This is one of the most confidently stated claims in the whole space, and it has one of the thinnest foundations.
Trace it back and you arrive at one small study: 28 men, a transient rise reported around the seventh day, then back to baseline. That paper was published twice, was retracted in 2021 for duplicate publication, and has never been replicated by anyone else. That is the whole basis for a very large edifice of videos and forum posts.
Even taking the retracted result at face value, it described a brief blip, not a sustained elevation, and there is no evidence of any lasting hormonal change from long-term retention. Beyond the hormone claim, the pheromone and "people can notice" claims have no evidence and no mechanism.
If you feel sharper or more capable after a period of abstinence, that is worth taking seriously as a psychological effect of succeeding at something difficult. It is not testosterone, and it is not the calendar.
Where this comes from
Read the full lesson: Semen retention: where it comes from →
Sources and how strong they are (2)
- Mixed evidenceThere is no sound evidence that ejaculatory abstinence produces a meaningful hormonal benefit. The widely repeated "testosterone peaks on day seven" figure rests on a single study of 28 men that was retracted in 2021, was published twice, and has never been independently replicated. Nothing supports sustained hormonal benefit from long-term retention.Jiang M, Xin J, Zou Q, Shen JW, J Zhejiang Univ Sci 2003;4(2):236-240, doi:10.1631/jzus.2003.0236, PMID 12659241 — RETRACTED 10 December 2021 (Retraction Note doi:10.1631/jzus.2003.r236). The…
- MythClaims that semen retention raises pheromones, attracts partners, or produces superpowers have no supporting evidence.No credible evidence base
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