Vitamin D

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CRN survey: 80% of Americans are now using dietary supplements

By Stephen Daniells

Americans have turned to dietary supplements in record numbers over the past two years, with the numbers of users hitting new highs, and confidence in the effectiveness, safety and quality remaining impressively high, according to CRN’s 2021 Consumer...

Getty images / Hiroshi Watanabe

Study explores kidney-related benefits of vitamin D

By Danielle Masterson

The effect of vitamin D supplementation on kidney health is still unclear. A recent large-scale study in a population with prediabetes did not find marked differences between vitamin D and placebo groups, but a urine protein measure suggested a potential...

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Research review: UK needs five-fold Vitamin D increase

By Nikki Hancocks

Vitamin D supplementation should be increased to five-times what is currently recommended in the UK in order to support the population's immunity against respiratory tract infections, according to new research.

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Updated: CRN urges public health establishments to issue guidance on vitamin D supplement benefits

House Resolution aims to recognize vitamin D's benefits for COVID-19

By Stephen Daniells

US Representative Glenn Grothman (R-WI) has introduced a House Resolution to recognize the significant role vitamin D may play in the fight against COVID-19.

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Postmenopausal sun exposure may be harmful

By Danielle Masterson

At doctor visits, women are often asked to list their dietary supplements and medications. But what about the time they spend soaking up vitamin D?

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2020-2025 Dietary Guidelines support dietary supplement use

By Stephen Daniells

Folic acid supplements for mothers, vitamin D supplements for infants, and B12 supplements for older adults are just some of the recommendations in the 2020-2025 Dietary Guidelines for Americans, but there is barely any mention of omega-3s.

TLFurrer

Study links microbiome diversity to active vitamin D level

By Nikki Hancocks

The gut microbiome's diversity is strongly linked to levels of active vitamin D in older men, according to new research, suggesting that the body's ability to metabolise vitamin D may be more important than the amount stored.

NutraVideo: Zinc, vitamin D are key in COVID fight

NutraVideo: Zinc, vitamin D are key in COVID fight

By Danielle Masterson

The dietary supplement market has been flooded with new products, with an unprecedented demand in immune health. A recent Council for Responsible Nutrition (CRN)-IPSOS survey found that vitamin D usage jumped 37% and zinc grew 17% amid the pandemic.

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Preclinical mouse study highlights need for more vitamin D

By Danielle Masterson

Vitamin D is involved in many physiological functions that decline with age, and low levels of the substance contribute to frailty and increased risk for negative health outcomes. Conversely, frailty itself may contribute to lower vitamin D by reducing...

Getty | solarseven

COVID-19: Scientists raise the vitamin D alarm

By Nikki Hancocks

A group of researchers and doctors have formed an international alliance aiming to encourage governments to increase recommendations for vitamin D intake to 4,000 IU daily as they believe this would reduce COVID-19 hospitalisations.

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Vitamin D deficiency may boost risk of coronavirus infection

By Stephen Daniells

Scientists at the University of Chicago are calling for clinical trials to investigate if vitamin D may reduce COVID-19 incidence after their retrospective study found a link between deficiency of the sunshine vitamin and the likelihood of becoming infected...

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