Not only do Costco members receive 42 ounces of infant formula under the Kirkland Signature brand, but this purchase includes two packages of formula. This comes out to getting 84 ounces — a ...

Kirkland Signature is now central to Costco's ( COST) earnings firepower, generating about $86 billion in annual sales to ...

Selling everything from baby formula to luxurious Kirkland Champagne, the brand silently dominates different markets at once and represents a massive share of Costco's profits. Even the most loyal ...

According to its own website, the company behind Kirkland Signature’s infant formula is none other than Perrigo, a consistently-lauded brand of formula. With the exorbitant amount of money that ...

Costco markets everything from baby formula to batteries under ... rumors of being made by the high-end vodka brand Grey Goose. Considering Kirkland vodka costs less than half the price of Grey ...

Costco’s $86 billion Kirkland Signature brand went against industry standards when it was launched in 1995. WSJ breaks down why the private label is now the retail behemoth’s secret weapon.