Costco Kirkland Blueberry Muffin Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 muffin (212g); per 100 g: 50.5g net carbs, 326 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
How many carbs are in costco kirkland blueberry muffin?
Costco Kirkland Blueberry Muffin — 1 muffin (212g) — has 107.1g net carbs: 110g total carbs minus 3g fiber, plus 10g protein, 22.9g fat, and 691 calories. Per 100g that is 50.5g net carbs (51.9g total carbs, 1.4g fiber) and 326 calories. That makes costco kirkland blueberry muffin high in net carbs and higher than the typical fast-food item, which averages about 26.2g net carbs per 100g. At this carb count, costco kirkland blueberry muffin is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Is costco kirkland blueberry muffin keto-friendly?
Costco Kirkland Blueberry Muffin is generally not keto-friendly. 1 muffin (212g) is 107.1g net carbs (110g total carbs − 3g fiber); per 100g that is 50.5g net carbs. On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Keeping an eye on carbs in costco kirkland blueberry muffin?
Costco Kirkland Blueberry Muffin runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 muffin | 107.1g | 110g | 10g | 691 |
| 100 g (3.5 oz) | 50.5g | 51.9g | 4.7g | 326 |
| 1 oz (28 g) | 14.1g | 14.5g | 1.3g | 91 |
How many calories are in costco kirkland blueberry muffin?
Costco Kirkland Blueberry Muffin — 1 muffin (212g) — has 691 calories, with 10g protein, 22.9g fat, and 107.1g net carbs. Per 100g: 326 calories and 50.5g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 326 |
| Total carbs | 51.9g |
| Net carbs | 50.5g |
| Fiber | 1.4g |
| Sugar | 27.8g |
| Sugar alcohols | 0g |
| Protein | 4.7g |
| Fat | 10.8g |
| Sodium | 292mg |
| Potassium | 0mg |
Source: Manufacturer-reported values (bread-grains). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in costco kirkland blueberry muffin?
- Costco Kirkland Blueberry Muffin (1 muffin, 212g) has 110g of total carbs and 107.1g of net carbs. Per 100 grams: 51.9g total, 50.5g net.
- How many net carbs are in costco kirkland blueberry muffin?
- Costco Kirkland Blueberry Muffin has 107.1g of net carbs per 1 muffin (212g) — 110g total carbs minus 3g fiber.
- Is costco kirkland blueberry muffin keto-friendly?
- Costco Kirkland Blueberry Muffin is generally not keto-friendly. 1 muffin (212g) is 107.1g net carbs (110g total carbs − 3g fiber); per 100g that is 50.5g net carbs. On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in costco kirkland blueberry muffin?
- Costco Kirkland Blueberry Muffin (1 muffin, 212g) has 691 calories; that is 326 calories per 100 grams.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.