How High-Quality Wellness Products Are Formulated: Inside Rheal’s Evidence-Based Approach

Published March 27, 2026

How High-Quality Wellness Products Are Formulated: Inside Rheal’s Evidence-Based Approach

Inside Rheal’s science-led process, from clinically backed ingredients to rigorous testing - delivering wellness products you can trust!

 

 

Choosing high-quality supplements and wellness products can be challenging.

The wellness industry has grown rapidly in recent years. Today there are thousands of powders, capsules, drinks and supplements promising to support everything from energy and immunity to sleep, focus and gut health.

But while the number of products has increased, quality can vary significantly.

Some products are carefully formulated with research, expertise and high-quality ingredients. Others are not - containing under-dosed ingredients, unnecessary fillers, additives or forms of nutrients the body struggles to absorb.

This is why formulation matters.

At Rheal, every product is developed with a clear purpose: combining carefully selected ingredients with nutritional expertise to create formulas that genuinely support our customers’ everyday wellbeing.

These principles guide everything we create - from nutrient-dense superfood blends to targeted capsules and hydration formulas.


Meet our Lead Nutritionist: Natasha Draycott

Rheal’s formulations are guided by our Lead Nutritionist, Natasha Draycott, who works alongside our product development team to ensure every formula is grounded in evidence-based nutrition and scientific research to ensure the highest quality for our customers.

Natasha has over eight years of clinical experience working with clients and using supplements in practice. Seeing first hand how people respond to different nutrients, forms and doses provides valuable insight that goes beyond theory alone.

Alongside her clinical experience, Natasha is completing an MSc in neuroscience, with extensive time spent reviewing clinical trials and scientific literature to support a research led approach to formulation.

Natasha’s clinical experience and scientific research helps ensure that Rheal products are designed not just to look good on paper, but to support real-life health outcomes.

The philosophy behind Rheal formulations

At Rheal, formulation begins with a simple principle:

Every ingredient must have a purpose.

Rather than creating complex formulas filled with unnecessary ingredients, the focus is on selecting ingredients that contribute meaningfully to the product’s intended function.

This philosophy helps keep formulations:

  • clear
  • effective
  • transparent

It also reflects our core belief that wellness should be simple and accessible.

Instead of overwhelming routines or long stacks of supplements, our products are designed to support everyday health through small daily habits that fit naturally into real life.

 

How Ingredients Are Researched and Selected

Selecting ingredients is one of the most important parts of product development.

When evaluating potential ingredients, the Rheal team considers a combination of:

  • scientific research
  • traditional use
  • nutritional benefits
  • safety data
  • ingredient sourcing and quality

Clinical research plays an important role in this process. The team reviews available studies to understand how ingredients may support specific areas of health when used consistently.

At the same time, many functional ingredients also have long histories of use within traditional wellness systems.

Plants such as ashwagandha, baobab and medicinal mushrooms have been valued for centuries for their nutritional and functional properties. Combining this traditional knowledge with modern research helps provide a deeper understanding of how these ingredients can support wellbeing.

 

Why Ingredient Synergy Matters

A key part of formulation is understanding ingredient synergy. Wellness formulas are rarely about single ingredients alone.

Nutrients often work best when combined in ways that support one another.

For example:

  • B vitamins often work better together
  • Vitamin D and vitamin K2 support calcium metabolism together
  • Probiotics with prebiotic fibres work together to help beneficial bacteria survive and thrive in the gut.

These interactions and combinations are carefully considered during formulation, and each ingredient interaction is reviewed to ensure both safety and effectiveness.

This principle applies across the Rheal range - from superfood blends that provide broad nutritional support to targeted capsules such as Brain+, Night Reset and Pre + Probiotic.

 

Why Dosage Matters More Than Marketing

In clinical nutrition there is a phrase often used when reviewing supplements, called “fairy dusting”.

This refers to formulas that include small amounts of many ingredients purely for marketing purposes, but at doses too low to provide any meaningful benefit.

While these ingredient lists may appear impressive, the product itself may not deliver noticeable results.

At Rheal, we took a different approach. Each ingredient is included for a specific reason and at doses that align either with clinical research or with levels that help prevent deficiency.

When determining dosages, the team considers:

  • recommended daily intake levels
  • clinical research
  • safety ranges
  • long-term nutritional support

 

Sourcing High-Quality Ingredients

Ingredient sourcing is another essential part of the development process.

Ensuring quality, sustainability and transparency from suppliers is a key focus for the team. Where ingredients come from - and how they are grown, harvested and processed - can significantly influence their nutritional integrity.

Rheal works with carefully selected suppliers who prioritise traceability, quality assurance and responsible sourcing.

Many ingredients used in Rheal formulas are supplied by partners who conduct their own research and maintain rigorous quality standards.

For example:

  • Affron saffron in Night Reset has been studied in several clinical trials exploring its effects on mood and sleep.
  • Minerals such as calcium and magnesium are sourced from Aquamin®, a sea derived mineral complex with extensive clinical research supporting its efficacy and quality.

Herbal ingredients and adaptogens require particular care when sourcing, as the botanical market can vary in quality. Additional steps were taken to ensure the purity and authenticity of these ingredients, including responsibly sourced adaptogens and nutrient rich botanicals such as ashwagandha, baobab and medicinal mushrooms.

 

Why Third-Party Testing Matters

Every Rheal product undergoes third-party testing to ensure safety, purity and consistency.

Independent testing helps confirm that products are free from contaminants such as heavy metals and toxins. While this level of testing is not legally required for supplements, Rheal believes it is an essential step in maintaining quality and transparency.

Rheal products were designed with real life in mind. The range includes nutrient dense superfood blends created to support areas such as immunity, gut health, skin health and hormonal balance. Targeted capsules such as Brain+, Night Reset and Pre + Probiotic have been developed to support specific areas of health, while hydration products are formulated to support energy, focus and hydration throughout the day.

At Rheal, powerful nutrition should be simple, transparent and grounded in real science. Every formula is developed with purpose, so when you build your daily routine you can feel confident in the ingredients supporting your health.

 

From Concept to Final Formula

Developing a new Rheal product is a collaborative process involving nutritionists, product developers and manufacturing partners.

Typically, the process includes:

  1. Identifying a health need or area of support
  2. Researching ingredients and scientific evidence
  3. Developing formulation concepts
  4. Reviewing clinical data and safety guidelines
  5. Testing usability, flavour and product experience
  6. Conducting quality checks and independent testing

This process ensures the final formula reflects both nutritional science and real-life usability.

 

Designed for Real Life

These formulation principles guide every product across the Rheal ecosystem.

From nutrient-dense superfood blends designed to support daily nutrition, to targeted capsules supporting focus, sleep and gut health, and hydration formulas created to support energy and recovery.

Each product is designed with one goal in mind: making it easier to support your health through simple daily habits.

 

Why Formulation Integrity Matters

Choosing high-quality wellness products means understanding how they are developed.

Thoughtful formulation, meaningful dosages, responsible sourcing and independent testing all play an important role in creating products that genuinely support wellbeing.

At Rheal, powerful nutrition should be simple, transparent and grounded in real science.

Every formula is developed with intention - combining carefully sourced ingredients, nutritional expertise and thoughtful formulation.

So when you build your daily routine, you can feel confident in the ingredients supporting your health.