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Vital

Male given name

Fact-Checks

3 results
Feb 6, 2026

What randomized clinical trials have tested vitamin D for prevention or improvement of type 2 diabetes and what were their outcomes?

Three designed to test for diabetes prevention in people with prediabetes—, , and a trial using active vitamin D (eldecalcitol)—plus several smaller RCTs and large prevention megatrials with diabetes ...

Jan 25, 2026

What randomized controlled trials show cognitive benefits from DHA/EPA supplementation in older adults or Alzheimer’s disease?

Randomized controlled trials (RCTs) and systematic reviews converge on a clear pattern: has produced cognitive benefits most consistently in people with mild cognitive impairment (), but large RCTs in...

Dec 19, 2025

What large randomized controlled trials exist testing omega‑3 supplements for preventing dementia?

Large randomized controlled trials specifically powered and long enough to test whether omega‑3 supplements prevent dementia are scarce: most evidence comes from smaller RCTs in people with mild cogni...