Symptoms can be subtle ... testosterone supplementation may improve memory in older men with low testosterone though the effect may be small. However, a 2017 study on testosterone supplementation ...
Men typically ... A doctor may administer testosterone using a patch, an injection, a gel, or a product absorbed by the gums. A person who experiences any symptoms of low or high estrogen levels ...
The study enrolled 88 men (60 years or older) with symptoms of hypogonadism and low testosterone levels (5.2–10.4 nmol/l in a single measure or 10.4–12.1 nmol/l in two consecutive measures).