The Rise of “Sperm-Maxxing”: Men Turn to Supplements and Biohacks to Boost Fertility

A growing number of men are adopting a set of practices marketed as “sperm-maxxing.” Typical actions include daily fertility supplements—often costing around $250 per month—testicular icing, avoidance of pornography, and tracking semen “vitality scores.” Influencers in the niche promote these behaviors alongside lifestyle advice, such as wearing specific underwear, though many recommendations lack scientific support.

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The trend is illustrated by Pachi Paris, a 29-year-old finance professional from Miami, who began a supplement regimen when he and his wife started trying to conceive. Paris, who is young, exercises regularly, and maintains a healthy diet, was surprised to learn of a sperm health issue during a medical workup. Researchers such as Michael Eisenberg, a professor of urology at Stanford University, are monitoring the phenomenon and commenting on its broader relevance to reproductive health.

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• Monthly expenditure on fertility supplements reported by a participant: $250.

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• The article notes a “large male audience” is now actively seeking information about reproductive health, though precise enrollment figures are not provided.

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Researchers argue that men’s well-being plays a key role in fertility, pregnancy health, and early child development. The growing interest among men in their reproductive health may expand public awareness of these connections.

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Medical commentary emphasizes that male fertility has historically received limited attention. Experts contend that recognizing fertility as a shared responsibility may improve conception outcomes and subsequent child health.

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Critics highlight that many sperm-maxxing recommendations are based on “classic wellness misinformation.” For example, the claim that switching to organic-cotton boxers is necessary for testicular cooling is not supported by evidence. Biohackers often rely on unvalidated metrics, raising concerns about the efficacy and safety of such practices.

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The article does not cite peer-reviewed studies confirming the efficacy of most sperm-maxxing practices, leaving the scientific validation of these methods uncertain.

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• “we found it odd that she's not pregnant yet,” — Pachi Paris, 29, Miami

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• “We both got a workup done, and it turns out that I was one that had some health issues going on with my sperm.” — Pachi Paris, Miami

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• “I'm encouraged anytime the spotlight shifts to male fertility,” — Michael Eisenberg, Professor of Urology, Stanford University

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• “I think it's been underappreciated for a long time … [and] fertility is a team sport.” — Michael Eisenberg, Stanford University

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The trend emerges as researchers increasingly examine the role of male well-being in fertility, pregnancy health, and early child development, suggesting that heightened public attention may intersect with ongoing scientific inquiry.

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