Jun 15, 2026Neurodegeneration

APOE4, Vitamin D, Grip Strength, and Dementia Risk

Can vitamin D status and handgrip strength signal lower dementia risk in APOE4 carriers? A 12-year UK Biobank study offers clues, not prevention proof.

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Jun 15, 2026Clinical Trials

Vitamin D in Pregnancy: A Bone Marker Moves, Outcomes Don’t

A pregnancy RCT found vitamin D lowered a bone-resorption marker, but it did not prove protection against maternal bone loss or fractures.

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Mar 27, 2026Nutrition

Vitamin D and Protein for Sarcopenia: What Trials Show

In diagnosed sarcopenia, vitamin D plus protein can improve strength measures but has not reliably restored muscle mass. Here is what RCT evidence shows.

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Mar 25, 2026Nutrition

Exercise Plus Vitamin D in Type 2 Diabetes: Synergy?

Does vitamin D make exercise work better for type 2 diabetes? A new meta-analysis finds narrower gains for HbA1c, glucose, cholesterol, and triglycerides.

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Mar 22, 2026Nutrition

Psoriasis Supplements and AD Probiotics: What the Trials Show

Omega-3, vitamin D, curcumin, and strain-specific probiotics show signals in psoriasis and eczema trials—but rankings come with major limits.

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Mar 21, 2026Nutrition

Vitamin D and Childhood Obesity: Correlation, Not a Cure

Low vitamin D is common in children with obesity, but does it cause weight gain or result from it? What the evidence says about supplements.

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Mar 18, 2026Nutrition

Can Any Diet Reverse Prediabetes? What the Best Review Found

Which diets and supplements actually reverse prediabetes? An umbrella review finds weak evidence, a modest vitamin D signal, and major research gaps.

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Mar 17, 2026Nutrition

Magnesium, Gut Bacteria, and Vitamin D: What We Know

Can magnesium raise vitamin D through gut bacteria? Examine the human trial, Ca:Mg ratio, TRPM7 genetics, and colorectal cancer relevance.

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Mar 16, 2026Nutrition

Can Vitamin D3 Reshape Your Gut Microbiome? RCT Evidence

A 4,000-IU vitamin D3 trial found gut microbiome and metabolite-network shifts, but a baseline imbalance limits what it can prove.

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Mar 16, 2026Nutrition

VDR Genes and Vitamin D Dosing: What the Evidence Supports

Do VDR variants change your vitamin D response? Conflicting meta-analyses say genetic testing cannot yet replace measuring 25OHD.

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Mar 14, 2026Nutrition

Vitamin E Ranked First for BP—Why You Shouldn’t Take It

A network meta-analysis ranked vitamin E highest for blood pressure, but small trials, heterogeneity, and safety concerns change the verdict.

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Mar 14, 2026Nutrition

Curcumin, Vitamin D, and PMS: One Small Trial, Big Claim

Can curcumin raise vitamin D in PMS? One 76-person trial found a small increase, but the result remains unreplicated and is not a vitamin D treatment.

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