amino acids, fatty acids, ION, organic acids, vitamins »

[17 Jan 2013 | 5 Comments]

Is taking a diet history a good way to evaluate nutrient status? Many clinicians think it is. While I believe it a good tool for public health assessment of a specific population, and can be helpful in some situations for individual assessment, if you suspect... [More]

amino acids, estrogens, hormones, organic acids, vitamins »

[28 Sep 2012 | 11 Comments]

A single test doesn’t tell us everything about methylation status so many clinicians use more than one test. For example, if homocysteine is normal it doesn’t mean that all systems are “go” when it comes to methylation. It’s a good sign, but it isn’t the end of the story. This blog-post will discuss how... [More]

amino acids, estrogens, hormones, organic acids, vitamins »

[4 Sep 2012 | 10 Comments]

Having arrived at Metametrix from a research laboratory setting, all the functional-medicine talk of “methylation” had me confused. What’s so special about methylation? There’s a methyl group (-CH3) on every organic compound! So what if it’s being transferred around?... [More]

vitamins »

[27 Mar 2012 | 10 Comments]

We are all familiar with the concerns about folate deficiency and we want to make sure everyone has enough folate to avoid neural tube defects, poor pregnancy outcomes, and cancer. Folic acid has been promoted by public health departments and... [More]

amino acids, fatty acids, genetics, vitamins »

[9 Mar 2012 | 4 Comments]

“Come and get it!”…(Insert ringing dinner bell HERE.) March has been declared National Nutrition Month by the Academy of Nutrition and Dietetics, in honor of one our nation’s favorite pastimes—food! Let’s use this celebration as a time to refocus our attention from stampeding the table for a delicious meal, to the… [More]

vitamins »

[24 Oct 2011 | 4 Comments]

Vitamin B12. Don’t you love it? The pretty, bright red color? Sublingual or liquid B12 often has a tasty cherry flavor to match its natural color, making it fun to look at and to take... [More]

fatty acids, gut microbial ecology, vitamins »

[1 Sep 2011 | 0 Comments]

Think about it, our gut is on the clock 24 hours a day, 365 days a year. It’s charged with the important task of constantly sampling our internal milieu and ensuring our health while maintaining an inventory of all the food, beverages, medications, and environmental... [More]