Welcome to FAQs.

Answers to the most frequently asked questions about our products and services can be found here. To get started, select a category below or use the search to find what you are looking for.

There has been lots in the press recently about Vitamin D toxicity. How do you know that 2,000 i.u. isn’t a dangerous daily dosage level?

We stand by our dosing of 2,000 i.u./daily serving and is within the range of many leading medical experts and clinical institutions.

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To celebrate International Women's Day, we'll donate £25 from the sale of every Starter Kit to the Prince's Trust today.