STRESS RELIEF, HORMONAL BALANCE & BETTER SLEEP
30-day supply
Key Benefits
Reduces cortisol and eases the stress response
Supports hormonal balance across the cycle and perimenopause
Promotes restful sleep and calms anxiety
Supports focus, memory, and resilience
Wellness Goals
Recommended Dose
500mg
Take one 500mg capsule daily. For stress and sleep support, take in the evening with dinner. For athletic performance, take in the morning. Full effects typically develop over 4-8 weeks of consistent use. Look for standardized root extract (like KSM-66 or Sensoril).
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The Details
Ashwagandha is having a moment — and for good reason. This adaptogenic root has more high-quality clinical evidence behind it than almost any other herbal supplement. Multiple randomized controlled trials have shown it significantly reduces cortisol levels (the stress hormone), with one study showing a 30% reduction in just 60 days.
For women specifically, the evidence is strong where it matters most: stress, sleep, and hormonal balance. A 2019 randomized trial found ashwagandha significantly reduced perceived stress and serum cortisol in women over 8 weeks. A 2020 study in women showed improvements in overall quality of life, including sexual function and menopausal symptoms. In PCOS, ashwagandha has been studied for its ability to reduce stress-driven androgen excess and improve mood — a common pain point for anyone navigating hormonal acne, irregular cycles, or PMS fatigue.
For sleep, ashwagandha works differently than sedatives. It doesn't knock you out — instead, it addresses the root cause of poor sleep for many women: elevated cortisol and an overactive stress response. By calming the HPA axis, it helps your body transition naturally into restful sleep. The name "somnifera" literally means "sleep-inducing" in Latin.
This is one of the few herbs that supports you across life stages — from cycling in your 20s and 30s, to the hormonal shifts of perimenopause, and into menopause.
Research
Key studies supporting Ashwagandha, from peer-reviewed journals.
Does ashwagandha supplementation have a beneficial effect on the management of anxiety and stress? A systematic review and meta-analysis of randomized controlled trials — 2022
Effect of ashwagandha (Withania somnifera) extract on sleep: a systematic review and meta-analysis — 2021
Effects of ashwagandha (Withania somnifera) on physical performance: systematic review and Bayesian meta-analysis — 2021
Study titles are simplified for readability. Provided for informational purposes — not medical advice.
Transparency
Every batch is independently tested by ISO-17025 accredited labs for purity, potency, and contaminants.
Designed by healthcare professionals using evidence-based research and clinical expertise.
Manufactured in cGMP & UL certified, FDA-registered facilities with a flawless inspection record.
Important Information
Contraindications
Not suitable for
Not recommended for those with autoimmune thyroid conditions (Hashimoto's, Graves') or those taking thyroid medication. Avoid during pregnancy.
As with any natural health product, consult your healthcare practitioner. Store in a cool, dry place. Keep out of reach of children. Discontinue use immediately if you experience an adverse event.
What people say
Really good supplement brand. The daily pack format is so convenient and I've been 100% consistent because of it. The quiz was genuinely thorough. Knocked one star off because I'd love the option to add or remove individual supplements as I learn more about my body.
I've tried so many supplements and honestly nothing has worked like this. The quiz is actually thorough and the results show it. Energy is UP, recovery is UP, sleep is SO much better. Can't believe it took me this long to find this brand.
Three weeks in and I already feel the difference. My morning energy is COMPLETELY different. No more dragging myself out of bed. The personalization through the quiz is what makes it work — it's not just a generic multivitamin. Stack actually thought about what MY body needs.
I've been on a health optimization journey for about three years and have tried what feels like every supplement brand on the market. Most of them are either generic multivitamins dressed up in pretty packaging, or they're so specific that you need to be a nutritionist to understand what you're actually taking. Stack sits in a completely different category. The quiz is the first thing that impressed me. It asks genuinely intelligent questions — not just 'how old are you and what's your gender' but questions about your diet, your sleep patterns, your stress levels, your exercise frequency. It felt like a real consultation rather than a data collection exercise. The pack that arrived was clearly personalized to my answers. After six weeks, the improvements have been consistent and measurable: better sleep quality, more stable energy throughout the day, and noticeably faster recovery after my runs. My partner commented that I seemed more 'on' in the evenings rather than crashing after dinner. The daily pack format is brilliant for compliance — I've been 100% consistent because the habit is so frictionless. One pack, done, every morning. No bottles, no measuring, no forgetting half of them. Genuinely one of the best health investments I've made.
My focus at work has been sharper and I'm waking up without that groggy feeling I used to have every morning. Told two friends about Stack already. Customer support was also really helpful when I had a question about one of the ingredients.
honestly wasn't sure about it at first but three weeks in and i'm so glad i tried it. energy is way better, i'm sleeping properly for the first time in months. the quiz was really detailed which gave me confidence it was actually personalized. would 100% recommend.
Personalized for you
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