitamin A ...

Vitamin C and COVID-19

  Corona disease has killed at least 5 million people globally since it started in Wuhan, China in December 2019 (World Health Organization, 2021). The disease is caused by SARS-COVID-19, and is transmitted from person to person by respiratory droplets (Baladia et al., 2020, Ejaz et al., 2020). Although the early symptoms of COVID-19  include fever, weariness, headache, sore throat, cough, d...

Vitamin C.

Vitamin C bioavailability.

The above brief review indicates that the bioavailability of vitamin C in humans is complex and that our current understanding of that process and factors that influence it are incomplete. It is important that an overall pharmacokinetic scheme be developed and tested to completely describe the complex dispositional and absorption processes of the vitamin. Such information will provide a better ...

Vitamin C and Cancer

Vitamin C or ascorbic acid has been proposed as an anticancer agent, as an intervention to reduce cancer incidence, and also as a medication to reduce cancer treatment-related side effects. While there has been significant basic science research that has evaluated the potential tumoricidal mechanisms of action, clinical studies have been underpowered, retrospective, or poorly designed. Current ...