which l carnitine is better liquid or pill Gold: 5 Benefits of Liquid You Can't Ignore – NutraBio Brands L-Carnitine Tartrate
Description
People following vegetarian or vegan diets may find L-Carnitine supplementation particularly beneficial because plant-based foods contain lower natural Carnitine levels

However, no drug containing both substances has received FDA approval

Selenium (50 mcg): a trace mineral that supports normal thyroid function and metabolism

Patient-facing language you can use Try this phrasing: "L-carnitine is usually safe but may affect your thyroid medicine or other drugs

2006 Dec 1;98(11):1538-41
