Research

Hormonal

Oral testosterone supplementation in elderly men with low-normal gonadal status leads to a significant decrease in High-Density Lipoprotein (HDL) cholesterol levels.

Older men considering testosterone therapy should be aware that it may lower HDL ('good') cholesterol. Regular monitoring of lipid profiles is recommended to manage this potential side effect, even though other lipid markers like LDL and triglycerides may remain unchanged.

GoodSupportsHIGH confidence
There were no differences in either LDL cholesterol (p = .21) or triglyceride (p = .26) levels between the groups. At 12 months, plasma HDL levels decreased by 0.128 ± 0.03 (mean ± SD) mmol/L... in the testosterone... group... (p = .03).
Gary Wittert et al. · The Journals of Gerontology Series A · 2003

Why this rating

Statistically significant result (p=.03) in a randomized controlled trial.

Source

Oral Testosterone Supplementation Increases Muscle and Decreases Fat Mass in Healthy Elderly Males With Low-Normal Gonadal Status

Gary Wittert et al. · The Journals of Gerontology Series A · 2003

DOI 10.1093/gerona/58.7.m618

rct · n=76Cited 346×
Read the paper
DOI resolved against Crossref · corpus check 2026-06-10

This is one finding among thousands. Every one is graded and traced to its source, so you can see what the evidence actually supports. Browse the research →