“Natural Means Safe” — The Flaw

A woman at a consultation desk with several unlabelled bottles placed in front of her

“Natural Means Safe.” This assumption is the quiet foundation under a lot of supplement decisions. It rarely gets stated outright, which is part of why it goes unexamined. The clearest evidence against it comes from liver clinics.   The number The US Drug-Induced Liver Injury Network has prospectively enrolled cases since 2004. The proportion of … Read more

A Baseline Nutritional Assessment Panel

A woman at a dining table sorting through several printed result sheets spread in front of her

The phrase implies a list of tests(baseline nutritional assessment) to request. The evidence points somewhere different, and the correction is worth making before anything else. Routine nutrient screening in average-risk adults is not recommended. What’s recommended instead is narrower, cheaper, and mostly already sitting in a drawer.   The correction first Taking vitamin B12 as … Read more

Common Drug-Supplement Interactions

A woman at a kitchen table with an open weekly organizer and a handwritten list

Most interaction advice arrives as a list of things to avoid. That framing is incomplete, and in one important case it’s backwards. Understanding the three mechanisms behind these interactions makes the advice easier to apply — and explains why the standard rule for one common medication is not “avoid” at all.   Three mechanisms, not … Read more