Guides
Practical guides for brand owners and product developers: formats, fill weights, gummy bases, labels and the rules in the UK, the EU and the US. Each guide is sourced and dated, and links to the pages that go deeper.
Nutrient reference values (NRVs) and maximum levels: a UK and EU reference
Every UK and EU nutrient reference value, the 15% significant amount, EFSA upper levels and where maximum levels for vitamins and minerals stand as of October 2026.
Vegan (HPMC) or gelatine capsules: how to choose
How to choose between HPMC, pullulan and gelatine capsules: moisture, cross-linking, release testing, oxygen barrier, acid resistance, diet and faith fit, and the rules.
Supplement label requirements in the UK, EU and US
What a supplement label must carry in Great Britain, the EU and the US as of October 2026: mandatory statements, % NRV versus % DV, claims, addresses, warnings and a checklist.
Launching a supplement brand: what to decide before you brief a manufacturer
How to start a supplement brand: the decisions to make before you brief a manufacturer, and the UK, EU and US steps to launch, as of October 2026.
How to choose a supplement manufacturer: the questions to ask
The questions to ask any supplement manufacturer, and how to check the answers: certificates and scope, FDA registration, BRCGS grades, batch testing, recalls and formula ownership.
White label, private label or custom: which route suits your brand
White label, private label or custom: who owns the formula, who answers for the label, and how to choose the route that suits your brand, with a comparison table and a checklist.
Capsules, tablets, softgels or gummies: choosing a format
How supplement brands choose between capsules, tablets, softgels and gummies: dose per unit, ingredient behaviour, stability, market data and the rules that apply.
Pectin or gelatine gummies: how to choose
How pectin, gelatine and starch gummies differ in set, texture, heat stability, actives, sugar-free options, certification and rules, with a decision table for supplement brands.
Capsule sizes and fill weights: a formulator's guide
Capsule sizes from 000 to 5, how to calculate fill weight from powder density, and worked examples for magnesium, vitamin D3, a botanical extract and creatine.