Costco Kirkland Blueberry Muffin (Jumbo Bakery) Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 muffin (~164g / 5.8 oz), 164g; per 100 g: 42.1g net carbs, 371 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 (jumbo bakery)?
Costco Kirkland Blueberry Muffin (Jumbo Bakery) — 1 muffin (~164g / 5.8 oz), 164g — has 69g net carbs: 71g total carbs minus 2g fiber, plus 8g protein, 32g fat, and 608 calories. Per 100g that is 42.1g net carbs (43.3g total carbs, 1.2g fiber) and 371 calories. That makes costco kirkland blueberry muffin (jumbo bakery) 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 (jumbo bakery) 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 (jumbo bakery) keto-friendly?
Costco Kirkland Blueberry Muffin (Jumbo Bakery) is generally not keto-friendly. 1 muffin (~164g / 5.8 oz), 164g is 69g net carbs (71g total carbs − 2g fiber); per 100g that is 42.1g 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 (jumbo bakery)?
Costco Kirkland Blueberry Muffin (Jumbo Bakery) 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 (~164g / 5.8 oz) | 69g | 71g | 8g | 608 |
| 100 g (3.5 oz) | 42.1g | 43.3g | 4.9g | 371 |
| 1 oz (28 g) | 11.8g | 12.1g | 1.4g | 104 |
How many calories are in costco kirkland blueberry muffin (jumbo bakery)?
Costco Kirkland Blueberry Muffin (Jumbo Bakery) — 1 muffin (~164g / 5.8 oz), 164g — has 608 calories, with 8g protein, 32g fat, and 69g net carbs. Per 100g: 371 calories and 42.1g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 371 |
| Total carbs | 43.3g |
| Net carbs | 42.1g |
| Fiber | 1.2g |
| Sugar | 24.4g |
| Sugar alcohols | 0g |
| Protein | 4.9g |
| Fat | 19.5g |
| Sodium | 360mg |
| Potassium | 104mg |
Source: Manufacturer-reported values (snacks-sweets). 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 (jumbo bakery)?
- Costco Kirkland Blueberry Muffin (Jumbo Bakery) (1 muffin (~164g / 5.8 oz), 164g) has 71g of total carbs and 69g of net carbs. Per 100 grams: 43.3g total, 42.1g net.
- How many net carbs are in costco kirkland blueberry muffin (jumbo bakery)?
- Costco Kirkland Blueberry Muffin (Jumbo Bakery) has 69g of net carbs per 1 muffin (~164g / 5.8 oz), 164g — 71g total carbs minus 2g fiber.
- Is costco kirkland blueberry muffin (jumbo bakery) keto-friendly?
- Costco Kirkland Blueberry Muffin (Jumbo Bakery) is generally not keto-friendly. 1 muffin (~164g / 5.8 oz), 164g is 69g net carbs (71g total carbs − 2g fiber); per 100g that is 42.1g 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 (jumbo bakery)?
- Costco Kirkland Blueberry Muffin (Jumbo Bakery) (1 muffin (~164g / 5.8 oz), 164g) has 608 calories; that is 371 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.