By Russell Browne (Dip. Adv. Nut.) · Specialist in Genetic Nutrition & Methylation Protocols

How to Balance Your Homocysteine the Right Way – The Genetic Advantage is a plain-English guide to one of the most talked-about markers in genetic nutrition: homocysteine. It explains what homocysteine is, which genes influence it, why a blood test matters more than a genotype alone, and how to approach the topic sensibly — making it an ideal companion to your variant report.

What the book covers

Homocysteine sits at the centre of the methylation cycle, and several common gene variants are studied in relation to it — including MTHFR (C677T and A1298C), MTR and MTRR, CBS, and BHMT. This book walks through, in everyday language, what homocysteine does in the body, how these genes connect to it, the role of folate, vitamin B12 and vitamin B6, and why homocysteine is something you measure rather than predict from DNA. Rather than a one-size-fits-all formula, it gives you the understanding to have a more informed conversation about your own results.

Who it’s for

It’s written for anyone who has come across “homocysteine” alongside their MTHFR or methylation results and wants to understand what it actually means — and for readers who want the clear version rather than the alarmist one. If you’ve read our MTHFR or homocysteine pages and want the whole topic in one place, this is it.

A note on how to use it

This book is an educational resource, not a diagnosis or a treatment plan. Common gene variants shift relative likelihoods rather than determining your health, and homocysteine is influenced by many factors beyond any single gene. The most useful approach is to build your understanding, get your homocysteine measured with a blood test, and review anything meaningful with a qualified practitioner who can consider your individual picture. The book pairs naturally with a variant report: the report shows what you carry, and the book helps you understand how it fits together.

Explore the topic on our site

Prefer to browse first? See MTHFR and Homocysteine: What the Research Shows, What is MTHFR?, MTHFR C677T, MTR & MTRR, and CBS.

Get your own variant report

Your existing 23andMe or AncestryDNA raw data file already contains the relevant markers — no new test needed. Pair the book with your own results:

Order or view your report · Find a practitioner

About the Author

Russell Browne (Dip. Adv. Nut.)
Specialist in Genetic Nutrition & Methylation Protocols

Russell Browne is a qualified practitioner of Advanced Nutrition, Advanced Herbalism, and Homeopathy, with a specialized clinical focus on genetic nutrition, methylation pathways, and detoxification. With years of dedicated clinical experience helping patients decode complex chronic health issues, Russell is the author of the Genetic Advantage series — ten books on genetic wellness — and is committed to bridging the gap between complex genetic data and practical, root-cause clinical care.

Read Russell’s Full Professional Profile & Clinical Credentials
View the full Genetic Advantage book series