The RAIN Wellbeing Lab

The Lab is the heart of our brand — our centre of research, testing, and formulation excellence. Every formulation begins with two questions: What do people need? And What does the research say? From there, we build with intention to create products that don’t just sound good — they work. That means grounding every decision in science, botanical knowledge and validated dosages. 

Our Lab exists to ensure that every RAIN formula delivers on its promise: powered by nature, backed by science, made with integrity and built for high performance.

Advisory Board

To ensure our formulations remain at the forefront of scientific innovation, we collaborate with a multidisciplinary board of experts across neuroscience, functional medicine, and botanical formulation. These experts guide our product, validate our approach, and challenge us to go deeper.

Amanda Henson

BA (Hons) Marketing, CIM Adv Dip. Adv Dietary Supplements Advisor (L5)

Formulations Specialist & Scientific Advisor  

Amanda leads our formulation strategy, ensuring each blend is structurally sound, synergistic, and aligned with the latest research in adaptogens and functional mushrooms.

Marie Guerlain

BSc (Hons), NT, ND, mBANT, rCNHC


Functional Medicine Specialist & Nutritionist  

Marie brings a systems‑based approach to wellbeing, advising on ingredient synergy, nutritional integrity, and long‑term health impact.

Inder Virdi

BA (Hons) BSc MSc


Neuroscientist & Cognitive Health Specialist  

Inder guides our work in cognitive performance, neuroprotection, and stress physiology — ensuring our formulas support the brain with precision and scientific depth.

Syreeta Fonso

B Media (Hons), Adv Dip PT (L3)


Head of RAIN Lab, Performance Psychology & Brand Credibility

Syreeta leads RAIN Lab’s vision through the lens of performance psychology, human behaviour, and everyday wellbeing. Currently completing her MSc in Sports Psychology.

Our Formulations

Nature, Elevated by Science

We work exclusively with functional mushrooms, adaptogens, and botanicals that have demonstrable benefits. Every ingredient is chosen for its impact on energy, focus, mood, stress response, and sleep quality.

Clinically Relevant Potency & Best in Class Ingredients

We use active compounds at the levels shown to make a difference — never diluted. Our mushrooms and adaptogens are sourced from trusted growers and extraction partners who share our obsession with purity and bioavailability. Each formula is calibrated for measurable, felt results that support our customers through the demands of modern life. RAIN Wellbeing products delivery potency you can feel.

A Focus on Synergy Over Simplicity

Our blends are designed to work with the body’s natural rhythms — enhancing clarity in the day, emotional ease in the evening, and deep restoration at night. Each formula is built with intentional synergy, not random combinations.

Ethical Manufacturing

Every batch is produced in certified facilities that uphold strict quality, safety, and environmental standards. We test for potency, purity, and contaminants at multiple stages.