Témata

Vitamin D correction (if deficient) is a foundational preventive step, while high-dose zinc and elderberry are better suited to active symptom treatment.

Frequent infections, slow wound healing, and chronic fatigue can indicate immune dysfunction, though these signs overlap with many other conditions.

Elderberry's meta-analysis results point consistently one direction; echinacea's over 2,000-participant evidence base is genuinely split. Here's the honest comparison.

Elderberry has the more consistent trial data for symptom duration, though study quality is limited across the board. Timing matters more than which herb.

Vitamin D and zinc have the most direct clinical trial support for immune function, particularly for those with deficiency or during active infection.

A meta-analysis of 17 studies found myo-inositol/D-chiro-inositol supplementation significantly improved pregnancy rates and embryo quality in women with PCOS undergoing ART.

Berberine reduced HOMA-IR by up to 73% in one trial, with mechanisms comparable to metformin. Chromium and magnesium offer complementary support.

A randomized trial found spearmint tea lowered free testosterone in women with PCOS over 30 days. Here's what the evidence supports and its limits.

Myo-inositol at a 40:1 ratio with D-chiro-inositol has the strongest fertility trial data for PCOS, with spearmint tea and berberine offering complementary support.

Black cohosh's evidence for hot flashes is genuinely mixed, some trials positive, some no better than placebo. Here's an honest look at the leading...

Zinc's cold-duration benefit is real but dose-dependent: trials show a 33-35% reduction only at 80mg+ daily, with no effect below 75mg.

Vitamin D induces antimicrobial peptides and modulates immune cell function through receptors on nearly every immune cell type. Benefits are clearest in deficiency.

Explains Urolithin A, why not everyone produces it from food naturally, and what randomized trials show for muscle strength and mitochondrial health.

Compares trans-resveratrol and pterostilbene as sirtuin-activating polyphenols, covering bioavailability differences and what human data supports for each.

A practical framework for building a longevity stack around distinct hallmarks of aging, using NR, resveratrol, spermidine, Urolithin A and CoQ10.

Vysvětluje autofagii, buněčný úklidový proces těla, a co k němu podle aktuálního výzkumu přispívají hladovění, cvičení a spermidin.

Popisuje fisetin a apigenin jako kandidáty na senolytika, co ukazují aktuální studie u lidí a proč mohou senolytika fungovat nejlépe u lidí s potvrzenou...

Vysvětluje buněčnou senescenci, zánětlivou sekreci SASP a aktuální stav výzkumu senolytik zaměřeného na tyto buňky u lidí.

Přehled znaků stárnutí, na které cílí prekurzory NAD+, resveratrol, spermidin, fisetin a Urolithin A, s upřímným hodnocením úrovně důkazů pro každý z nich.

Covers what telomeres are and what the VITAL trial found about vitamin D3 versus omega-3 for telomere preservation over four years.