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Nattopharma builds case for RDI for vitamin K2

By Hank Schultz

Norwegian supplier Nattopharma is helping to build a suite of scientific evidence on the broad cardiovascular health effects of Vitamin K2 that the company hopes will support an official recommendation on intakes of the substance.

© Getty Images / Dr_Microbe

Guest article

The irrationality of probiotic dissension

“The Probiotic Conundrum”, an article published last month in JAMA, has received a lot of criticism from experts in the field. Professor Gregor Reid, PhD, MBA, penned a counterpoint to the article and submitted it to JAMA. The journal rejected his submission....

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Dietitian's view: Vitamin C and immunity

By Nikki Hancocks

Vitamin C supplements are flying off the shelves but is there any truth in claims that this could help in the fight against COVID-19 and other respiratory viruses? Independent dietitian Carrie Ruxton explains all.

© Getty Images / nevarpp

Systematic review supports lutein for cognitive health benefits

By Stephen Daniells

Long term consumption of lutein can improve cognitive functions, according to a systematic review of randomized controlled trials, but the potential benefits of astaxanthin are less clear, concluded the scientific authors.

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