
Adrenal Cortex
Glandular support for the system that carries you through demanding, depleting stretches, made to clinical standard.

£20.00
An adaptogen for mental stamina, the one to reach for when fatigue, not anxiety, is the problem.
ThorneRhodiola RoseaWhat are you hoping to improve?
Pick a goal and we’ll tell you, honestly, whether Rhodiola Rosea is the right fit, or what would suit you better.
Where ashwagandha calms, rhodiola lifts. This Arctic root is the adaptogen for fatigue, the depleted, can't-quite-focus tiredness that follows sustained pressure. It supports mental stamina and a clearer head without the spike and crash of a stimulant. The active rosavins and salidroside do the work, and Thorne standardise the extract to a meaningful concentration, so each capsule is consistent rather than a guess.

Glandular support for the system that carries you through demanding, depleting stretches, made to clinical standard.

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

The most clinically studied ashwagandha extract, at the full 600mg dose the trials actually use.
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Where ashwagandha calms, rhodiola lifts. This Arctic root is the adaptogen for fatigue, the depleted, can't-quite-focus tiredness that follows sustained pressure. It supports mental stamina and a clearer head without the spike and crash of a stimulant.
The active rosavins and salidroside do the work, and Thorne standardise the extract to a meaningful concentration, so each capsule is consistent rather than a guess.
It is a clean, single-herb formulation from a brand clinicians rely on, with no stimulants and nothing to pad it out, designed for the demanding days rather than every day forever.
Reach for it when energy and focus flag under load. It complements adrenal cortex and L-theanine for steady, resilient cognition.
Where ashwagandha calms, rhodiola lifts. This Arctic root is the adaptogen for fatigue, the depleted, can't-quite-focus tiredness that follows sustained pressure. It supports mental stamina and a clearer head without the spike and crash of a stimulant.
Thorne standardise the extract to a meaningful concentration of the active rosavins and salidroside, so every capsule is consistent. A clean, single herb with no stimulants and nothing to pad it out.
Supports mental stamina and a clearer head under sustained pressure, easing the depleted tiredness that follows a heavy stretch, without a stimulant's crash.
One capsule in the morning on an empty stomach.
Best on demanding or high-fatigue days.
Avoid late in the day, it can be subtly energising.
If you feel wired or restless, take less, or take a break.
The aim is steadiness, not stimulation.
A talk on burnout, recovery and the difference between resting and genuinely restoring a tired system.
See our next stress talk
Overall sentiment
4 days ago
Gentle on a sensitive stomach, and I feel like myself again. I had tried two other glandulars before this and neither sat right.
1 week ago
I was sceptical about glandulars, but my mid-afternoon crash has genuinely eased. One capsule with breakfast and I forget about it.
2 weeks ago
Not a stimulant, which is exactly what I wanted. It took about ten days, then I realised I wasn’t dreading the afternoon any more.
3 weeks ago
Bought after a blood panel flagged a flat cortisol curve. Easy to take, no jitters, and the sourcing is refreshingly transparent.
1 month ago
Training hard through a stressful stretch and this has helped me bounce back between sessions. Already on my second bottle.
1 month ago
No frills, one ingredient, a sensible dose. I appreciate that it is designed to be used for a season rather than forever.
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