Support for your busiest days

Support calm focus and steady energy

Formulated with high-purity Ashwagandha KSM-66® and a Tri-Magnesium complex, CortiSoul supports the normal function of your nervous system.

The ultimate stack

With L-Theanine and Glycine, a powerhouse duo known for their incredible properties. Reinforced by Reishi Mushroom, traditionally linked with relaxation and commonly referred to as the ‘chill mushroom’.

Replenish from within

Vitamin C contributes to the protection of cells from oxidative stress, while Vitamins B6 and B12 support normal energy-yielding metabolism and hormonal regulation, helping you restore valuable nutrients from the inside-out.

More from each sip

With support from BioPerine®, a concentrated Black Pepper Extract (without that ‘black pepper taste’).

How to use

Workday Wind Down: 3pm - 6pm, ending your day as good as you started it.
Workday Wind Down: 3pm - 6pm, ending your day as good as you started it.
When You Need a Moment to Yourself: Daily rhythm, reset ritual, foundation for balance.
When You Need a Moment to Yourself: Daily rhythm, reset ritual, foundation for balance.
Great Zero Alcohol Alternative: We’re not saying we’ve reinvented the ‘pornstar martini’, but CortiSoul is certainly not standing in the way of good vibes and times.
Great Zero Alcohol Alternative: We’re not saying we’ve reinvented the ‘pornstar martini’, but CortiSoul is certainly not standing in the way of good vibes and times.

Rooted in science. Made for you.

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Glycine

A naturally occurring amino acid and collagen component.

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Vitamin C

Contributes to the normal formation of collagen, which supports your cartilage and skin.

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Magnesium

Contributes to normal functioning of the nervous system and maintenance of psychological functions. 

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KSM-66® Ashwagandha

Clinically-studied and known for its use in traditional wellness practices.

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Reishi Mushroom

Rich in triterpenoids and often referred to as the “calm mushroom” for its grounding properties.

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L-Theanine

An amino acid found in green tea, known for promoting calm focus without drowsiness.

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Vitamin B6 and B12

Contribute to normal energy-yielding metabolism and support your immune system.

Frequently Asked Questions

Just mix one heaped teaspoon (8g) with 300ml of cold water, once a day. Enjoy it during your wind-down ritual, post-gym recovery reset or when you just need a moment to reset.
There’s no one-size-fits-all answer. CortiSoul is designed to work around your routine, whether it’s to cure 3pm slumps, post-meeting resets or just to calm the chaos.
CortiSoul isn’t a quick fix, it’s a daily ritual. Over time you can feel calm knowing you've got the best ingredients in CortiSoul - it’s the consistency that counts.
Yes, CortiSoul is designed for daily use. With ingredients that reduce fatigue and support normal psychological function, it’s safe and formulated to help you feel your most calm - day in and day out.
One serving a day is all you need. If you feel you need extra support or have any specific health questions, it’s best to check in with your healthcare provider.
CortiSoul pairs well with most daily routines. However, as it contains Magnesium we don’t recommend doubling up with other Magnesium supplements. If you're taking medication or managing a health condition, have a chat with a medical professional first.
Yes, 100% caffeine-free. No buzz, no crash, just calm.
CortiSoul is entirely made with plant-based ingredients.
As with all supplements, it’s always best to check in with your doctor or midwife. Every pregnancy is unique, and they’ll be able to guide you based on your personal needs.

The reviews you see here are collected from verified customers via third-party platforms including Loox and Amazon. They reflect the genuine experiences and personal opinions of individual users and are not influenced, moderated, or edited by Free Soul. Reviews are pulled directly from these platforms and appear automatically without manual selection or filtering. While we love hearing how our products support your lifestyle, any health or product-related claims mentioned in reviews are not endorsed by Free Soul and should not be considered medical advice.

*This Black Friday offer is valid until 11:59pm on Monday 1st December 2025. Customers will receive 25% off their first subscription order, with 20% off all subsequent deliveries thereafter. Free delivery applies to first subscription purchases made during the promotional period, and is always available on orders over £35. A free mystery gift will be automatically added to the cart with any subscription purchase, limited to one mystery gift per order. If your order includes a bundle that already contains a free gift, you will receive both the bundle’s free gift(s) and the Black Friday mystery gift. Offer valid while stocks last. This promotion can be used in conjunction with other active offers and promotions.

Our name CortiSoul is rooted in listening to the women who shape our products.

“Corti” references the organ of hearing, a nod to how we listen to our community. Through our Designed by Her programme, women shared their needs and experiences, guiding the development of this product.

“Soul” ties back to Free Soul, and to the women whose voices inform our future. It also reflects the deeper intention behind the blend: supporting a sense of inner balance and wellbeing, typically believed to be related to your soul.

The name is figurative and brand-led, expressing a journey from the outer layer (cortex/root) to the inner self (soul). It does not refer to cortisol, hormones, or medicinal action, and does not claim to prevent or treat disease.