Calories in Colby Jack Cheese: Nutrition Facts & Serving Sizes
Per 1 cup shredded (113g)
Per 100g
Source: Web research, March 2026.
One slice of Colby Jack cheese (28g) contains 110.3 calories with 6.7g of protein, 0.5g of carbs, and 9g of fat. Per 100g, Colby Jack provides 394 calories with 23.8g of protein, 1.9g of carbs, and 32.1g of fat. Calcium is a standout at 526mg per 100g, covering roughly 53% of the daily value. Vitamin A provides 994mcg per 100g. Sodium is 604mg per 100g, so a single slice contributes about 169mg. Saturated fat is 20.2g per 100g. Cholesterol is 95mg per 100g. One cup of shredded Colby Jack (113g) adds up to 445 calories. Colby Jack is a blend of Colby and Monterey Jack cheeses, offering a mild flavor that works in sandwiches, tacos, and quesadillas. It melts well, making it a popular cooking cheese.
Nutrition Highlights
Calories by Serving Size
| Serving | Cal | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| 1 slice (28g) | 110.3 | 6.7g | 0.5g | 9g | 0g |
| 1 cup shredded (113g) | 445.2 | 26.9g | 2.1g | 36.3g | 0g |
| 100g | 394 | 23.8g | 1.9g | 32.1g | 0g |
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Full Nutrition Facts (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Calories | 394 | 20% |
| Protein | 23.8g | 48% |
| Total Fat | 32.1g | 41% |
| Saturated Fat | 20.2g | 101% |
| Total Carbohydrates | 1.9g | 1% |
| Dietary Fiber | 0g | |
| Sugars | 0.5g | 1% |
| Sodium | 604mg | 26% |
| Cholesterol | 95mg | 32% |
Vitamins & Minerals (per 100g)
| Nutrient | Amount | % Daily Value |
|---|---|---|
| Saturated Fat | 20.2g | 7% |
| Cholesterol | 95mg | 32% |
| Calcium | 526mg | 40% |
| Iron | 0.6mg | 3% |
| Potassium | 84mg | 2% |
| Vitamin A | 994mcg | 110% |
| Vitamin D | 0.3mcg | 2% |
| Vitamin B6 | 0.1mg | 6% |
| Vitamin B12 | 0.8mcg | 33% |
| Magnesium | 24mg | 6% |
| Phosphorus | 432mg | 35% |
| Zinc | 2.8mg | 25% |
| Selenium | 14.5mcg | 26% |
| Folate | 18mcg | 5% |
| Riboflavin (B2) | 0.4mg | 31% |
| Niacin (B3) | 0.1mg | 1% |
% Daily Values based on a 2,000 calorie diet (FDA reference).
Health Benefits of Colby Jack Cheese
Colby Jack cheese provides solid protein at 23.8g per 100g, making it a reasonable protein contributor for those who eat cheese regularly. A slice (28g) delivers 6.7g of protein, which is meaningful added to sandwiches or meals without requiring extra preparation.
The calcium content is exceptional at 526mg per 100g, covering over half the daily value. Calcium is critical for bone density, muscle contractions, and nerve signaling. For younger adults still building peak bone mass, dairy products like Colby Jack are one of the easiest ways to hit calcium targets.
Vitamin A at 994mcg per 100g covers over 100% of the daily value. This fat-soluble vitamin supports immune function, vision, and skin health. The fat in cheese makes vitamin A readily absorbed.
Zinc at 2.8mg per 100g covers about 25% of the daily value, supporting hormone production, immune function, and wound healing. Selenium at 14.5mcg per 100g provides antioxidant support.
The main considerations are the high saturated fat (20.2g per 100g) and sodium (604mg per 100g). These are important to watch if eaten in large amounts. One or two slices per day is reasonable for most people as part of a balanced diet.
Dietary Considerations
Colby Jack cheese is keto-friendly with only 1.9g of carbs per 100g and high fat content. It is not suitable for vegans or those with lactose intolerance. For weight loss, a single slice at 110 calories is manageable but easy to overeat. The high sodium (604mg per 100g) and saturated fat are concerns for larger servings. It is gluten-free.
Daily Intake (100g)
100g of colby jack cheese provides 20% of a 2,000-calorie diet.
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Frequently Asked Questions
How many calories in Colby Jack cheese?
One slice of Colby Jack cheese (28g) contains about 110 calories. Per 100g, Colby Jack has 394 calories. One cup shredded (113g) contains about 445 calories.
Is Colby Jack cheese good for weight loss?
Colby Jack cheese is calorie-dense at 394 cal/100g. One slice at 110 calories can fit into a diet, but it is easy to overeat. The protein (6.7g per slice) helps with satiety. Track your portions if you eat it regularly on a cut.
How much protein in Colby Jack cheese?
Colby Jack cheese has 23.8g of protein per 100g. A single slice (28g) provides about 6.7g of protein. It is a decent protein source relative to its calorie count.
Is Colby Jack cheese keto?
Yes, Colby Jack cheese is very keto-friendly. At only 1.9g of carbs per 100g and 32.1g of fat, it fits perfectly into ketogenic macros. A slice has just 0.5g of carbs.
How much calcium is in Colby Jack cheese?
Colby Jack cheese is an excellent calcium source at 526mg per 100g (about 53% daily value). One slice (28g) provides about 147mg of calcium. Regular cheese consumption is one of the best ways to meet calcium requirements.
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