Dirty Genes® by Dr. Ben Lynch

Most popular MTHFR and other genes book

Easy to read, covers several genes, valuable info on how to handle.

Great resource

Digestable, thorough, helpful information

Optimal Health

This book is very informative & provides alot of essential information on health & nutrition, along with proper supplementation. It's a must read for all who want to reach their optimal level of health & nutrition.