Hormone Health Hub: Expert Insights on Testing, Balance & Better Living — advanced women wellness diagnostics

In perimenopause, falling estradiol doesn’t just trigger hot flashes — it disrupts serotonin production, driving mood swings, brain fog and sleepless nights. Discover the hormonal science behind “the change” and how testing can help.

Over 25 million women enter menopause each year and face decisions about hormone replacement therapy. But HRT dosing is far from standardised — and the testing method used makes all the difference. This article explores why doses vary so widely and how saliva, blood spot and urine testing can help optimise outcomes.

Estrogen dominance — an excess of oestrogen relative to progesterone — is one of the most common hormonal imbalances in women. From heavy periods and mood swings to breast tenderness and weight gain, the symptoms are wide-ranging. Discover the causes, what to test, and how to restore balance.

In 1999, Tina Mattern was diagnosed with breast cancer and faced a terrifying choice of conventional treatments. Instead, she discovered the work of Dr. David Zava and ZRT Laboratory, and chose a path of natural hormone balancing, saliva testing and lifestyle change. This is her story — and her happy ending.