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A cup is 8 fl oz. Standard strength is 13 g of coffee per cup, from the Specialty Coffee Association Golden Cup ratio of 55 g per liter. Mild is 11 g and strong is 15 g. A month is 30 days.
First Impressions
Colombian Supremo is Costco’s everyday medium roast in a 3 lb bag. Kirkland keeps the description short: full of aroma, 100 percent Colombian, with the flavor of freshly roasted coffee.
What’s in the Bag
Every bean in the bag comes from Colombia. Supremo is a size grade, not a flavor. Green coffee importers sort Colombian beans by screen size, and Supremo is the largest grade, one step above Excelso.
Costco lists the roast as medium and the bag as Kosher certified and caffeinated. Kirkland does not name the farms, the processing method or the roaster, and it publishes no roast or body scores.
Drawbacks
- Kirkland gives almost no detail about the beans: no region inside Colombia, no process, no roast date on the listing.
- Amazon had no seller for the Kirkland listings in September 2026, so Costco is the only reliable place to buy it.
- Three pounds of whole bean coffee is a lot for one drinker. Keep the bag sealed between uses.
Who It Is For
Colombian Supremo suits people who want a plain medium roast from one country at a bulk price. The 3 lb bag fits an office or a household that goes through coffee fast.
Colombian Supremo is one of several Costco coffees we have tried. See our pick of the best coffee at Costco, updated as the stock changes with the seasons.
How to Brew It
Kirkland publishes no brew guide for Colombian Supremo, so match the grind to your brewer.
Where to Buy Colombian Supremo Coffee
- Check Costco's price
Costco
Common Colombian Supremo Coffee questions
What is Kirkland Signature Colombian Supremo coffee?
Kirkland Signature Colombian Supremo is Costco's house brand medium roast whole bean coffee, made entirely from Colombian beans. It is Kosher certified and caffeinated. Costco sells it in a 3 lb bag, item 120296, in warehouses and on Costco.com with 2-day delivery, which does not reach Hawaii or Puerto Rico.
What's the difference between Colombian and Colombian Supremo?
Colombian Supremo is Colombian coffee sorted to the largest bean size. Green coffee importers grade Supremo as beans that stay on a screen with holes 17/64 of an inch wide, one step above Excelso. The grade measures bean size only. It does not promise a better taste than other Colombian coffee.
How much caffeine is in Kirkland Colombian Supremo?
Kirkland does not publish a caffeine figure for Colombian Supremo. The FDA puts a typical 8-ounce cup of brewed coffee at 80 to 100 mg of caffeine, which is the best guide for Kirkland Colombian Supremo brewed at home. A stronger ratio or a larger mug raises the total.
Does Costco sell Kirkland Colombian Supremo?
Costco sells Kirkland Signature Colombian Supremo as a 3 lb whole bean bag, item 120296. Costco.com shows the price only to logged-in members. The Kirkland listings on Amazon had no seller in September 2026, so Costco is the only reliable place to buy the 48-ounce bag.
Is Kirkland Colombian Supremo coffee any good?
Kirkland Colombian Supremo is a sound everyday coffee for people who want a medium roast from a single country at warehouse prices. It is 100% Colombian and Kosher certified, and the 3 lb bag suits heavy drinkers. Fans of light, fruity specialty roasts will find it plain.
