
L-Theanine
Calm, focused attention, and the amino acid that takes the jitter out of caffeine.

£35.00
The most clinically studied ashwagandha extract, at the full 600mg dose the trials actually use.
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Transparent LabsKSM-66 AshwagandhaWhat are you hoping to improve?
Pick a goal and we’ll tell you, honestly, whether KSM-66 Ashwagandha is the right fit, or what would suit you better.
Ashwagandha is the adaptogen the modern research keeps returning to, a centuries-old root with a genuinely contemporary evidence base for lowering perceived stress, softening cortisol and helping the nervous system find a lower gear without dulling you. The extract is what matters, and KSM-66 is the gold standard: a full-spectrum root extract used in more clinical trials than any other, dosed here at the 600mg the studies are built on rather than a fraction of it.

Calm, focused attention, and the amino acid that takes the jitter out of caffeine.

An adaptogen for mental stamina, the one to reach for when fatigue, not anxiety, is the problem.

The evening form of magnesium: highly absorbed, gentle on digestion and carried by naturally calming glycine.
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Ashwagandha is the adaptogen the modern research keeps returning to, a centuries-old root with a genuinely contemporary evidence base for lowering perceived stress, softening cortisol and helping the nervous system find a lower gear without dulling you.
The extract is what matters, and KSM-66 is the gold standard: a full-spectrum root extract used in more clinical trials than any other, dosed here at the 600mg the studies are built on rather than a fraction of it.
Transparent Labs keep the formulation honest, a root-only extract with no proprietary hand-waving, so you know exactly what you are taking and why it should work.
A daily anchor for calm and steadier focus that pairs well with L-theanine by day and with magnesium as part of a wind-down by night.
Ashwagandha is the adaptogen the modern research keeps returning to, a centuries-old root with a genuinely contemporary evidence base for lowering perceived stress, softening cortisol and helping the nervous system find a lower gear without dulling you.
The extract is what matters. KSM-66 is the most clinically studied ashwagandha, and Transparent Labs dose it at the full 600mg the trials use, root-only, with no proprietary hand-waving.
Clinically shown to lower perceived stress and soften cortisol, helping the nervous system find a lower gear while keeping you clear-headed.

One capsule daily with food.
Take in the morning for daytime calm, or evening to wind down.
Give it two to four weeks, adaptogens build gradually.
If you feel wired or restless, take less, or take a break.
The aim is steadiness, not stimulation.
An expert-led talk on adaptogens, cortisol and the daily practices that help you meet pressure on better terms.
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Overall Sentiment
5 months ago
I started taking this about a month into a particularly brutal stretch at work — back-to-back deadlines, poor sleep, the lot. After about three weeks I genuinely noticed I was reacting to stressors differently. Not sedated, just... less reactive. Hard to quantify but it's real. Will keep going.
5 months ago
Takes a few weeks to kick in but once it does you notice the difference. Sleep is deeper, mornings feel less grim.
5 months ago
I'm a runner and during peak marathon training I find my sleep suffers and my mood dips. A friend recommended this and I've used it for two cycles now. Recovery feels smoother and I'm less wired in the evenings after long runs. Not a magic fix but it genuinely seems to take the edge off the stress load.
6 months ago
I've been taking this for about six weeks and the effects on sleep quality have been noticeable. My only gripe is the capsule size — they're on the bigger end and I do have to concentrate a bit when swallowing. Minor thing, but worth knowing if that's an issue for you. Would still recommend.
6 months ago
Swapped from a cheaper supermarket version and the difference in how I feel after consistent use is noticeable. I think the extract quality really does matter here.
7 months ago
I was sceptical about adaptogens in general — felt like wellness marketing — but I gave this an honest eight-week trial. The main thing I noticed was that I was less prone to that afternoon cortisol spike feeling, and my sleep felt more restorative. No drowsiness, no side effects. Good value at this price point too.
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