Tag Archive for 'Vitamin D'

The study by Martineau et al provides the most robust evidence yet that vitamin D has benefits beyond bone and muscle health, and could have major implications for public health policy.

New Study Finds Genetic Key to Vitamin D’s Role in Diabetes Prevention

Apr 23, 2026 by News Staff

In a large clinical trial, Tufts University researcher Bess Dawson-Hughes and colleagues found that vitamin D supplements reduced diabetes risk only in...

Vitamin D3 may be effective in the treatment of hypertension and other cardiovascular diseases, including heart failure, myocardial infarction, vasculopathy, stroke and diabetes. Image credit: Aloísio Costa Latgé.

Higher Vitamin D in Midlife May Be Associated with Lower Levels of Alzheimer’s Biomarker Years Later

Apr 2, 2026 by News Staff

In new research, University of Galway’s Dr. Martin David Mulligan and his colleagues followed nearly 800 participants from the Framingham Heart Study...

Gubatan et al. demonstrate that vitamin D promotes immune tolerance to gut microbiota in patients with inflammatory bowel disease. Image credit: Gubatan et al., doi: 10.1016/j.xcrm.2026.102703.

Vitamin D Shows Promise in Resetting Immune System in Inflammatory Bowel Disease

Mar 26, 2026 by News Staff

New research suggests that vitamin D supplements can reshape how the immune system responds to gut bacteria in patients with inflammatory bowel disease,...

Thompson et al. investigated whether supplementing older adults with monthly doses of vitamin D alters the incidence of major cardiovascular events.

Study Finds Link between Low Vitamin D Levels and Increased Risk of COVID-19 Hospitalization

Jul 28, 2025 by News Staff

In a new analysis of data from the UK Biobank, vitamin D deficiency was associated with an increased risk of COVID-19 hospitalization but showed only a...

Consuming one gram of omega-3 per day may slow down the rate of biological ageing in humans. Image credit: Lqiuz.

Study: Omega-3 Supplementation May Slow Biological Aging

Feb 4, 2025 by News Staff

A new clinical trial involving over 700 older adults over a three-year period provides evidence supporting the geroprotective benefits of omega-3 supplementation...

Monthly Vitamin D May Prevent Heart Attacks in Older People, Study Shows

Jun 30, 2023 by News Staff

New research indicates that vitamin D supplementation might reduce the incidence of major cardiovascular events, particularly myocardial infarction and...

Low levels of vitamin D were associated with lower brain volumes and an increased risk of dementia and stroke. Image credit: Sci-News.com.

Study Shows Link between Vitamin D Deficiency and Brain Health

Jun 15, 2022 by Enrico de Lazaro

New research led by University of South Australia scientists supports a causal effect of vitamin D deficiency on brain health, notably for the risk of...

Effects of vitamin D supplementation did not differ from placebo. Image credit: Virat Maurya.

Vitamin D Does Not Have Beneficial Effects on Muscle Health, New Review Says

Aug 24, 2021 by Enrico de Lazaro

Vitamin D do not have a beneficial effect on muscle function, strength, or mass in non-athletes and may in some cases even have a negative effect, according...

The study sheds new light on the link between sleep deprivation and obesity. Image credit: Sweet Briar College.

Study: People Who Sleep Less Than Seven Hours Show Lower Intakes of Micro- and Macronutrients

Jun 10, 2019 by News Staff

In a new study, a team of researchers from Pharmavite LLC and Nutrition Impact LLC found that people who got fewer than seven hours of sleep per night...

Simplified pathway of vitamin D metabolism with a suggested approach to manage hypervitaminosis D. Key steps include the following: limit sun exposure; stop oral vitamin D supplements; use medications such as corticosteroids, ketoconazole and hydroxychloroquine to block 1α-hydroxylase activity; stop oral calcium supplements to reduce burden of hypercalcemia from hypervitaminosis D. Key enzymes involved in metabolism pathway are shown in green. Image credit: Auguste et al, doi: 10.1503/cmaj.180465 / Creativology / BSG Studio.

Taking Too Much Vitamin D Can Lead to Kidney Failure

Apr 9, 2019 by News Staff

Vitamin D — which exists in two forms: D2 (ergocalciferol) and D3 (cholecalciferol) — helps regulate the amount of calcium and phosphate in...

Newborns with vitamin D deficiency have an increased risk of schizophrenia later in life. Image credit: Kai Kalhh.

Study: Newborns with Vitamin D Deficiency Have Higher Risk of Later Schizophrenia

Dec 11, 2018 by News Staff

A study published in the December 6, 2018 issue of the journal Scientific Reports found newborns with vitamin D deficiency had a 44% increased risk of...

$Vitamin D supplementation does not prevent fractures or falls, or improve bone mineral density.$

Vitamin D Supplementation Does Not Improve Bone Health, Meta-Analysis Shows

Oct 9, 2018 by News Staff

According to a systematic meta-analysis published in The Lancet Diabetes & Endocrinology, vitamin D supplementation does not prevent fractures or falls,...

Kühn et al show that cocoa beans from different growing regions contain vitamin D2.

Cocoa and Chocolate are Rich Dietary Sources of Vitamin D2, Study Shows

Sep 28, 2018 by Natali Anderson

A study carried out by the Martin Luther University Halle-Wittenberg and the Max Rubner-Institut, Germany, shows that cocoa and cocoa-based foods contain...

In this study, higher Vitamin D concentration was associated with lower risk of total cancer; the findings support the hypothesis that Vitamin D has protective effects against cancers at many sites. Image credit: OpenStax College / CC BY 3.0.

Vitamin D May Help Protect Against Cancer: Study

Mar 13, 2018 by News Staff

High Vitamin D levels may be linked to a lower risk of developing cancer, according to a study of Japanese adults published in the journal BMJ. In this...

Magnesium is the fourth most abundant mineral in the human body after calcium, potassium, and sodium. Foods high in magnesium include almonds, bananas, beans, broccoli, brown rice, cashews, egg yolk, fish oil, flaxseed, green vegetables, milk, mushrooms, other nuts, oatmeal, pumpkin seeds, sesame seeds, soybeans, sunflower seeds, sweet corn, tofu, and whole grains. Image credit: U.S. Department of Agriculture.

Magnesium-Deficient Diet Makes Vitamin D Ineffective, Review Says

Mar 1, 2018 by News Staff

Vitamin D can’t be metabolized without sufficient magnesium levels, meaning Vitamin D remains stored and inactive for as many as 50% of Americans, according...

Vitamin D3 Could Help Prevent, Repair Cardiovascular System Damage

Feb 2, 2018 by News Staff

Cholecalciferol, also known as vitamin D3, can significantly restore the damage to the cardiovascular system caused by several diseases, including hypertension,...

Vitamin D Protects Against Colds and Flu, New Study Finds

Feb 16, 2017 by News Staff

Vitamin D supplementation can help protect against acute respiratory infections including colds and flu, particularly among very deficient individuals,...

According to Danmei Su et al., vitamin D improves gut flora. Image credit: Richard Stockton College of New Jersey.

Vitamin D Improves Gut Microbiota, Study Finds

Dec 22, 2016 by News Staff

According to a study published in the journal Frontiers in Physiology, extra vitamin D can restore good bacteria in the gut, giving hope in the fight against...

According to Hoel et al, the message of sun avoidance must be changed to acceptance of non-burning sun exposure sufficient to achieve serum 25(OH)D concentration of 30 ng/mL or higher in the sunny season and the general benefits of UV exposure beyond those of vitamin D. Image credit: Biedermann.

Study Says Avoiding the Sun is an Emerging Health Problem

Nov 20, 2016 by News Staff

Americans are increasingly at risk of insufficient sun exposure, according to a landmark study published this week in the Journal of Dermato-Endocrinology. According...

Mark et al demonstrate that vitamin D promotes protein homeostasis and slows aging in the nematode C. elegans. Image credit: Karla A. Mark et al.

Vitamin D Enhances Lifespan and Protein Homeostasis, New Study Shows

Oct 26, 2016 by News Staff

A new animal study published in the journal Cell Reports shows vitamin D engages longevity genes to increase lifespan and prevent the accumulation of toxic...