Part 4: Glycine, the simplest amino acid, is considered conditionally essential in man. Inadequate amounts can impair those functions that are glycine-dependent such as: production of collagen, elastin, porphyrins for hemoglobin and cytochrome P450s, bile salts, purine bases, and glutathione; for de... [More]

Part 3: Vitamin B12 insufficiency is common, especially in people 55 or older, vegetarians, or anyone on acid blocking medication. At Metametrix, we look at MMA in urine to evaluate B12 need. Serum B12 has a low predictive value for actual vitamin B12 deficiency. Elevated MMA identifies B12 as insuf... [More]

Mitochondria are the powerhouses of cells. They generate energy from the fats, carbohydrates, and proteins that we eat. The Organix test evaluates how well our mitochondria make energy from foods. When your patient presents with fatigue, weight loss resistance, overweight, or metabolic syndrome, thi... [More]

Since we have been focusing on toxicity the past few months, I wanted to share one last article written by Dr. Crinnion on dangerous chemicals that have been banned for some time – chlorinated pesticides. The most famous pesticide, DDT, has been banned since the 1970s, but can be found in ever... [More]

You may be thinking I am really scraping the bottom of the barrel to be blogging about dentures, but when you finish reading this post you will be thinking, “WOW, I didn’t know that!” Approximately 35 million Americans, mostly elderly, wear dentures. They naturally are concerned a... [More]

Part 7 - With so many tests available to clinicians, I can't help but think how overwhelming it can be for them to determine which one is the best for their patients. My conversation with Dr. Crinnion led me to ask for his suggestions on testing for toxic exposure, and his answer migh... [More]

Part 6 - The endocrine system is another major target of environmental compounds. Did you know this system directly affects fertility and reproduction? Dr. Crinnion shares a story about the research Dr. Theo Colborn did, where she showed that the decline of the animal population in the Great Lakes a... [More]