Manufacturing & Quality Standards

UK-made. GMP standards. BRCGS AA-certified facilities. Independently tested.

You want supplements you can trust. We make that simple. Every Supp formula is developed by our team and produced in the UK in GMP-standard, BRCGS for Food Safety (AA grade) certified facilities under our specifications. Batches are released against specification under BRCGS systems, with accredited independent testing used for ongoing verification.

Made in the UK to GMP standards

GMP standards: Controlled environments and in-process checks for consistency across every run.

BRCGS AA certified facilities: Production takes place in facilities certified to BRCGS for Food Safety (AA grade). A GFSI-benchmarked standard.

Independent testing: We run periodic third-party tests (metals, microbiology, key actives) and make results available for verified batches.

Traceable ingredients: Full batch traceability with Certificates of Analysis (CoAs) available on request.

Clean labels: Straight-talking ingredients and no unnecessary additives.

Our quality process

Formulation & specification

We design evidence-led formulas, choose ingredient forms, and set tight specifications for raw materials and finished products.

UK GMP-standard manufacturing

Specialist facilities in the UK manufacture to our specifications, following Good Manufacturing Practice with in-process checks for weight, fill and uniformity.

Quality assurance & verification

Each batch is checked against spec under BRCGS systems; independent third-party tests are performed routinely for verification and risk-based spot checks.

Release & traceability

Only batches meeting spec are released; retention samples and stability monitoring maintained.

FAQs

Where Supp products made?

All Supp products are manufactured in the UK in GMP-standard, BRCGS for Food Safety (AA grade) certified facilities under our specifications and quality oversight.

What does “GMP” mean?

Good Manufacturing Practice (GMP) is a quality system covering people, premises, equipment and process controls to help ensure products are made consistently and safely.

What is BRCGS AA?

BRCGS for Food Safety is a globally recognised, GFSI-benchmarked standard. An AA grade reflects top-tier audit performance for hygiene, process control and traceability at the facility.

Are our products suitable for vegans or vegetarians?

Many of our products are, but not all. Vegan/vegetarian status is shown on each product page and clearly labelled on the product. If you have dietary restrictions, please review the ingredient list and allergen statement.

Do we add fillers or artificial additives?

We never use unnecessary additives. Where functional excipients are needed (e.g. for flow or stability), we list them clearly on the label and product page.

More information

Our ingredients
Here, we publish every ingredient we use. With composition, what it’s for, safety & interactions, and quick FAQs, so you can choose confidently.

About us
Founded in Sheffield’s Kelham Island by Toby and Olivia, Supp exists to make nutrition smart, simple and effective.