Despite my best efforts to avoid gluten, results from some recent blood work highly suggested that I was still being exposed to gluten on a regular basis. I'm militant about what I eat to the point where I no longer eat anything outside of my own home. Because of this, I realized that a hidden source of gluten must be from one or more of the supplements or medications I use. While most supplements claim to be gluten free, many are manufactured in shared facilities where cross contamination is a real possibility. This was highlighted in a recent study by Columbia University where 55% of the probiotics they tested had detectable levels of gluten.

I have decided that I will test every single supplement and medication that I currently use or that I've used in the past. This post will be updated over time when I have new results to share. Every positive result means that the sample contained at least 10 ppm of gluten.

There are limitations to the test I'm using and a negative result does not mean that the product in question is completely free of gluten.

RESULTS

Jarrow Vitamin B5 (Pantothenic Acid)
Test date: 11/7/2015
Result: Positive

Vitacost Vitamin B5 (Pantothenic Acid)
Test date: 10/25/2015
Result: Positive | Positive (tested twice)

Thorne Basic Nutrients 2/Day
Test date: 8/6/2015
Result: Positive | Positive (tested twice)

Designs for Health Complete Multi
Test date: 8/6/2015
Result: Positive | Positive (tested twice)

Life Extension Two Per Day Capsules
Test date: 7/28/2015
Results: High Positive | Positive (tested twice)

Life Extension Tri Sugar Shield
Test date: 7/28/2015
Result: Positive

Vitacost Selenium (200 mcg)
Test date: 11/7/2015
Result: Negative

Solaray Copper (2 mg)
Test date: 11/7/2015
Result: Negative

Bulletproof Collagen Protein
Test date: 10/25/2015
Result: Negative

Advanced Orthomelecular Research Probiotic 3
Test date: 10/25/2015
Result: Negative

Jarrow PQQ (20 mg)
Test date: 10/24/2015
Result: Negative

Vitacost CoQ10 (100 mg)
Test date: 10/24/2015
Result: Negative

Solaray Magnesium Glycinate
Test date: 10/24/2015
Result: Negative

Klaire Labs VitaSpectrum Capsules (No Iron, No Copper)
Test date: 8/9/2015
Result: Negative

Life Extension Decaffeinated Mega Green Tea Extract
Test date: 8/6/2015
Result: Inconclusive - likely negative

Prescript Assist
Test date: 8/6/2015
Results: Negative

Renew Life Ultimate Flora - Critical Care
Test date: 7/28/2015
Result: Negative

Sun Pharma Modalert (Modafinil)
Test date: 7/28/2015
Result: Negative

Cipla Metfor (Metformin)
Test date: 7/28/2015
Result: Negative

Jumex Selegiline
Test date: 7/28/2015
Result: Negative