One age you can't change. The other, you can. Here's what biological age is, and why it's worth knowing yours.

It's the question I get asked most, and the honest answer is: it depends. Here's what to know before you reach for a supplement.

For years, homocysteine was viewed almost exclusively as a cardiovascular risk marker. If it was high, it raised concern for heart disease. If it sat within the reference range, it was often overlooked.

Not everything needs to be optimised. My smoothie didn't get the memo. Wild blueberries, sulforaphane, creatine, sea moss — and a reason for every single one.

Your B12 came back “normal”. By whose standard? Here’s why I look further than the standard test.

I have slow COMT, a CYP1A2 variant and a serious coffee addiction. Here's what that's taught me about caffeine and anxiety.

Got a direct-to-consumer report with thousands of SNPs? More isn’t always better. Here’s why I use 3X4 — and what it showed me about my own health.