While often considered a primary female hormone, estrogen is also important for men, playing a vital role in bone health, cardiovascular function, and brain health for both sexes. It is a key regulator of the reproductive system, particularly in women.

Although it is the main male sex hormone, testosterone is also present in women and is vital for bone density, muscle mass, and libido in both sexes. Maintaining a proper balance of testosterone is essential for overall health.

Thyroid hormones are essential for regulating metabolism in both men and women, which influences energy levels, weight, and heart rate. They also play a critical role in brain development and function throughout life.

DHEA is a precursor hormone that the body converts into other hormones, including testosterone and estrogen, making it fundamental for both men and women. It is associated with aging, immune function, and overall vitality.

Known as the primary stress hormone, cortisol is crucial for both sexes in managing the body's response to stress. It also helps regulate metabolism, inflammation, and blood sugar levels.