Anabolic steroids such as testosterone play an essential role in human health and disease across the lifespan. Disease and age can alter natural hormone synthesis, causing steroid deficiencies. These changes affect the biology and psychology of...
Although fruits may not conjure the same images of manliness associated with steak and other hearty foods, some fruits may help to increase your levels of testosterone, the primary male sex hormone. Testosterone helps to enhance muscle mass and...
Responsible for numerous functions in the body, including sex drive and sperm production, testosterone is a predominantly male hormone that is necessary for proper health. Testosterone is associated with muscle and strength as well as the...
Sex hormone binding globulin, or SHBG, is a protein found within the blood. In males, the purpose of SHBG is to bind to testosterone, which renders the hormone unavailable for biological processes. Bound testosterone is inactive and will not...
Certain hormones in your body can influence your ability to lose weight. If you have low levels of the fat burning hormones, eating low-fat foods and staying physically active may not be enough to help you shed excess pounds. You can increase...
As men age, they tend to suffer a decrease in free testosterone. Some studies show a drop in availability of 1 percent per decade at minimum, starting at the age of 30. Several causes have been identified, including a decrease in production, more...
Sexual stamina is the ability to prolong the act of lovemaking, according to AskMen.org. The hormone testosterone plays an important role in the sex drive of both men and women. As men and women age, their testosterone levels decrease leading to a...
Testosterone is the male hormone responsible for muscle growth in both men and women. Women have minimal testosterone production, since testosterone has masculinizing effects such as deeper voice and facial hair growth. According to "The New York...
Tribex is a herbal supplement manufactured by Biotest, Inc. The active ingredient in Tribex is Tribulus terrestris, a potent herb known to naturally increase testosterone production in your body. It can also help you lower body fat content and...
Sebum is the waxy, oily substance produced by the sebaceous glands and controlled by hormones. Androgens, specifically testosterone, will signal the sebaceous glands to produce testosterone. Testosterone is normally considered a male hormone and...
Released by the anterior pituitary gland, the male hormone testosterone is responsible for numerous functions in the body, including bone growth, libido and muscle mass. It normally peaks in the early 20s and naturally declines after the age of...
For most men, testosterone represents virility, masculinity and youth. Testosterone levels begin to decline for most men starting in their 20s and continue to decline steadily into middle age. This decrease in testosterone can lead to fatigue,...
Testosterone is a sex hormone found in varying degrees in both men and women. It affects your libido, hair growth and mood. Low levels of testosterone have been linked to depression, while high levels of testosterone might cause aggression. DHEA,...
Testosterone is an androgen found primarily in men. It is responsible for the development of male secondary sex characteristics, including muscle mass and strength. In addition, testosterone is required for proper bone growth as well as sperm...
Testosterone is a potent hormone secreted in men by the testes. It is responsible for protein metabolism as well as libido. On top of that, testosterone plays a role in the development and maintenance of muscle mass and strength. Testosterone...
Responsible for bone growth and secondary sex characteristics, testosterone is a hormone found mostly in men that declines after the age of 30. Besides exercising and eating testosterone-boosting foods, research indicates that a few supplements...
There are several supplements that purport to block the production of estrogen in your body. The U.S. Food and Drug Administration, however, does not regulate claims made by supplement manufacturers. Therefore, scientific evidence does not...
Testosterone is a hormone produced in both men and women, though primarily in men. It is known to promote the characteristics of men, including large muscle growth and body hair. There are many ways you can increase testosterone production...
Testosterone is a hormone that naturally occurs in the body. It is produced in small amounts in the adrenal cortex for both sexes and in the testes for males and ovaries for females. Low levels of testosterone can be determined by a simple blood...
Testosterone is a steroid hormone, which means that it is made by the body from cholesterol. The cholesterol can either be made by the liver or come from the diet. Testosterone synthesis can follow one of two pathways, both of which are regulated...
Testosterone is a sex hormone that men produce in their testicles. It declines about 1 percent a year in men beginning at about age 30, according to the Mayo Clinic. Some men experience abnormal declines in testosterone levels. In both cases, some...
Low testosterone in men can cause many serious side effects, including weight gain, bone loss, depression, muscle loss, gynecomastia (breast enlargement), decreased libido, and decreased energy and mental concentration. Testosterone production...
The hormone testosterone is found in both men and women, but the levels are much higher in men. It is responsible for many male characteristics, including bone strength, facial and body hair, male facial features and a deep voice. MayoClinic.com...
Many factors influence testosterone -- your genetic makeup, supplements and exercise routine, for example -- and your diet can have a significant effect as well. Many micronutrients, vitamins and minerals, are involved in the production of...
Keeping testosterone high remains important throughout life. This hormone plays an important role in development and reproduction. Testosterone deficiency affects about 10 percent of adult men, according to a 2010 survey published in "Aging Male."...
Tribbulus terrestris is an herb used as a nutritional supplement for its reported benefits to human health. Manufacturers promote tribulus terrestris as a supplement to improve sexual function in men and enhance testosterone production, muscle...
Lifting weights is one of the best ways to strengthen your bones and muscles and promote growth in both your muscular strength and muscle mass. A committed weightlifting regimen can cause sweeping changes that affect both your physique, your...
Horny goat weed, also referred to as Yin Yang Huo, arrow-leaf, barrenwort or chien-hsieh, is a plant used to enhance sexual arousal. The herb may help increase testosterone production and may help improve erectile dysfunction, according to...
Many people think of only male libido as being controlled by the hormone testosterone. Female libido, however, also depends on the production of this hormone. Testosterone production depends on your body receiving nutrients that are in many of the...
