The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
But there have been studies subsequently that point to the fact that supplementation with zinc at those high levels can really be helpful in terms of increasing sperm count, testosterone, and even testicular size, of all things.
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
But meanwhile, if you're a male and you're interested in improving sperm quality and your testosterone levels overall for whatever reason, zinc likely is a good candidate.
Zinc, essential for testosterone synthesis, spermatogenesis, & antioxidants. Zinc deficiency is linked to reduced sperm count & motility, with supplementation (30–50 mg/day) improving parameters