Go back
Go back
KSM-66 Ashwagandha®
KSM-66 Ashwagandha®
KSM-66 Ashwagandha®
KSM-66 Ashwagandha®

KSM-66 Ashwagandha®

£27.00 GBP
Taxes included.
5.0
Rated 5.0 out of 5 stars
5.0 / 5

REIN Foundation™ features clinically studied KSM-66® Ashwagandha in a high-strength, full-spectrum root extract. Each serving provides 1,000 mg of pure KSM-66® — designed to support everyday stress resilience, recovery, and performance.
EMPTY DOM REMOVE PROTECTOR
EMPTY DOM REMOVE PROTECTOR
EMPTY DOM REMOVE PROTECTOR
EMPTY DOM REMOVE PROTECTOR
Just a few left. Order soon.
Made in the UK
GMP Certified
BRCGS Lab Tested
GMP Certified
60 Days Risk-Free Trial
EMPTY DOM REMOVE PROTECTOR
EMPTY DOM REMOVE PROTECTOR
EMPTY DOM REMOVE PROTECTOR
CoA - Certificate of Analysis

Royal Mail 48 Tracked Delivery

1000 mg KSM-66 Ashwagandha Extract

Pure Performance. Total Control.

Benefits & Insights

Stress Response Support

Foundation™ is designed to help support your everyday response to stress and mental focus — creating the conditions for sustained energy and recovery. This is where performance control begins.
Deep Recovery & Sleep Quality

Engineered for better rest.

Foundation™ is designed to support quality sleep and recovery after daily stress — so you can wake focused, composed, and ready to perform.
Adaptive Regulation

Stress can disrupt balance. Foundation™ is designed to help you stay balanced under pressure — the base layer for long-term performance.
Everyday Drive & Wellbeing

By supporting balanced energy and wellbeing, Foundation™ is designed to support everyday drive and performance — naturally and sustainably.
Resilience & Output

Foundation™ is designed to help you adapt to daily physical and mental demands — supporting endurance, recovery, and consistent performance.

The Foundation of Your Performance

REIN FOUNDATION™ provides 1,000 mg of clinically studied KSM-66® Ashwagandha — a full-spectrum extract designed to support everyday stress resilience and recovery. This research-backed formula is designed to help you stay balanced and composed under pressure, creating the conditions for consistent performance and wellbeing. Take the reins of your foundation — the first step toward complete performance control.

Get Yours Today
5.0
Rated 5.0 out of 5 stars
Based on 3 reviews
Total 5 star reviews: 3 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
Write a Review (Opens in a new window)
3 reviews
  • AP
    Alex P.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    3 months ago
    Excellent product & website

    The quality of the capsules are good, easy to swallow and excellent results so far with the 500mg x

    Was this helpful?
  • PC
    Peppe C.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    10 months ago
    Really good quality

    Really good quality products and great supplements! Worth it to try!

    Was this helpful?
  • AR
    Andreas R.
    Verified Buyer
    I recommend this product
    Rated 5 out of 5 stars
    10 months ago
    Game changer

    I’ve been taking Rein for a few weeks now, and as I always do when trying a new supplement, I paused all others to accurately assess its effects. Without a doubt, Rein is the most effective ashwagandha complex I’ve ever tried.

    Was this helpful?

Frequently asked questions

How long does shipping take?

Shipping typically takes 3-7 business days, depending on your location. Expedited shipping options are available at checkout.

Where do you ship?

We currently ship within the United Kingdom.

How can I track my order?

Once your order is shipped, you’ll receive a tracking number via email to monitor its progress.

You may also like
View all

Science & Insights
Visit Blog