At NADIOL, our commitment to quality is rooted in personal experience. Founder and Professional Athlete, Saul William spent years searching for supplements that met the standards his body and performance demanded. Time after time, he found products with vague labels, questionable purity, and exaggerated claims. Frustrated by the lack of transparency in the industry, he set out to create a supplement brand built on trust, integrity, and scientific rigour.
NADIOL doesn’t manufacture products in-house — and we’re proud of that. Instead, we work exclusively with carefully selected manufacturing partners who meet the highest global benchmarks for safety, quality, and ethical practices.
We take full responsibility for what we sell. Every partner we work with is independently certified, and every ingredient we use is third-party tested to ensure it meets our strict standards for identity, purity, and potency.
We handle the due diligence, so you don’t have to — giving you complete peace of mind that the supplements you’re taking meet the highest standards of quality.
Our manufacturing partners are audited and certified to the following international standards:
Our partners are members of the British Contract Manufacturers and Packers Association, which upholds professional standards across health supplements, nutraceuticals, and wellness products.
The British Retail Consortium (BRC) Global Standard is one of the world’s most recognised food safety benchmarks — ensuring consistent quality, legal compliance, and consumer protection.
GMP-certified facilities follow strict protocols to ensure every product is made with high quality, safety, and consistency from batch to batch.
A globally recognised food safety system that identifies, evaluates, and controls potential hazards during production — protecting consumers from contamination or risk.
Products are manufactured in compliance with Islamic dietary laws, making them suitable for consumption by Muslim customers worldwide.
This global quality management certification ensures that every part of the production process is controlled, documented, and continually improved.
We ensure that all active ingredients used in NADIOL products are independently tested by accredited third-party laboratories for purity, identity, and safety — giving you confidence in what goes into every capsule.
Sedex certification confirms ethical business practices — including labour rights, health and safety, environmental impact, and business integrity in the supply chain.
We are registered with the Information Commissioner’s Office (ICO), meaning your personal data is handled in compliance with UK GDPR and data protection laws.
INDUSTRY WARNING : What Supplement Labels Aren’t Telling You
At NADIOL, we believe consumers deserve complete transparency — especially when it comes to their health. Unfortunately, the supplement industry often operates under regulations that allow for misleading practices many people aren’t aware of.
Supplements Are Regulated as Food, Not Medicine
In the UK, EU, and U.S., supplements are legally classified as foods, not pharmaceuticals. This means:
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Manufacturers are not required to prove product effectiveness before going to market.
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There is no legal obligation to disclose the exact amount of active ingredients unless they choose to.
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Brands are allowed to use broad or potentially misleading product names — even if the active ingredient is only a small part of the formula.
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Misleading, Yet Legal
These labelling rules create major gaps in consumer protection. For example:
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A supplement marketed as “NMN” may legally contain as littles as 10% actual NMN, with the rest made up of fillers — and still be labelled as NMN.
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Olive oil labelled as “extra virgin” may be blended with sunflower or rapeseed oil and still be sold legally under the name Olive Oil.
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In both cases, the customer believes they are buying a pure, premium product — but they’re often not getting what they paid for.
At NADIOL, we believe that’s not good enough. That’s why we go beyond the legal minimum to ensure honesty, quality, and full ingredient transparency in everything we do. All our supplements contain 100% Active Ingredients without binders, fillers or bulking agents.