Further, testosterone therapy ameliorates components of the metabolic syndrome. Otherwise, be reassured that testosterone levels can gradually decline as you get older. There’s no need to panic if your testosterone levels are gradually declining — this is a normal part of ageing. Make sure you take your sample in the morning (ideally 7–10 am) as testosterone levels are highest at this time of day. You can check your testosterone levels at home with a home Testosterone Blood Test. A 2022 study looked at testosterone levels of 1,486 men between the ages of 20 and 44 . Finally, it’s thought that this negative feedback loop becomes overly sensitive with time, preventing testosterone release, even when testosterone levels are not particularly raised . Testosterone replacement may therefore potentially be an effective adjunctive treatment for weight management in obese men with concomitant hypogonadism. Androgenic effects on enzymatic pathways of fatty acid metabolism, glucose control and energy utilization are apparent and often tissue specific with differential effects noted in different regional fat depots, muscle and liver to potentially explain the mechanisms of testosterone action. "This will help them determine if or when certain treatments are appropriate, as well as which lifestyle habits they need to focus on improving to reduce their symptoms related to Low-T." The purpose of this article is to examine the contemporary data linking testosterone therapy in overweight and obese men with testosterone deficiency to increased lean body mass, decreased fat mass, improvement in overall body composition and sustained weight loss. MOSH is a potentially reversible cause of HPT axis suppression and testosterone deficiency (functional hypogonadism) and hence can be managed with lifestyle measures to achieve significant weight loss, without the need for testosterone treatment.51 Longitudinal data from the EMAS showed that weight loss can increase testosterone levels in obese men. The bidirectional, inverse relationship between increased fat mass and testosterone levels suggests that both weight loss as well as testosterone therapy have the potential to break this vicious cycle. In obese healthy men with mild-to-moderate androgen deficiency symptoms and moderate testosterone deficiency, the improvement in androgen deficiency symptoms achieved with TRT is over and above what is achieved with weight loss alone, with the greatest benefits observed in severely symptomatic men.85 A recent meta-analysis found that TRT significantly improves erectile dysfunction in men with testosterone deficiency and improves the mean IIEF-5 scores by 1.47 and 2.95 for men with baseline testosterone levels of 86 Men with testosterone deficiency and obesity have reduced testosterone levels and weight loss produces increased total testosterone levels 79,78▪. Insulin resistance in testosterone deficiency is mediated by body composition dependent effects, including increased adipocyte differentiation (visceral obesity) and decreased myocyte differentiation (sarcopenia), and body composition independent effects such as increased inflammation (TNF-α, IL-1 and IL-6), decreased adiponectin and reduced mitochondrial function.35,36 Resultant hyperinsulinaemia acts on the kisspeptin neurons to decrease kisspeptin signalling, which, in turn, acts on the GnRH neurons to decrease GnRH release and thereby LH secretion.37 Aromatization is the conversion of androgens, like testosterone, into estrogens, such as estradiol (E2). Hypogonadism in males is a condition in which the body does not make enough testosterone. Testosterone is often thought of as only a male sex hormone, but females have (and need) testosterone too, just in much smaller amounts. When it comes to men’s health, testosterone often gets all the attention. In women, testosterone is important for muscle health, bone density, energy, mood, fertility, and libido (sex drive). A testosterone level that is lower or higher than normal can affect the body in many ways. In women, testosterone is secreted in the ovaries and adrenal glands and helps create estrogen and may help regulate how eggs develop in the ovaries. Read our article to learn more about essential hormones and how they affect women's menstrual cycles. Testosterone levels fluctuate throughout the menstrual cycle, but it remains important throughout life. As you age, your testosterone level gradually declines — typically about 1% a year after age 30 or 40. You have the ability to discuss your results with an independent healthcare provider at no extra cost; however, you are also encouraged to speak with your primary healthcare provider.