Vitamin D Supplementation

Study: Vitamin D deficiency 'remains alarmingly high' in seniors

12-Jan-2024 By Olivia Haslam

The percentage of seniors admitted to the Department of Geriatrics with Vitamin D deficiency remains 'alarmingly high’, a new study concluded, with the authors calling for targeted interventions and enhanced education.

Vitamin D deficiency increases risk of preterm birth among Black women

28-Nov-2023 By Claudia Adrien

A 'sunshine vitamin' deficiency among pregnant Black women is a significant predictor of preterm birth (PTB), as compared to non-Hispanic white women, according to research which appeared in Nutrients.

Prenatal vitamin D may reduce child’s asthma risk: Harvard study

20-Nov-2023 By Stephen Daniells

High-dose vitamin D during pregnancy may significantly reduce asthma in the offspring at both age three and six, compared to a standard prenatal multivitamin with vitamin D, says a new study.

Study: Maternal vitamin D influences pubertal timing in boys

19-Sep-2023 By Olivia Haslam

A new population-based follow-up study has suggested mothers’ intake of vitamin D supplements might impact the age at which male children reach puberty milestones.

Intermittent vitamin D supplementation has similar efficacy to daily dose, findings suggest

31-Aug-2023 By Olivia Brown

A new meta-analysis observes that there was no statistically significant mean difference (MD) between total of 25-hydroxyvitamin D [25(OH)D] concentrations in intervention groups taking daily or weekly vitamin D supplements.

Vitamin D improves outcomes of hospitalised COVID-19 patients

02-Aug-2023 By Olivia Brown

A new study finds that supplementation with 25(OH) vitamin D in an Italian cohort of hospitalised COVID-19 patients that were deficient, resulted in a reduced length of hospital stay compared to those who were not supplemented.

Review: vitamin D may alleviate menstrual cramping

26-Jun-2023 By Olivia Brown

A new systematic review and meta-analysis of RCTs observes a significant reduction in women suffering with menstrual cramps following vitamin D supplementation.

Vit D and dementia study: experts question cause and effect

08-Mar-2023 By Olivia Haslam

Experts have responded to a new study claiming vitamin D may be a potential agent for dementia prevention, saying cause and effect is still unknown.

A century of the sunshine vitamin part II: Towards new benefits and dosages

14-Feb-2023 By Asia Sherman

A hundred years after the discovery of vitamin D as a cure for rickets, science is exploring new niches for the sunshine vitamin and zeroing in on the dosages for maximum health.

Study elucidates complex link between vitamin D and testosterone in obese men

20-Sep-2022 By Hank Schultz

Low vitamin D levels were strongly associated with low testosterone in only in the most morbidly obese younger men, a new study has found.

Vitamin D & Me moved the needle on connecting consumers with nutrition research

17-Aug-2022 By Hank Schultz

Connecting consumers with science was the basic idea behind the Vitamin D & Me project, which won this year’s Industry Initiative of the Year in NutraIngredient-USA’s annual awards.

Poor children much more likely to have low vitamin D, study finds

04-Aug-2022 By Hank Schultz

A new study has found a direct correlation between socioeconomic status and vitamin D status among Irish children.

$A recent study concluded that vitamin D played no role in reducing fracture risk in older adults. ©Getty Images - Fertnig$

CRN disputes wide ranging conclusions drawn from Vitamin D bone health analysis

29-Jul-2022 By Hank Schultz

The Council for Responsible Nutrition says Vitamin D remains an important bone health nutrient despite a recent null study that spurred an article in The New York Times.

Pandemic will boost vitamins C & D, zinc and ALA in 2021, retailer says

04-Dec-2020 By Hank Schultz

Supplement and organic foods retailer Natural Grocers said a continued emphasis on vitamin D, immune support and blood sugar management will lead industry trends in 2021.

News in brief

PLT achieves food additive status for mushroom vitamin D ingredient

17-Jul-2020 By Hank Schultz

PLT Health Solutions has received approval of a food additive petition on its mushroom-based vitamin D ingredient, the company announced this week.

Vitamin D story becomes ever more compelling, supplement brand founders say

12-Jun-2020 By Hank Schultz

Recent research on vitamin D has made an even more compelling case for the critical importance of the nutrient, the founders of a supplement brand say.

New JAMA Pediatrics meta-analysis supports vitamin D role in improving infant growth

31-May-2018 By Adi Menayang

Vitamin D supplementation may reduce the risk of infants being small for gestational age and improve growth during infancy, according to a meta-analysis published this week.

CRN joins NPA in disputing claim supplements fail to lower fracture risk

03-Jan-2018 By Will Chu

Research findings that claim the use of calcium and vitamin D supplements have no effect on fracture risk were dismissed by two industry groups, who both reiterate the nutrients’ safety and importance.

Vitamin D supplementation could aid recovery from serious burns

07-Nov-2017 By Nathan Gray

People with higher levels of vitamin D seem to recover from severe burns more successfully than those with lower levels, according to new data.

High-dose supplementation cuts vitamin D deficiency in severely premature babies

17-Aug-2017 By Tim Cutcliffe

Preterm infants given the highest daily doses of vitamin D3 saw significant reductions in deficiency prevalence, say researchers.

Vitamin D pills may boost quality of life for osteoarthritis patients: Study

28-Jul-2017 By Stephen Daniells

High-dose supplementation with vitamin D2 may improve pain scores and measures of “quality of life” in people with osteoarthritis, says a new study.

Vitamin D: Good for the heart or not?

11-Jul-2017 By Tim Cutcliffe

A controversy remains over the links between vitamin D and heart disease, according to a new review.

Vitamin D during pregnancy could reduce childhood asthma risk: Study

30-May-2017 By Emma Jane Cash

Increased vitamin D supplementation during the second and third trimesters of pregnancy has been shown to benefit the immune system of babies, resulting in decreased development of asthma.

Could vitamin D help pain management?

24-May-2017 By Nathan Gray

Vitamin D supplementation combined with good sleeping habits might help manage chronic pain, menstrual cramps and arthritis, new research suggests.

Vitamin D linked to cholesterol levels & cardiovascular risk

09-Feb-2017 By Stephen Daniells

Vitamin D deficiency may be associated with lower levels of HDL-cholesterol and higher ratio of total cholesterol to HDL, says a new study.

High-dose vitamin D supplementation helps slash risk of falls among elderly

05-Dec-2016 By Nathan Gray

A combination of low-frequency exercise and high-dose vitamin D supplementation could help reduce risk of falls in the elderly by more than 70%, a new trial suggests.

NOW supports prenatal vitamin D project as part of ongoing research commitment

07-Jul-2016 By Hank Schultz

A prenatal vitamin D project to be conducted in Montana demonstrates NOW Foods’ commitment to supporting ongoing research in the vitamin, the company says.

‘Little evidence’ of vitamin D helping inflammatory biomarkers in elderly

27-Jul-2015 By Annie Harrison-Dunn

Researchers have questioned the association between vitamin D and inflammatory biomarkers after a year-long trial revealed no impact on the levels of the immune system’s cytokine or adipokine.

Vitamin D during pregnancy may improve newborn outcomes: Meta-analysis

15-Apr-2015 By Stephen DANIELLS

Supplements of vitamin D during pregnancy may increase birth weight and length of newborns, says a new systematic review and meta-analysis of 13 randomized controlled trials.

Did the Institute of Medicine miscalculate the RDA for vitamin D?

04-Dec-2014 By Stephen Daniells

The RDA for vitamin D is based on a miscalculation and should actually be higher than the tolerable upper level for the nutrient, say academics.

EFSA backs vitamin D for reduced risk of falling in elderly

26-Nov-2014 By Anna Bonar

The European Food Safety Authority (EFSA) has delivered a positive opinion on vitamin D based on its ability to lower the risk of falling associated with muscle weakness and postural instability.

Vitamin D3 supplements may decrease triglyceride levels in at-risk women: RCT data

24-Oct-2014 By Stephen DANIELLS

A daily 4,000 IU dose of vitamin D may decrease triglyceride levels in post-menopausal women with an increased risk of heart disease, says a new study from Mexico.

Vitamin D3 can reduce atopic dermatitis in kids via 'innate immunity': Study

13-Oct-2014 By Lynda Searby

Vitamin D supplementation improves winter-related atopic dermatitis (AD) in children at risk of vitamin D deficiency and could provide a safe alternative to UV light treatment, according to a new study led by Boston researchers.

Vitamin D supplementation should start at birth, says new study

07-Aug-2014 By Stephen DANIELLS

Breastfed newborns should start receiving vitamin D supplements at the time of birth in order to help raise blood levels of the sunshine vitamin, says a new study.

Vitamin D supplements may ‘protect against cardiac failure in older people’, says study

29-Jul-2014 By Stephen DANIELLS

Daily supplements of the sunshine vitamin may reduce the risk of heart failure in older individuals by 20%-25%, says a new study.

BMJ: Vitamin D benefits unconfirmed – even bone density

04-Apr-2014 By Shane STARLING

Vitamin D’s health links including its ability to boost bone density are not backed in the scientific literature, the British Medical Journal has found after an extensive review of published studies on the nutrient.

New vitamin D trials have 'little chance' of showing health benefits, warns analysis

11-Feb-2014 By Nathan Gray

Randomised controlled trials on supplementation with vitamin D seem to show that the vitamin has little causal effect on our health outcomes, according to a new meta-analysis which suggests that future research is 'unlikely' to alter such conclusions.

Researchers unlock how vitamin D may benefit people with multiple sclerosis

13-Dec-2013 By Nathan Gray

Vitamin D may block damage-causing immune cells from migrating to the central nervous system, offering a potential explanation for why the so-called 'sunshine vitamin' may prevent or ease symptoms of multiple sclerosis (MS), according to new...

Large scale vitamin D study aims to explore diabetes link

23-Oct-2013 By Nathan Gray

A multiyear clinical trial backed by the US National Institute of Health (NIH) will examine whether vitamin D supplementation can help to prevent or delay the onset of diabetes.

Researchers question the 'optimal' vitamin D dose for infants

13-May-2013 By Nathan Gray

Dosage recommendations for vitamin D supplementation in infancy do not help to raise levels to those considered 'optimal' by many experts - but do still being levels up to the standards set by the IOM, say researchers.

Babies vitamin D status impacts immune system development: Study

11-Apr-2013 By Nathan Gray

The month a baby is born might have a significant impact on its vitamin D status and immune development, according to new data.

Vitamin D pills linked to better heart health for diabetics

06-Mar-2013 By Stephen DANIELLS

Supplements of vitamin D may improve cardiovascular health for diabetics, says a new study with implications for recommended doses in diabetics.

Vitamin D deficiency linked to diabetes risk

06-Feb-2013 By Nathan Gray

An increased intake of vitamin D during adolescence could help to reduce the risk of adult-onset type 1 diabetes levels may increase risk of Type 1 diabetes by half, say researchers.

Vitamin D may slow pre-cancer growths, find researchers

28-Nov-2012 By Nathan Gray

Vitamin D may help to battle cancers by blocking cell growth and slowing the progression of pre-malignant to malignant states, say researchers.

Vitamin D pills may boost muscle power for overweight people

04-Sep-2012 By Stephen Daniells

Supplementing a resistance training regime with daily doses of vitamin D may improve muscle power and help shed inches from the waistline of overweight and obese people, says a new study.

Vitamin D may decrease lung infection risk in children: Study

21-Aug-2012 By Nathan Gray

Supplementation with vitamin D has been shown to slash the risk of winter time respiratory infection by half, according to a new randomised trial.

$High-dose vitamin D backed for fractures: Meta-analysis$

High-dose vitamin D backed for fractures: Meta-analysis

09-Jul-2012 By Nathan Gray

The use of high-dose vitamin D supplements for the reduction of fractures in the elderly has been backed by a new analysis of clinical trials.

$According to the USPSTF, further research is needed to determine whether daily supplementation with low doses of vit D and calcium can reduce fracture incidence in postmenopausal women or older men$

CRN: USPSTF report does not change expert view re. calcium benefits

13-Jun-2012 By Elaine Watson

UPDATED - A new report suggesting there is not enough evidence to conclude that supplementation with calcium and vitamin D can help prevent cancer and osteoporotic fractures in adults "does a great disservice to Americans, especially postmenopausal...

Experts call for trials to demonstrate non-bone benefits of vitamin D

21-May-2012 By Nathan Gray

Large scale trials are needed to ‘definitively’ show that vitamin D can offer benefits across a wide range of health states other than bone disorders, according to experts at the Endocrine Society.