By Dr. Tracy Tranchitella, ND (ZRT Laboratory) For anyone who has dealt with issues that are related to chronic fatigue has likely evaluated their hypothalamic–pituitary–adrenal (HPA) axis performance through a multi-point salivary test. The hormone Cortisol is measured in saliva when the samples are collected through predetermined intervals throughout a single day reveal one’s physiological resilience and metabolic reserve in response to daily stressors. HPA axis testing is a mainstay in the world of integrative, naturopathic, and functional medicine. For the past 2 years, the world has existed under the constant shadow of COVID-19. To say that we have been “stressed” is an...
Heavy periods affect millions of women, yet the underlying causes are frequently misunderstood or left unaddressed. From oestrogen and progesterone imbalances to structural issues such as fibroids and adenomyosis, there are several well-established reasons why menstrual bleeding can become excessive. This article explains the physiology of the menstrual cycle, the most common causes of heavy periods, and how hormone testing can help identify what is driving your symptoms — so you can take informed steps towards better menstrual health.
Did you know that low vitamin D could be disrupting your sleep? Research shows that vitamin D plays a key role in serotonin and melatonin production — the hormones that regulate your sleep-wake cycle. Dr. Kate Placzek explores the science behind the vitamin D–sleep connection, what else low vitamin D affects, and how to find out if deficiency is at the root of your sleep problems.
Food is one of the most powerful tools for supporting hormonal health. These summer recipes from our team are packed with nutrients that support hormone balance, stress resilience, and neurotransmitter function.
Imbalances in estrogen, testosterone, progesterone and cortisol — brought on by ageing, diet and modern-day stress — are key drivers of the obesity epidemic. Learn how your hormones influence fat distribution and weight regulation, and how at-home hormone testing can help you take control.