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Vitamin D

All articles tagged with #vitamin d

health3 days ago•5 min saved

Calcium Is Key for Strong Bones, Magnesium Keeps It Working

Calcium is the primary mineral for bone density and remodeling, while magnesium supports bone structure and helps activate vitamin D to aid calcium absorption; together they optimize bone health, with calcium being the more important contributor to bone density. Supplements can have side effects and interactions—calcium may cause GI symptoms and stones, magnesium can cause GI upset and, at high doses, more serious issues—so dosing should be guided by a physician, and dietary sources are preferred.

via Prevention|

#bone-health #calcium #health

health5 days ago•5 min saved

Beyond Sunshine: A Dietitian’s Take on Daily Vitamin D and When It Truly Helps

A dietitian explains why she takes a daily vitamin D to maintain sufficient levels, noting that benefits are greatest when correcting a deficiency rather than adding to already sufficient levels. Evidence suggests adequate vitamin D supports bone health, immune function, and respiratory health, and may lower all-cause mortality risk in deficient individuals. Those with sufficient levels may not notice daily improvements, and excessive dosing can lead to hypercalcemia, so vitamin D supplementation should be guided by medical advice.

via Prevention|

#health #immune-system #nutrition

health-and-medicine8 days ago•5 min saved

D2 Vitamin Supplements May Undercut the Body’s Potent D3, New Analysis Suggests

A meta-analysis and related studies flag that vitamin D2 supplements can lower circulating vitamin D3, the more effective form, while vitamin D3 appears to better support immune function. The findings prompt consideration that D3 could be the preferred supplement for most people, though individual needs and further research remain important.

via ScienceDaily|

#health-and-medicine #immune-system #supplementation

$Calcium and vitamin D supplements offer little fracture protection, review finds$

health8 days ago•5 min saved

Calcium and vitamin D supplements offer little fracture protection, review finds

A BMJ meta-analysis of 69 randomized trials involving about 154,000 mostly older adults found that calcium, vitamin D, or their combination provide little to no reduction in fractures or falls, with any absolute benefit not clinically meaningful. The findings do not support routine supplementation for the general population, though results may differ for people with osteoporosis or high fracture risk who should follow established treatments and guidelines.

via Pulse Today|

#bone-health #calcium #fractures

health8 days ago•3 min saved

Genetics May Reveal Who Benefits From Vitamin D to Prevent Diabetes

A genetic-subgroup analysis of the D2d trial found high-dose vitamin D (4,000 IU/day) lowered progression to type 2 diabetes only for adults with AC or CC variants of the vitamin D receptor gene; those with the AA variant did not benefit. Of 2,098 participants with genetic data, about 30% had AA. This suggests a path toward personalized prevention for the roughly 115 million Americans with prediabetes, but healthcare guidance remains to avoid high-dose vitamin D without medical advice due to safety concerns and the need for more research.

via SciTechDaily|

#diabetes-risk #genetics #health

health19 days ago•6 min saved

Sunshine on Your Plate: 5 Vitamin D–Rich Foods to Add to Your Diet

Vitamin D is essential for bones, immunity, and overall health, yet many people don’t get enough. Adults should aim for about 600 IU daily (400 IU for infants, 800 IU for those over 70). While sun exposure helps, diet matters too: fatty fish like salmon and trout, eggs, fortified dairy and plant milks, UV-exposed mushrooms, and fortified cereals are key sources, with practical recipe ideas to boost intake.

via The Washington Post|

#diet #food-sources #health

health29 days ago•6 min saved

Vitamin D's emerging links to diabetes risk, brain biomarkers, and gut immunity

New studies suggest vitamin D may influence several chronic diseases: high-dose vitamin D (4,000 IU/day) reduced progression from prediabetes to type 2 diabetes in people with AC/CC variants of the vitamin D receptor gene, but had no benefit for others and excess doses carry risks; higher vitamin D levels in midlife were linked to lower tau protein, a biomarker for Alzheimer's, years later but not with beta-amyloid and the study had limitations; in inflammatory bowel disease, 12 weeks of vitamin D supplementation reduced gut inflammation and promoted a more balanced immune response (increasing IgA, decreasing IgG), indicating potential as an adjunct therapy. Overall, vitamin D is not a cure-all and results are preliminary, needing replication and careful medical supervision.

via Medical News Today|

#alzheimers-disease #diabetes #health

health29 days ago•6 min saved

Vitamin D May Lower Diabetes Risk for People with Certain Gene Variants

Tufts researchers analyzed over 2,000 adults with prediabetes who took 4,000 IU/day of vitamin D; those with AC or CC variants of the vitamin D receptor gene had a 19% lower risk of developing diabetes versus placebo, while AA variant showed no benefit. This was a secondary analysis, not a primary randomized trial, and benefits were limited to specific genetic groups—replication is needed before changing clinical practice. Do not start high-dose vitamin D broadly; current guidelines recommend about 600–800 IU daily for most adults, with medical supervision for high doses in older adults.

via Fox News|

#diabetes #genetics #health

health1 month ago•8 min saved

D2 Vitamin May Undercut D3, Reinforcing a Preference for Vitamin D3

A meta-analysis finds vitamin D2 supplements can lower circulating vitamin D3, suggesting vitamin D3 is typically more beneficial for bone and immune health and should be the default choice when possible; D2 and D3 are not interchangeable, and access to plant-based D3 sources is growing.

via SciTechDaily|

#health #immune-system #nutrition-supplementation

health1 month ago•6 min saved

Genetic Twist Could Help Some Prediabetes Patients Benefit from Vitamin D

New analysis of the D2d trial suggests that high-dose vitamin D (4,000 IU/day) may lower progression to type 2 diabetes by about 19% in people with prediabetes who carry certain ApaI variations of the vitamin D receptor gene. This is not universal; prior trials showed mixed results and lifestyle changes—diet and exercise—remain the main prevention strategy. Genetic testing isn’t standard yet, but baseline vitamin D status and follow-up blood levels can guide decisions. Achieving higher blood 25-hydroxyvitamin D levels (around 40 ng/mL) may require doses above 4,000 IU/day for some individuals. Supplements are not a cure; discuss with a clinician, especially during pregnancy, nursing, or for children.

via Prevention|

#diabetes-prevention #genetics #health

health1 month ago•14 min saved

Mosley argues vitamin D could guard brain health and dementia risk

On Just One Thing, Michael Mosley promotes vitamin D as a potential shield for the brain and a guard against dementia, noting UK winters limit sun-driven production. He cites studies linking low vitamin D to higher dementia risk and mentions that vitamin D receptors exist in most cells, which could affect brain health; NHS guidance recommends most people take 10 micrograms daily in autumn/winter and warns against exceeding 100 micrograms daily.

via Daily Express|

#brain-health #dementia #health

health1 month ago•2 min saved

Fatigue Could Signal Vitamin D Deficiency, Doctors Say

Vitamin D deficiency is the most common micronutrient shortfall in the U.S., with about 94% not meeting daily needs. Fatigue is the top symptom (often persisting despite sleep), plus sweating, joint/muscle pain, and mood changes. Vitamin D supports bones, calcium absorption, immunity, and inflammation control. NIH recommends 600–800 IU daily, but experts often suggest 1,500–2,000 IU; taking more than 10,000 IU daily can be dangerous. Get your levels checked and follow a personalized plan from a doctor, and remember supplements are not medicines and should be used cautiously in pregnancy, nursing, or for children.

via Prevention|

#deficiency #dosage #fatigue

health1 month ago•34 min saved

High-Dose Vitamin D May Help Immune Balance in IBD, Mayo Clinic Study Finds

A Mayo Clinic-led study in Cell Reports Medicine followed 48 IBD patients with vitamin D deficiency who received weekly high-dose vitamin D (50,000 IU) for 12 weeks. Researchers found vitamin D may rebalance immune responses to gut bacteria, promoting immune tolerance and altering inflammatory signaling, with doses far exceeding typical supplements. While promising for IBD management, researchers caution against self-dosing and note more research is needed.

via Yahoo News Singapore|

#gut-microbiome #health #immune-tolerance

lifestyle1 month ago•43 min saved

Live longer for less: 8 affordable longevity hacks from a top expert

A longevity expert argues you don’t need expensive clinics to add years to your life. While the longevity market booms and luxury therapies exist, the biggest gains come from eight affordable habits: aim for 7–9 hours of sleep with inexpensive aids, ensure vitamin D sufficiency, build resilience through regular weight training, eat a whole‑foods, high‑protein diet, balance electrolytes for cellular hydration, regulate your nervous system with daylight and reduced screen time, avoid stacking too many treatments or supplements, and nurture regular social connections. This emphasizes daily, practical changes over costly, high‑price interventions.

via Daily Mail|

#hydration #lifestyle #longevity

health1 month ago•5 min saved

Bone Density Gains Take Time: 1 to 3 Years to See Real Change

Bone density peaks before age 30 and begins to decline after 40, so prevention matters early, but you can slow loss at any age with weight-bearing exercise and good nutrition. Experts recommend about 150 minutes of moderate activity weekly plus two days of strength training, and calcium and vitamin D from foods or fortified sources spread across meals. Changes in density typically show up on a DEXA scan after 1–3 years; menopause accelerates loss (roughly 3% per year) before it slows to about 1% afterward, and avoiding smoking, heavy alcohol, and certain medications helps preserve density.

via Women's Health|

#bone-density #calcium #health