Category: Labs & Testing

What ferritin measures, normal vs optimal ranges, causes of low and high ferritin, and next steps, explained by a Maryland naturopathic doctor.

Common heavy metal exposures (mercury, lead, cadmium, arsenic, aluminum and more), how they are tested, food-first support and when chelation is medical.

How to measure progress on keto: weighing yourself, body fat measurements (calipers, BIA), waist size, and non-scale changes like energy, sleep and mood.

Why leaky gut is hard to diagnose, and the tests sometimes used, from lactulose-mannitol and stool analysis to calprotectin, zonulin and breath tests.

How to read food labels for hidden gluten, dairy, soy, corn and sugar, with the alternative ingredient names to watch for on packaged foods.