Vitamin D News and Research

Latest Vitamin D News and Research

Integrated care needed for lifelong Polyendocrine Ovarian Syndrome management

Polycystic Ovary Syndrome, which has just been renamed Polyendocrine Ovarian Syndrome (PMOS), is the most common hormonal and metabolic disorder affecting women of reproductive age, impacting up to 13% of this population and contributing to nearly 40% of infertility cases worldwide.

18 May 2026

Olive waste extract may help lower fat and improve muscle markers

A polyphenol-rich olive oil byproduct may enhance muscle health, reducing fat mass and improving antioxidant markers in adults with metabolic risk factors.

18 May 2026

Can supplements slow Parkinson’s disease? Review reveals where the evidence stands

Dietary supplements are widely used by people with Parkinson’s disease, but this review finds that none have yet been proven to slow disease progression. Biotics, nicotinamide riboside, and omega-3 fatty acids combined with vitamin E show the most promise, but larger, longer, and better-designed trials are needed.

14 May 2026

Wearable sweat sensor tracks vitamin levels in real time

Researchers developed a wearable electrochemical patch that detects six vitamins in sweat at nanomolar levels, combining sweat induction, microfluidic sampling, wireless readout, and pH/ionic-strength calibration. Human testing focused mainly on vitamin B9, showing sweat levels rose after supplementation or a vitamin B9-rich diet and correlated with serum levels, supporting future use for non-invasive nutrition trend monitoring.

28 Apr 2026

Vitamin D may prevent diabetes in people with certain genes

More than two in five U.S. adults has prediabetes, a condition marked by higher-than-normal blood sugar levels that often leads to type 2 diabetes.

23 Apr 2026

AI chatbots give misleading health advice nearly half the time

Widespread inaccuracies in AI chatbot health responses pose public health risks, highlighting the urgent need for better oversight and cleaner training data.

21 Apr 2026

Can diet influence thyroid disease? A major review points to Mediterranean-style eating

This review found that thyroid health depends on more than iodine alone, with selenium, iron, zinc, vitamins, omega-3s, and overall eating patterns all shaping thyroid function and autoimmunity. It also concluded that Mediterranean-style diets are linked to more favorable thyroid outcomes, while unnecessary restrictive diets offer little benefit without a clear medical indication.

7 Apr 2026

Could vitamin D in midlife protect your brain from early Alzheimer’s?

Higher serum vitamin D in midlife is associated with reduced tau burden in the brain, highlighting its potential role in early dementia risk assessment.

7 Apr 2026

US scientists sequence 1,000 genomes from measles, a disease long eliminated with vaccines

This week, the Centers for Diseases Control and Prevention posted online its first large tranche of advanced genetic data from measles viruses spreading last year.

2 Apr 2026

Vitamin D levels in midlife tied to lower dementia risk marker

Having higher levels of vitamin D in the blood in middle age is associated with lower levels of tau protein in the brain, which is a sign of dementia, years later, according to a study published April 1, 2026, in Neurology Open Access, an official journal of the American Academy of Neurology.

1 Apr 2026

How vitamin D in the first 1,000 days may shape lifelong health

This narrative review argues that vitamin D is clearly important for skeletal health during the first 1,000 days of life and may also shape immune, metabolic, and selected neurodevelopmental pathways during early development. However, the authors stress that human evidence for most non-skeletal outcomes remains heterogeneous, with benefits appearing most consistent in populations with baseline deficiency.

31 Mar 2026

Planetary health diet meets key nutrient needs during early pregnancy

Following The Planetary Health Diet in pregnancy can meet key nutrient requirements, suggesting that women who eat more sustainably in pregnancy may have higher intakes of several key-pregnancy-related nutrients, including folate, iron, calcium, and dietary fiber.

31 Mar 2026

$Heart health linked to higher fracture risk in postmenopausal women$

Heart health linked to higher fracture risk in postmenopausal women

Postmenopausal women face a high risk of bone fractures. Due to declines in estrogen levels, which can lead to an increased risk of osteoporosis, even a low-impact fall can result in a serious hip, back or wrist injury.

27 Mar 2026

Experts establish standardized protocols for pediatric recurrent wheezing diagnosis

Recurrent wheezing, a respiratory disorder, is caused by the narrowing of the airways, mainly affecting children aged less than 5 years.

26 Mar 2026

Vitamin D may help shape how the immune system responds to gut bacteria in IBD patients

Vitamin D supplementation may help shape how the immune system responds to gut bacteria in people with inflammatory bowel disease (IBD), according to a Mayo Clinic–led study published in Cell Reports Medicine.

26 Mar 2026

New method uses biomarkers to determine a person's biological age

Aging is a highly individual process. An international consortium coordinated by researchers in Konstanz has developed a method that uses biomarkers to determine a person's biological age - a valuable tool for research on ageing and the development of new approaches in preventive medicine.

19 Mar 2026

High-dose vitamin D3 does not reduce COVID-19 severity, but may impact long COVID outcomes

In a large, randomized trial, researchers at Mass General Brigham have found that high-dose vitamin D3 did not reduce COVID-19 infection severity, but may impact long COVID outcomes.

12 Mar 2026

Why measles remains one of the most contagious viral diseases worldwide

This review synthesizes current evidence on measles virus biology, immune responses, complications, treatments, and prevention strategies. It highlights how measles can suppress immune memory, increasing susceptibility to other infections, and underscores vaccination as the most effective control measure.

4 Mar 2026

Experts identify safest and most effective diets for IBS management

This review in Nutrients evaluates the scientific evidence, clinical effectiveness, and safety of major dietary strategies for irritable bowel syndrome, including traditional advice, low-FODMAP, gluten-free, Mediterranean, and starch- and sucrose-reduced diets. It concludes that while the low-FODMAP diet has the strongest short-term evidence, no single approach fits all patients, and dietitian-led personalization is essential.

2 Mar 2026

Study reveals how meal skipping during teen pregnancy connects to mental health

A cross-sectional study of pregnant adolescents found that skipping meals, screen distraction during eating, and low dairy intake were associated with higher depressive symptom prevalence. Overall dietary diversity showed no significant relationship, and causality could not be established.

23 Feb 2026