For those with no experience of helminths
The questionnaire is here.

The Experienced User of Helminths
If you have used helminths for long enough that you do not need any advice or counsel, if all you need is a dose at an address, then please fill in this form so we can keep track of your address, and dosing history, so that if you decide to reorder doing so is easy and so we do not provide you with an unhealthy quantity of organisms. If you select this option and you want and detailed advice then I will charge for it, see our pricing page for details. Working out where to send and when a package does not constitute advice.

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