Specifications, documents and formulation notes for buyers of bulk extracts, vitamins and minerals in Europe.
Why magnesium bisglycinate must be dosed as elemental magnesium, how to calculate the amount of chelate per serving and what to check on the specification before you label a product.
Read the guide →How to dose vitamin D3 at 100,000 IU per gram in tablets, capsules and dry premixes, how to calculate the inclusion rate and how to handle the powder safely.
Read the guide →How to specify turmeric extract for private label capsules and tablets: curcuminoid content by HPLC, the role of black pepper in a blend and the points to agree with your manufacturer.
Read the guide →How to read a withanolide specification for ashwagandha extract, why the HPLC method matters and what to check on the certificate of analysis before you buy.
Read the guide →Lion's mane extract is sold as a polysaccharide standard or as a ratio extract. How to read each specification, what to ask for and how to compare offers.
Read the guide →A 10:1 extract and a 95% extract describe different things. How to read each specification, compare offers fairly and choose the right one for your formula.
Read the guide →A practical checklist of the documents purchasing and quality teams should request before approving a bulk extract and each lot.
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