The Claim
Low body fat and reduced caloric intake cause a decrease in testosterone levels through hormonal downregulation that prioritizes survival over reproduction.
What the research says
Not yet evaluated
We are still looking at what the research says.
Supports
0score
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.
Cause and effect
0 studies reviewed
In plain English
When you have very low body fat and eat fewer calories, your body lowers testosterone levels to save energy for staying alive instead of making babies.
See the scientific wording
Low body fat and reduced caloric intake cause a decrease in testosterone levels due to hormonal downregulation prioritizing survival over reproduction.
Score breakdown, mechanism chain, raw evidence, ideal studies needed
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.