Vitamin D Deficiency News and Research

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Can saliva and tears replace blood tests for vitamin D and glucose?

Tears and saliva may offer new ways to monitor blood glucose and vitamin D levels, suggesting less invasive methods for managing chronic health conditions.

2 Sep 2025

Gut disorders forecast Alzheimer’s and Parkinson’s risk years before diagnosis

Study maps clinical, genetic, and proteomic links between gut-brain disorders and neurodegeneration, showing how diabetes, vitamin D deficiency, and bowel disorders forecast Alzheimer’s and Parkinson’s years in advance. Multimodal models in biobanks highlight early detection and personalized prevention opportunities.

28 Aug 2025

Majority of reproductive-aged women face modifiable risks linked to birth defects

An analysis using data from the National Health and Nutrition Examination Survey (NHANES) among 5,374 women of reproductive age indicates that two thirds of women within this demographic have at least one modifiable risk factor, such as low folate status or unmanaged diabetes, that can increase the chance of serious birth defects.

26 Aug 2025

Autism study shows vitamin D and iron deficiencies affect up to 40% of children

Researchers in Singapore found that 30–40% of children with autism spectrum disorder have vitamin D or iron deficiencies, regardless of eating habits. Age and ethnicity increased vitamin D risk, while picky eating was not a reliable predictor.

25 Aug 2025

Why zinc may be the missing nutrient in childhood asthma care

The role of zinc in childhood asthma is critical; deficiency may worsen symptoms, while supplementation could provide a safe, effective treatment alternative.

19 Aug 2025

High-dose vitamin D strengthens bones in very low birth weight infants

Research indicates that high-dose vitamin D improves bone health in very low birth weight preterm infants, highlighting its role in early development.

8 Aug 2025

New research unveils vast influence of B vitamins on health and disease

Eight essential nutrients make up the suite of B vitamins also known as the B complex. Researchers from Tufts University and elsewhere have revealed that these B vitamins influence a vast spectrum of human health and disease, including cognitive function, cardiovascular health, gastric bypass recovery, neural tube defects, and even cancer.

4 Aug 2025

Patients face vitamin deficiencies years after bariatric surgery

A review reveals dangerous vitamin deficiencies post-bariatric surgery, highlighting the need for improved follow-up to prevent life-threatening complications.

30 Jul 2025

Most UK high street self-tests fall short on accuracy and safety warnings

Many self-tests available on the UK high street are unfit-for-purpose and need much greater regulation to ensure they are safe and reliable, conclude two studies published by The BMJ today.

24 Jul 2025

Blocking a single gene disrupts vitamin D metabolism and cancer pathways in new cell study

Researchers identified SDR42E1 as a key regulator of vitamin D absorption and sterol metabolism in colorectal cancer cells. Disruption of this enzyme altered cancer-related pathways and cell viability, highlighting its potential as a therapeutic target.

21 Jul 2025

Study identifies SDR42E1's role in vitamin D pathway

Vitamin D is not only an essential nutrient, but also the precursor of the hormone calcitriol, indispensable for health: it regulates the uptake of phosphate and calcium necessary for bones by the intestines, as well as cell growth and the proper function of muscles, nerve cells, and the immune system.

18 Jul 2025

Research explores the link between lower micronutrient levels and chronic pain

Lower levels of certain vitamins and minerals were found to be associated with chronic pain in a recently completed study led by researchers at the University of Arizona Health Sciences and published in Pain Practice.

15 Jul 2025

Adults over 80 benefit from osteoporosis medications

People who are older than 80 should be considered for osteoporosis treatment after a fracture to avoid further risk, according to a study being presented Saturday at ENDO 2025, the Endocrine Society's annual meeting in San Francisco, Calif.

12 Jul 2025

Genes may determine how early life exposures shape the gut microbiome

Early nutritional and antibiotic exposures affect adult gut microbiota, with genetic background and parent-of-origin significantly influencing outcomes.

19 Jun 2025

Uncovering unexpected impacts of popular GLP-1 diabetes drugs

GLP-1 drugs show promise in diabetes management, offering heart and kidney benefits, but also highlight the need for vigilance regarding new health risks.

17 Jun 2025

Low-dose vitamin D supplements can increase effectiveness of chemotherapy in breast cancer patients

A study conducted at the Botucatu School of Medicine at São Paulo State University (FMB-UNESP) in Brazil has shown that low-dose vitamin D supplementation can increase the effectiveness of chemotherapy treatment in women with breast cancer.

13 Jun 2025

Is a vegan diet the right choice for your child?

A new scoping review analyzes current evidence on vegan diets in children, examining health outcomes, growth, and nutritional adequacy. The findings show that well-planned vegan diets can support normal growth, but highlight crucial gaps and the need for ongoing clinical and research guidance.

26 May 2025

Early vitamin D deficiency increases risk of ADHD, schizophrenia and autism

Newborn babies with a vitamin D deficiency have a higher chance of later developing mental disorders such as ADHD, schizophrenia and autism, a major study involving The University of Queensland has found.

14 May 2025

Low phosphate levels may help explain male infertility, study finds

Men with fertility problems were significantly more likely to have low blood phosphate levels, a mineral essential for energy and reproductive function. Researchers found lower phosphate was linked to poorer sperm motility, suggesting a possible pathway for new fertility treatments.

10 May 2025

Vitamin D curbs colorectal cancer by boosting immunity and blocking tumor growth

Review highlights how vitamin D, particularly its active form calcitriol, modulates immune responses, inflammation, and tumor progression to help prevent colorectal cancer (CRC). Evidence suggests adequate vitamin D levels and supplementation reduce CRC risk and improve outcomes.

21 Apr 2025