STANDARDS

Pure formulations.
Total control.

REIN takes its name from the German for pure. Here is what that means in practice: what’s on the label, where it’s made and how it’s tested, set out so you can check it.

See every doseRead the certificates of analysis
Active ingredients
7 across two formulas
Doses on the label
Every ingredient
Made in
The United Kingdom
Certification
BRCGS
Certificate of analysis
Published

FORMULATION

Every dose on the label.

Each ingredient is listed with its dose and the mechanism it serves. Nothing sits in an undisclosed blend.

LAYER 01 · REIN FOUNDATION

Foundation KSM-66

Daily resilience starts here.

KSM-66® Ashwagandha, full-spectrum root extract
500mg per capsule
Directions
1–2 capsules daily
Supply
90 capsules · 90 days at one a day, 45 days at two
Made
UK · GMP
Certification
BRCGS
  • Stress Response Support
  • Deep Recovery & Sleep Quality
  • Adaptive Regulation
View Foundation

LAYER 02 · REIN CELLULAR

Cellular Synergy™ Formula

Six ingredients. Three mechanisms. One NAD+ optimisation system.

NAD+ SYNTHESIS

NMN (β-Nicotinamide Mononucleotide)
500mg
Trimethylglycine (Betaine Anhydrous)
600mg
Vitamin B12 (Methylcobalamin)
150µg

NAD+ PROTECTION

Quercetin Dihydrate
300mg

LONGEVITY ACTIVATION

Trans-Resveratrol
120mg
Pterostilbene
120mg

DIRECTIONS

Daily
3 capsules
Supply
90 capsules · 30 days

MANUFACTURING

Made
UK · GMP
Certification
BRCGS
  • Energy
  • Cognition
  • Cellular Repair
  • Cellular Defence
View Cellular

MANUFACTURING

How it’s made.

01

Made in the UK

Both formulas are manufactured in the United Kingdom.

02

GMP certified

Both formulas are made in the UK to GMP standards.

03

BRCGS certified

Certification: BRCGS.

04

Certificate of analysis

Published for each formula.

05

Vegan capsules

Cellular uses plant-based HPMC capsules.

CERTIFICATES OF ANALYSIS

Check what’s in the bottle. Every ingredient, every dose.

Cellular Synergy™ FormulaFoundation KSM-66

EVIDENCE

The research, ingredient by ingredient.

What each ingredient is studied for, and where to read the research.

REIN CELLULAR · 500mg

NMN

A direct NAD+ precursor. Research-dosed at 500mg to support age-related NAD+ decline.

REIN CELLULAR · 150µg

Vitamin B12

Superior bioavailability. Optimises NMN conversion efficiency through methylation support.

REIN CELLULAR · 600mg

TMG

A methyl donor that supports the methylation pathways the body draws on when using NMN.

REIN CELLULAR · 300mg

Quercetin

A CD38-modulating polyphenol studied for its role in NAD+ preservation.

REIN CELLULAR · 120mg

Pterostilbene

A high-bioavailability stilbene studied within NAD+ and sirtuin research.

REIN CELLULAR · 120mg

Trans-Resveratrol

A research-grade sirtuin-pathway polyphenol, studied alongside NMN for cellular support.

REIN FOUNDATION · 500mg per capsule

KSM-66® Ashwagandha

A clinically studied full-spectrum root extract, designed to support everyday stress resilience and recovery.

DIRECTIONS

How to take each formula.

FORMULADirectionsSupply
Cellular Synergy™ FormulaTake three capsules daily, ideally in the morning or between meals. Or take all three together in the morning.90 capsules · 30 days
Foundation KSM-66One or two capsules daily.90 capsules · 90 days at one a day, 45 days at two

DELIVERY AND GUARANTEE

Delivery and guarantee.

UK
delivery only, Royal Mail Tracked 48
Free
delivery on your first order, on orders over £50, and for life on subscriptions
60 days
money-back guarantee

Stay in your prime.
For longer.

Precision-formulated. Research-driven. Uncompromising.

Take the reins of your prime