The Claim

Testosterone administration has no differential effect on economic preferences based on baseline testosterone levels, cortisol levels, or personality traits including dominance or impulsivity, as no statistically significant interactions were observed in a sample of 1,000 men across preregistered and exploratory analyses.

Source: Investigating the effects of single-dose intranasal testosterone on economic preferences in a large randomized trial of men

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
90score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Description
1 study reviewed
In plain English

In a study of 1,000 men, giving testosterone did not change economic decision-making differently depending on a person's starting hormone levels or personality traits like dominance or impulsivity.

See the scientific wording

The effect of testosterone on economic preferences does not differ based on baseline testosterone levels, cortisol levels, or personality traits such as dominance or impulsivity, as no statistically significant interactions were found in a sample of 1,000 men across multiple preregistered and exploratory analyses.

Why this might work

Testosterone binds to receptors in brain regions that control risk-taking and fairness decisions, changing how those areas communicate. This change happens the same way in everyone, no matter how much testosterone they had before or how dominant or impulsive they are.

Verified mechanismbased on 1 study

What the research says

1 study
  1. Study: Investigating the effects of single-dose intranasal testosterone on economic preferences in a large randomized trial of men

    Scientists gave men a dose of testosterone and saw no change in how they made economic choices, no matter how much testosterone they had naturally or how dominant or impulsive they were. So, testosterone doesn’t affect decisions differently based on who you are.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.