Private label and contract supplement manufacturing

Leicester-made private label supplements, labelled for each market

British VitaTech makes private label supplements for premium wellness brands in our Leicester facility: capsules, tablets, softgels, gummies, powders, sachets and stick packs, liquids, functional drinks and functional pouches. We take each one from formulation to finished, labelled stock for the UK, the EU and the US, in packaging developed for its formula. Every batch is tested by accredited partner laboratories and released by quality control. You receive the finished product specification, stability data and a claims review for each market, and a certificate of analysis and batch release confirmation with every batch.

Your own formula or a custom one under your label

Private label supplements carry your brand on a product made for you. The question that matters is whose formula sits inside. At British VitaTech, bespoke development leads: we make your own formula under your label, or develop a custom formula for you, and either way the brand owns it. As a UK contract manufacturer, we take on programmes larger than ourselves with our partner network of laboratories and ingredient suppliers.

Brands are outsourcing more of the work. Capstone Partners' Vitamins and Supplements M&A Update (June 2026) reports growing use of contract manufacturers as brands outsource formulation, flavourings, manufacturing and packaging to reach market faster, without building facilities, and to offer formats such as powders, liquids, chewables and gummies. Retailer brands are gaining across the shelf: Circana data published by PLMA show US store brands reaching a record 23.5% unit share in 2025, up from 21.6% in 2021, across all products rather than supplements alone. When the shelf fills with own label, your formula becomes your point of difference.

Private label, white label and custom compared

When you compare private label supplement manufacturers, ask which of these three routes you are buying.

Private label and custom meet in the middle: a brand can bring a formula and ask us to improve its taste, dose or stability. We lead with ownership, because a formula you own is a product you control.

Custom formulation

Custom formulation starts from your customer and the evidence, not from a catalogue. Our R&D team matches each ingredient's form and dose to the human studies behind it, screens every ingredient for novel food status in-house against the public registers, and checks which claims each market allows before the first bench sample. Form decides dose and format: magnesium oxide carries far more magnesium per gram than magnesium bisglycinate, so the same magnesium dose from bisglycinate needs a larger fill, which changes capsule count, sachet size and taste. Bench samples, blind sensory panels, a pilot batch and stability in the final pack follow. R&D is a paid stage that can be included with an order of the right size. We scope it before work begins. See how our research and development team works.

How a private label project runs, gate by gate

Private label and custom projects run through the same eight stages, with your sign-off at every gate.

1. Brief and mutual NDA. We agree the customer, format, markets, claims and positioning, and sign a mutual NDA before you share a formula.
2. Screening. We check every ingredient's novel food status, permitted forms and amounts, and the claims each market allows.
3. Formulation. We review and document your formula, or develop a custom one, in a scoped R&D stage.
4. Samples. Bench samples go through blind sensory work, and you approve the sample and the finished product specification.
5. Stability. Pilot product goes on stability in the final pack to set the shelf life you print.
6. Labels for each market. We review claims, mandatory statements and artwork for the UK, the EU and the US.
7. First production. Materials come from suppliers approved before use, and the batch is released by quality control against its specification.
8. Launch and repeat orders. Repeat batches run to the same specification, and we track rule and evidence changes for your ingredients.

Owning the formula is what makes private label yours

Your formula is yours. Whether you bring a formula or we develop one with you, the formula, its specification and the data behind it belong to your brand, and we never sell it or offer it to anyone else. In private label, ownership is what separates your product from a label on someone else's formula. Read how formula ownership works.

Already selling a product made elsewhere? We match it from your own specification, prove equivalence and review every label before first production. Read how moving your supplements to a new manufacturer works.

Tests, formats and labels from your supplement contract manufacturer

Testing and documents

Every batch is released by quality control against its specification, and nothing is dispatched without quality control sign-off. Labels are verified on every batch as the critical control point in our HACCP study. Suppliers are approved before any material is used, we run an allergen management plan, and we keep three retained samples per batch for shelf life plus one year. Every batch is tested by accredited partner laboratories (ISO/IEC 17025) as part of every order, for identity, active content and contaminants set per product and market, and gummies get an active assay on every batch as standard, as our page on testing and batch release explains.

Specifications follow the law and official guidance. As of October 2026, GB maximum levels for food supplements are 3.0 mg/kg for lead and 0.1 mg/kg for mercury, and European Commission guidance expects vitamins to stay within plus 50% and minus 20% of the declared value through shelf life, so we set overages and stability targets that keep your product inside that range until its best before date. You receive the documents that prove your product: the finished product specification, raw material specifications, stability data, a certificate of analysis and batch release confirmation for every batch, and a claims review for each market.

Marketplaces ask for this evidence. As of October 2026, Amazon's US store requires dietary supplements to be verified through a third-party testing, inspection and certification (TIC) organisation, and TikTok Shop's US rules for dietary supplements ask for a recent test report from an approved laboratory. We make products for Amazon US and TikTok Shop US and prepare the documents they ask for; Amazon's US GMP verification needs a third-party 21 CFR 111 audit, which we plan around each US programme.

British VitaTech is ISO 9001, HACCP and GMP certified by BSI, and FDA registered. BRCGS implementation under way, certification expected in early 2027. The certificate scopes are on our quality and accreditations page.

Formats, packaging and the categories we cover

We make capsules, tablets, softgels, gummies, powders, sachets and stick packs, liquids, functional drinks and functional pouches in-house in Leicester. Capsules, gummies, pouches and liquids are GMP certified. Start with capsule and tablet manufacturing, or compare every option, from powders and drink mixes to gummies, in our guide to supplement formats.

We develop and supply the packaging for every product we make, from bottles, jars and tubs to pouches, sachets and stick packs, with closure, liner and desiccant chosen for your formula and confirmed in stability. Every unit carries its batch code and best before date.

Categories run from sports nutrition, gut health and healthy ageing to sleep and stress, women's health, beauty from within and cognitive health. Each has its own evidence, claims and regulation to watch, set out across the supplement categories we develop.

Labels for every market

Your brand is responsible for its label. As of October 2026, in GB and the EU, responsibility sits with the business whose name the food is sold under or, where that business is based outside the market, with the importer. A GB brand selling into the EU therefore needs an EU-established operator or importer on pack, and an EU brand selling into GB needs one in the British Islands. We build each label to its market, and our guide to claims, evidence and regulation by market has the detail:

• GB: sold as a "food supplement", with the names of the nutrient or substance categories, the amount of each, the recommended daily portion, a warning not to exceed the stated recommended daily dose, a statement that food supplements should not be used as a substitute for a varied diet, and a statement that the product should be stored out of the reach of young children. Health claims come from the GB nutrition and health claims register, with its conditions of use, and we use the register's exact wording.
• EU: the same mandatory statements, claims from the EU Register with their conditions of use, and a model of the label for national notification wherever a member state requires one.
• US: a Supplement Facts panel, your name with a phrase such as "Manufactured for" or "Distributed by", and structure/function claims carrying the FDA disclaimer, with FDA notified after first marketing.

We never use medicinal claims, and every regulatory check is dated.

Plans agreed after screening, with six commitments to your brand

We publish no timescales. Each project depends on its formula, materials, testing and markets, so we agree the plan with you after screening. We commit to:

• A scoped R&D stage, agreed before work begins
• Your sign-off at every gate: sample, specification, label and first batch
• No change to your formula without your written approval
• Every batch released by quality control against its specification
• Regulatory checks for each market, dated and repeated when the rules change
• Documents that belong to your brand: specification, stability data and claims review

Bring us your formula or your brief. Start your project.

References: Directive 2002/46/EC on food supplements (2002); Food Supplements (England) Regulations 2003 (2003); Regulation (EU) No 1169/2011 on food information to consumers (2011); Regulation (EC) No 1924/2006 on nutrition and health claims (2006); Regulation (EC) No 1881/2006 on contaminants in food (2006); 21 CFR Part 101, US food labelling rules (2026); Capstone Partners, Vitamins and Supplements M&A Update (2026); PLMA and Circana, US store brand sales (2026).