Age-specific middle tertile levels were 409-558 ng/dL (20-24 years old), 413-575 ng/dL (25-29 years old), 359-498 ng/dL (30-34 years old), 352-478 ng/dL (35-39 years old), and 350-473 ng/dL (40-44 years old). Age-specific cutoffs for low testosterone levels were 409, 413, 359, 352, and 350 ng/dL, respectively.
Normal Results
Male: 300 to 1,000 nanograms per deciliter (ng/dL) or 10 to 35 nanomoles per liter (nmol/L) Female: 15 to 70 ng/dL or 0.5 to 2.4 nmol/L.
10-11 years old: below 7-44 ng/dl. 12-16 years old: below 7-75 ng/dl. 17-18 years old: between 20-75 ng/dl. 19 years old and older: between 8-60 ng/dl.
Most doctors agree that a “normal” reading falls anywhere between 300 to 1,000 nanograms per deciliter (ng/dL). About 40% of men over age 45 will have levels that come in below that range.
Testosterone levels reach their peak around age 18 or 19 before declining throughout the remainder of adulthood.
Testosterone production peaks in your teen years and remains high until your mid-thirties, when your testosterone levels start to decline, at the rate of one to two percent per year.
Healthy testosterone levels on mass spectrometry are 10.4-30.1 nmol/L in men 21 to 35 years with healthy reproductive function, and 7.4-28 nmol/L in unselected young men, the guidelines say. Very healthy men aged 70 to 89 have a healthy range of 6.4-25.6 nmol/L.
Testosterone levels depend largely on age, genetics and existing medical conditions. Adult males under 50 years of age with testosterone levels between 230-350 ng/dL and adult males over 50 years of age with testosterone levels between 300-500 ng/dL are typically diagnosed with Low T.
“Exercise will boost testosterone, though certain types of exercise increase testosterone more than others,” says Richard Jadick, D.O., a Piedmont urologist. Exercise can raise testosterone because it promotes: Muscle building. The more muscle you have, the higher your testosterone levels.
The American Urology Association (AUA) identifies low blood testosterone (Low-T) as less than 300 nanograms per deciliter (ng/dL).
What is a low testosterone level? The American Urology Association (AUA) considers low blood testosterone to be less than 300 nanograms per deciliter (ng/dL) for adults. However, some researchers and healthcare providers disagree with this and feel that levels below 250 ng/dL are low.
Acquired circumstances that can lead to secondary hypogonadism include: Normal aging: Aging affects production and response to hormones. Obesity: High body fat can affect hormone production and response. Medications: Opioid pain meds and steroids can affect function of the pituitary gland and hypothalamus.
This sex hormone usually peaks in adolescence and early adulthood. As men age, the ability to produce testosterone begins to decline such that testosterone levels begin to drop about 1 to 3 percent a year beginning around age 40 years.
Men with higher levels of testosterone usually have greater sexual activity. Older men need more testosterone for libido and erectile function. But it's important to note that erectile dysfunction is often due to other conditions or medications rather than low testosterone levels.
Bananas can boost testosterone as well as improve energy levels. Other beneficial fruits include watermelon and grapes. Citrus fruits can help testosterone production and reduce the hormones that make testosterone production less effective.
What, perhaps, is most encouraging for men struggling with low T is that the research indicates that introducing caffeine can help boost your testosterone levels as it may act as an aromatase inhibitor. This means caffeine can jumpstart the testosterone production process in the body.
Men older than age 65 should have a testosterone level of about 300–450 ng/dL. Testosterone levels below 300 affect approximately 40 percent of men older than age 45, including 2 out of 10 men over 60, 3 out of 10 men over 70, and 3 out of 10 men over 80 years old.
While normal is defined as total testosterone of 300–1000 ng/dL, patients in the 300–350 ng/dL range are viewed as borderline low, Dr. Eleswarapu says.
Age-specific middle tertile levels were 409-558 ng/dL (20-24 years old), 413-575 ng/dL (25-29 years old), 359-498 ng/dL (30-34 years old), 352-478 ng/dL (35-39 years old), and 350-473 ng/dL (40-44 years old). Age-specific cutoffs for low testosterone levels were 409, 413, 359, 352, and 350 ng/dL, respectively.
Testosterone home testing kits are widely available from several companies, including LetsGetChecked, Everlywell, and Progene. They use your blood or saliva to test your hormone levels. After taking the test, you'll send your sample to a laboratory for testing.