We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission. Here’s our process. An at-home testosterone test can help people monitor ...

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Starting around age 40, many men notice the first physical changes that may be related to their hormone levels: Energy wanes more quickly, sleep is less restful, and waistlines often expand. These are ...

Three forms of testosterone are found in serum: sex hormone-binding globulin (SHBG)-bound (60%-70% of total), albumin-bound (20%-30% of total), and free (1%-3% of total). SHBG-bound testosterone is ...

Testosterone levels typically decline as a person ages, but some may have low testosterone due to certain health conditions. People may wish to use an at-home testosterone test to monitor their ...