If perimenopause has taught us anything, it's that your body doesn't always follow the rules you thought you knew.
One day you feel like yourself. The next, your stress tolerance feels different, your mood is harder to balance and the things that once helped you switch off don't seem to work quite as well.
While hot flushes and changing cycles tend to get most of the attention, perimenopause can affect many dimensions of how you feel day to day—including stress, mood, sleep and mental clarity.
That's where one particular botanical has caught our attention: KSM-66® Ashwagandha. Here's what it is, what the research proves and why it's the hero ingredient in our soon-to-be-released formula.
What is ashwagandha?
Ashwagandha (Withania somnifera) is a small evergreen shrub native to India, North Africa and the Mediterranean. It's been used in Ayurvedic medicine for thousands of years—prized as an adaptogen, a class of botanicals traditionally used to help the body navigate stress and maintain balance.
In Ayurvedic tradition, ashwagandha is considered one of the most important herbs in the entire system—a rasayana, or rejuvenating tonic, used to support vitality, mental clarity and overall resilience.
Modern science has spent the last few decades investigating what practitioners have valued for centuries, with ashwagandha now one of the more extensively researched botanicals for stress, mood and emotional wellbeing. It's also emerged as one of the most studied adaptogens for perimenopause—a life stage where these very qualities become particularly relevant.
But there's an important distinction to understand when you see "ashwagandha" on a label. Not all ashwagandha is created equal.
What makes KSM-66® ashwagandha different?
When choosing a supplement, knowing a product contains "ashwagandha" isn't quite enough. The plant part used, the extraction method, and the concentration and standardisation of active compounds all alter how an ingredient actually performs in the body.
Many supplements use a blend of root and leaf, but KSM-66® is made exclusively from the root—using a specialised extraction process developed through more than 14 years of research and development. The result is a full-spectrum, high-concentration root extract that retains the naturally occurring compounds found in the ashwagandha root, including withanolides—the active constituents responsible for ashwagandha's most studied benefits.
KSM-66® also has one of the most extensive clinical research libraries of any ashwagandha extract, with more than 90 human clinical trials behind it—including research specifically in perimenopausal women. This combination of extraction quality and clinical depth makes KSM-66® the best-studied ashwagandha for perimenopause support.
What benefits does KSM-66® Ashwagandha offer?
One of the most compelling areas of research around KSM-66® is its relationship with the body's stress response, mood and emotional wellbeing.
Part of how it works comes down to cortisol—the body's primary stress hormone. Research suggests that ashwagandha may help regulate cortisol levels, which can become dysregulated during periods of hormonal change.
A double-blind, randomised, placebo-controlled trial published in the Indian Journal of Psychological Medicine found that a high-concentration full-spectrum root extract of ashwagandha significantly reduced stress and anxiety scores in adults, while also improving measures of general wellbeing.
In practice, KSM-66® Ashwagandha:
- Supports a healthy stress response, helping the body adapt to the demands of everyday life.
- Helps relieve symptoms of mild anxiety, supporting greater calm and emotional steadiness
- Supports a healthy mood balance and emotional wellbeing.
Rather than numbing or sedating, KSM-66® works gently—so you can move through your days feeling more like yourself.
KSM-66® ashwagandha and perimenopause: the evidence
The hormonal fluctuations of perimenopause don't just affect your cycle—they can affect your nervous system, mood and emotional equilibrium. Things that once rolled off your shoulders may suddenly feel heavier. You might feel less resilient to everyday stressors, more emotionally reactive or simply not quite like yourself. And when you're also navigating disrupted sleep, hot flushes and irregular periods, it can be a lot.
For women seeking natural supplements for perimenopause stress, mood and hormonal change, this is where the KSM-66® becomes particularly relevant—because its strongest clinical evidence centres on the very systems that perimenopause can disrupt most, and a dedicated clinical trial has now investigated its effects specifically in perimenopausal women.
A double-blind, placebo-controlled study published in the Journal of Obstetrics and Gynaecology Research found significant improvements in climacteric symptoms—including hot flushes, sleep disturbance, anxiety and mood—in the ashwagandha group compared to placebo. Notably, sleep disturbance was among the symptoms that improved most meaningfully, which makes sense when you consider the cortisol connection: when the body's stress response is better regulated, the nervous system has more capacity to settle into rest.
In other words: KSM-66® Ashwagandha has been shown to help relieve symptoms of menopause in perimenopausal women and to help maintain healthy female hormonal balance during menopause. This isn't just symptom management—it's supporting the body's own capacity for steadiness, so the transition of perimenopause doesn't have to come at the cost of how you feel each day.
Brain fog, memory and focus
One benefit that often surprises people? Ashwagandha has a long history of traditional use in Ayurvedic medicine for cognitive support—and this speaks directly to one of the most commonly experienced, yet least openly discussed, aspects of perimenopause: brain fog. For women navigating perimenopause brain fog, ashwagandha's traditional use for cognitive support is increasingly reflected in emerging research.
KSM-66® Ashwagandha is traditionally used in Ayurvedic medicine to help maintain mental clarity, memory recall and focus—a meaningful dimension of support for women navigating the cognitive shifts that so often accompany this life stage.
Grounded in both traditional Ayurvedic practice and emerging research, this cognitive benefit speaks to the broad-spectrum support that has made ashwagandha such an enduring cornerstone of botanical medicine—and such a considered choice for perimenopause.
The bottom line
Perimenopause is rarely one symptom. It's the accumulation of small shifts—in how you sleep, how you feel under pressure, how clearly you think, how well you recognise yourself on any given day. Which is why the ingredients we choose to support this transition matter, and why we look for evidence that goes beyond the general.
KSM-66® Ashwagandha is one of those ingredients. With a research library that spans stress, mood, sleep and cognitive function—and a clinical trial specifically in perimenopausal women—it's an adaptogen for perimenopause that earns its place in a dedicated formula. Not because it promises to fix everything, but because it supports the body's own capacity to navigate change with a little more steadiness.
That's what we had in mind when we formulated our soon-to-be-released perimenopause support blend—and clinically-studied KSM-66® Ashwagandha is at the centre of it.

