Jimmy John’s Slim 3

Tuna salad sandwich from Jimmy John's with text '600 calories.'

The Slim 3 is a simple sandwich made with tuna salad and served on your choice of either a French roll or thick-sliced wheat bread.

A regular-sized 8″ Jimmy John’s Slim 3 on French bread has 600 calories, 23 grams fat, 70 grams carbohydrates, and 24 grams protein.

Customize your sandwich order to match your individual preferences by adding mayo, avocado, or Provolone cheese. Nutritional information will vary with the add-ons or variations.

Slim 3 Tuna Sub Nutritional Information

Unless otherwise noted the nutritional information in this report is based on a Slim 3 served on French bread. The report also includes a comparison to the no-bread Unwich option.

Daily Value

Daily value (% DV) illustrates how much of a specific nutrient is in one serving relative to the recommended daily limit, based on a 2,000 calorie diet.

Review the table below, which shows that the Slim 3 contains a high level of sodium. The larger 16″ Giant Slim 3 also delivers a high amount of saturated fat and cholesterol.

% Daily Value

Use the %DV to determine if a food item contains a low (5% or less) or high (20% or more) level of specific nutrients.
Red indicates %DV is high

Per sandwich

8″

16″

Saturated Fat

15%

Cholesterol

10%

Sodium

%DV based on 2,000 calories

Calories

The smaller 8″ Jimmy John’s Slim 3 has 600 calories. A Giant 16″ is double the size with twice the nutrients and twice the calories.

An Unwich option is served with lettuce instead of bread. Calories from total carbs drop to 20, down from 290 when the sub is served on French bread.

Here is a summary of the number of calories by macronutrient in each serving size.

Calories by Macronutrient

8″

16″

Unwich

Calories from Fat

210

420

180

Calories from Total Carbs

290

575

20

Calories from Protein

100

205

50

Total Calories

600

1200

250

Nearly half of the total calories are derived from carbohydrates. Dietary fat contributes about 36% of the total calories and the remaining 17% is from protein.

Jimmy John’s Slim 3

% of total calories from fat, carbs and protein
fat
35%
carbohydrates
48%
Protein
17%

The summary of calories by nutrient is a rounded estimate based on the nutrition facts provided by Jimmy John’s restaurant. Actual calories may vary based on how the sub is prepared onsite.

Calories in Slim 3 by Size and Bread

  • Regular 8″ Slim 3 on French Bread has 600 calories
  • Giant 16″ Slim 3 on French Bread has 1,200 calories
  • Slim 3 on sliced Wheat Bread has 530 calories
  • Slim 3 on a Garlic Herb Wrap has 550 calories
  • Slim 3 on a Flour Wrap has 530 calories
  • An Unwich Slim 3 lettuce wrap has 250 calories
Jimmy John's Slim 3 Tuna sub with list of calories by size sandwich.
Total calories in Slim 3 by size and type of bread.

Total Fat

The amount of dietary fats in a Slim 3 is high. Review the table below for a comparison of each size sub and the lettuce option vs the recommended daily limit of total fats and saturated fats.

Amount of Fat and Daily Value

Total Fat

23g

45g

20g

Daily Limit

78g

78g

78g

Daily Value

Saturated Fat

3g

6g

3g

Daily Limit

20g

20g

20g

Daily Value

15%

15%

Daily Limit and Daily Value per U.S. FDA general adult nutrition guidance based on 2,000 calories.

Jimmy John's Slim 3 Giant Tuna salad sandwich
Giant Slim 3

Sodium

The amount of sodium in this sandwich is high. There are 1,410 milligrams sodium in the smaller 8″ option.

Based on general guidelines from the FDA, a nutrient that contributes a 20% or greater daily value per serving is high. The Slim 3 exceeds that threshold with a 61% DV.

  • 1,410mg sodium in 8″ sub is high

Here is a summary of the nutrition facts for the Slim 3 Tuna Salad sandwich on French Bread from Jimmy John’s quick service restaurant.

Nutrition Facts

Amount per serving in 1 Sub (%DV)

Red indicates %DV is high.

8″

16″

Unwich

Calories

600

1200

250

Total Fat

23g (30%)

45g (58%)

20g (26%)

Saturated Fat

3g (15%)

6g (30%)

3g (15%)

Trans Fat

0g

0g

0g

Cholesterol

30mg (10%)

60mg (20%)

30mg (10%)

Sodium

1410mg (61%)

2820mg (123%)

700mg (54%)

Carbohydrates

70g (26%)

141g (51%)

5g (25%)

Dietary Fiber

5g (18%)

11g (39%)

1g (14%)

Total Sugars

2g

3g

2g

Protein

24g

49g

11g

%DV based on a 2,000 calorie diet. Calorie needs vary and your %DV may be higher or lower. Provided for informational purposes only. Consult with your physician for dietary or healthcare advice.

According to the FDA, a nutrient that contributes 20% or greater daily value may be considered high. To that end, a regular-sized Slim 3 tuna salad sandwich is high in total fats, carbs, sodium, and sodium.

  • Total dietary fat is high
  • Total carbs is high
  • The amount of sodium per serving is high
  • 5 grams of dietary fiber per 8″ sandwich

Allergens

A Slim 3 tuna salad sandwich is made with ingredients that contain fish, gluten, soy, and wheat.

Tuna salad sandwich from Jimmy John's with text '600 calories.'
A Slim 3 tuna salad sub has 600 calories.

Jimmy John’s sandwiches are made with hand-sliced meats and served on fresh-baked bread. In addition to the Slim 3, Jimmy John’s Club Tuna and Totally Tuna are also made with tuna salad.

If you would like a particular sandwich meat, check this simple reference chart for all Jimmy John’s sandwiches, listed by type of meat (bacon, ham, roast beef, salami, tuna, turkey).

Plain Slim Sandwiches: Prices and Nutrition

Here is a table with the prices and summary nutritional information for Jimmy John’s Plain Slims menu.

Updated June 2025PriceCaloriesFatCarbsProteinSodium
Slim #1 Ham (Reg)$6.2954013g69g33g1610mg
Slim #1 Ham (Giant)$11.79108027g139g66g3220mg
Slim #2 Roast Beef (Reg)$6.294405g66g30g1200mg
Slim #2 Roast Beef (Giant)$11.7988011g133g59g2390mg
Slim #3 Tuna (Reg)$6.2960023g70g24g1410mg
Slim #3 Tuna (Giant)$11.79120045g141g49g2820mg
Slim #4 Turkey (Reg)$6.294203g68g27g1250mg
Slim #4 Turkey (Giant)$11.798306g135g54g2490mg
Slim #5 Italian (Reg)$6.2963023g69g35g1980mg
Slim #5 Italian (Giant)$11.79126045g138g71g3960mg
Slim #6 Cheese (Reg)$6.2959021g68g30g1180mg
Slim #6 Cheese (Giant)$11.79118042g135g60g2360mg
Jimmy John's tuna salad sandwich with nutrition facts by size.

Ingredients, allergens, and nutrition facts are based on available information as of the date this article was published and/or updated. Restaurants and food manufacturers may change their recipes without notice. Check directly with the food provider for the most accurate and up-to-date information. NutritionandIngredients.com does not provide health or wellness advice or dietary recommendations. Our aim is to research commercially processed food and publish articles for informational purposes only. Unless otherwise stated, % Daily Value is based on 2,000 calories per day, but calorie needs vary by individual. Always consult your physician for any healthcare or dietary advice.

Nutrition facts, allergens source: Jimmy John’s

  • Tuna sandwich image: Jimmy John’s. Original designs by Nutrition & Ingredients.

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