No Fillers • No GMOs • No Gluten • No Dairy • No Soy
The Foundation. Add Your Own 9 & 12
An unmethylated, Glycine-base for core B-vitamin support. Designed for precise protocol management.
The Optimiser. Without the B6 Risk.
Metabolic support specifically for those managing neuropathy or concerned about B6 accumulation.
Pharmaceutical-Grade Standards.
UK Sourced and Manufactured in an ISO Class 8 cleanroom. This climate-controlled environment, featuring 20 complete air changes per hour, ensures our supplements are created to the highest standards for purity and safety.
FETTYL comes from the Old English word fettle, meaning a state of health.
Created by someone living with Hashimoto’s and pernicious anaemia for whom B complexes are a lifelong necessity.
The philosophy is simple: if they’re daily essentials, they must be of the highest quality.
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Why Glycine?
Read moreGlycine is known for its calming, anti-inflammatory properties. It also supports immune modulation and thyroid function, which is why it’s central to our formula.
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Why Avoid B6?
Read moreUnlike most water-soluble vitamins, B6 can build up in the body, and in some people, that can lead to nerve sensitivity or damage over time. We leave it out for good reason.
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Why No B9 & B12?
Read moreFolate and B12 are important, but not everyone processes them the same way. We leave them out to better support sensitive systems and individual needs.
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Feeding Futures
Read moreFor every product we make, we fund a week of meals for a child in Malawi - through our partnership with Nourish Fund.
