Free guide · 14 pages

How to choose a blood test: six questions to ask before you buy

Every blood test is sold on two numbers: how many markers you get, and what it costs. Neither tells you whether you'll end up with answers. Six questions do, and the order matters.

Which markers matter, and which just pad the list
Finger-prick or venous, and when each is right
The same result, two verdicts: standard range and optimal range
What to ask before you pay, so the report tells you what to do first

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Start with question one. It decides what the other five mean.

The six questions, in the order I'd ask them

Lou Nicholettos, Founder of Performance Health

If we haven't met, I'm Lou

I'm a Functional Medicine Physio. I help active people over 40 work out why they feel older than they should, and get themselves back.

I've spent 21 years with the complicated cases, and I've read a lot of blood results that people paid good money for. The ones that left them none the wiser had plenty of markers. What they didn't have was anyone reading those markers for that person, or telling them what to do first. This guide is the six questions I'd ask before I paid for a test.

Six questions, before you spend a penny

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