noun
unbranded goods; no-brand products
Refers to products sold without a brand name, often generic or store-brand items.
スーパーで無印商品を買うと、少し安くなる。
Buying unbranded goods at the supermarket is a little cheaper.
ノーブランド品 is a more direct loanword equivalent, while 無印商品 is a native compound often used in retail contexts.
プライベートブランド (private brand) refers specifically to store-brand products, which are a subset of 無印商品.
Compound of 無印 (no mark/brand) and 商品 (goods/product).