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Hormones are fundamental to achieving your strength and muscle gains. Specific male hormones that help maintain a man’s bone density, fat distribution, muscle strength, sex drive, mood, energy, sperm production, and more.

Hormones can be influenced by diet, sleep, alcohol and the time of the day the blood is taken (e.g. testosterone peaks in the morning). To ensure reliable and accurate test results, it is important that you try to keep these stable one week before testing. For any retests repeat similar conditions.

Strength related blood test


Cortisol, is known as a catabolic hormone (a hormone that breaks down tissues). High levels of stress including physical or emotional can trigger your body to produce cortisol. Over the long term elevated cortisol level has adverse effects on health, immune function, mood, body composition and performance.


DHEA is produced mainly by the adrenal glands and is the most abundant steroid hormone in the human body. It plays a key role in hormone balance, as well as supporting one’s immune function, energy, mood and maintaining lean muscle mass.


Oestradiol is a form of estrogen that is also present in males. In men, high levels of oestradiol are associated with excessive abdominal fat, enlargement of the prostate, and increased cardiovascular risk.


Known as the feel-good hormone, testosterone helps improve muscle size and strength, sex drive, mood, energy, sperm production and more. Testosterone is the major androgenic hormone. The total testosterone test measures testosterone that is bound to proteins in the blood. In a sporting context, athlete testosterone levels before training were positively correlated to self-selected training loads and workloads, whilst greater testosterone responses to competition were associated with higher motivation to win. Monitoring changes in hormones may assist you changing your training, nutrition, supplements and / or sleep habits.


Testosterone and oestradiol circulate in the bloodstream, bound mostly to SHBG (sex hormone binding globulin). Changes in SHBG levels can affect the amount of hormone that is available to be used by the body's tissues. A high SHBG level means that it is likely that less free testosterone is available to the tissues than is indicated by the total testosterone test. Decreased SHBG levels can be seen in obesity, hypothyroidism, androgen use.

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