Calories in Starbucks Siren’s Blend get searched most often by people who just bought the bag and want to know what a home-brewed cup adds up to. As a whole bean coffee, Siren’s Blend itself carries essentially no calories on its own before anything is added.
The figures shown on the nutrition card reflect how the product is tracked in the Starbucks system, not a literal calorie count for a plain black cup brewed at home. If you drink it black, the real number is close to zero, and it only climbs once you add milk, cream, or sweetener.
For other bagged coffee options, the Gold Coast Blend is worth a look too. Full nutrition figures for Siren’s Blend are below.
Siren's Blend Nutrition Facts
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Siren's Blend
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Long-Term Health Impact
After 1 Week
Drinking a daily Grande Siren's Blend adds 2142 calories to your week — about 412 minutes of brisk walking to offset.
After 1 Month
Over a month, that's 9180 calories — roughly 2.6 lb of potential weight gain if it isn't offset by activity.
After 1 Year
Over a year, a daily Grande Siren's Blend totals 111690 calories and 12.6kg of sugar — equivalent to about 1117 miles of jogging to burn off.