Toilet paper, clothing, clothes soaps, and foods, etc., etc., etc. I
buy a lot of generic products, which are made by brand name companies, with the same ingredients. Its the advertising of the "Brand Name" products that is where the high cost comes from. Generics don't carry the "Brand Name" on it nor is it advertised, therefore cost are lower.
Nearly everyone can take synthetic levothyroxine. It is identical to the body's own T4 .