Store-brand ibuprofen and Advil are the exact same drug. Same active ingredient, same dosage, same FDA regulation. One costs eight dollars. The other costs four. I am going to walk you through which generics are literally identical to the name brand and which ones you should still pay full price for.

There is a concept in manufacturing called “private labeling” or “white labeling” where the same factory produces the same product and puts different labels on it. Some store-brand products come off the exact same production line as the name brand. Others are different formulas made to look similar.

Literally Identical — Buy Generic Every Time

Over-the-counter medications: The FDA requires generic drugs to have the same active ingredient, same strength, same dosage form, and same route of administration. Store-brand ibuprofen is ibuprofen. Store-brand acetaminophen is acetaminophen. Store-brand allergy meds (cetirizine, loratadine) are the exact same molecules. Check the Drug Facts label on the back — compare active ingredients between the name brand and the generic. If they match, they are identical. The only differences are the fillers and binders, which affect nothing medically.

Baking soda: Sodium bicarbonate is sodium bicarbonate. The Arm & Hammer box costs twice as much as the store brand. They pour out of the same chemical vats.

Bleach: Sodium hypochlorite solution at the same concentration. Clorox and the store brand are chemically identical. Check the concentration percentage on the label to confirm.

Basic spices (single ingredient): Store-brand garlic powder, onion powder, cinnamon, black pepper — these are just the ground spice with nothing added. The name-brand jar costs two to three times more for the same thing. One exception: vanilla extract. Cheap vanilla extract is often imitation vanilla (vanillin from wood pulp) labeled to look like real extract. Read the ingredients. If it says “vanilla bean extractives,” it is real. If it says “artificial flavor,” it is not.

Milk: In most states, store-brand milk comes from the same regional dairies as the name brand. The only difference is the carton. Some people swear they can taste a difference — that is either the fat percentage or psychology.

Not Identical — Worth Paying for the Name Brand

Paper towels: Bounty is genuinely more absorbent than most store brands. If you use a lot of paper towels, the name brand can be cheaper per use because you use fewer sheets. I tested this by spilling a measured amount of water and counting how many sheets it took to clean up. Bounty: two sheets. Store brand: four sheets. The cost per spill was the same.

Dish soap: Dawn cuts grease better than any generic I have tried. The difference in cleaning power is noticeable. A bottle of Dawn lasts me longer than a bottle of generic because I use less per dish.

Laundry detergent: Tide is engineered with better enzymes and surfactants. Consumer Reports consistently ranks Tide at the top and most generics near the bottom. If your clothes are not heavily soiled, generic is fine. If you have kids, pets, or a dirty job, Tide is worth the premium.

Trash bags: Generic trash bags rip. Hefty and Glad have better seam strength and thicker plastic. A ripped trash bag leaking garbage juice onto your floor is not worth the fifty cents you saved.

The One-Month Test

If you are not sure about a product, buy the generic once. If it performs the same, switch permanently. If it does not, you lost a few dollars and now you know. I did this with thirty household items over a year. About two-thirds of the generics were just as good. The other third I went back to name brand. The ones that are literally identical — medications, baking soda, basic spices, bleach — those are free money.