Zinc is essential for over 300 enzymes and is one of the best-evidenced acute-illness supplements. Zinc lozenges (acetate or gluconate) reduce cold duration when started within 24 hours.
Zinc lozenges at adequate doses reduced cold duration by 33%. Effective forms: zinc acetate and gluconate, ideally started within 24 hours.
Adequate zinc status was associated with significantly lower pneumonia incidence and shorter duration of illness.
Zinc supplementation in zinc-deficient men improved serum testosterone, semen quality, and fertility outcomes.
We prioritize randomised controlled trials and meta-analyses over single observational studies. Animal and in-vitro data are listed as "mechanistic", they suggest direction, not human effect size.
We don't cherry-pick favourable studies, omit conflicting evidence, or cite industry-funded trials without flagging the conflict of interest where known.
The research is one thing, what to take, at what dose, paired with what, is another. We compose stacks that turn the evidence into a daily routine.
Studies referenced are real published research. Summaries are paraphrased for accessibility, for exact methods and full text, click through to PubMed. Educational use only, not medical advice. Consult a qualified clinician before starting any new supplement.