Real Mayo Packet 40

Real Mayo Packet

at Jack in the Box · add-on
1 packet (12g) · 90 cal · 0g protein · Poor · 40/100
Contains seed oils

How we scored it

The product contains soybean oil, which is a highly processed seed oil, and sugar, both of which are considered unhealthy. The presence of beneficial ingredients like egg yolks and vinegar is overshadowed by the high level of processing and inclusion of harmful ingredients.

Nutrition facts

Per 1 packet (12g)Amount% DV
Calories 90
Total fat 10g 13%
Saturated fat 1.5g 8%
Trans fat 0g
Cholesterol 5mg 2%
Sodium 65mg 3%
Total carbohydrate 0g 0%
Dietary fiber 0g 0%
Sugars 0g
Protein 0g 0%

Jack in the Box's published nutrition. Percentages are of the daily value on a 2,000-calorie diet.

Key ingredients

8
Soybean Oil
Very Bad

Soybean oil is often highly processed and may contain trans fats or residues from manufacturing, which can be less healthy when consumed frequently.

See more about Soybean Oil →
Sugar
Bad

Sugar is added for taste but can contribute to excessive calorie intake and may impact health if consumed in large quantities.

See more about Sugar →
Egg Yolks
Good

Egg yolks are a natural source of protein and healthy fats, providing essential nutrients and flavor to the mayonnaise.

See more about Egg Yolks →
Distilled Vinegar
Good

Distilled vinegar adds acidity and flavor, and may have preservative qualities, enhancing the product's taste and shelf life.

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Lemon Juice Concentrate
Good

Lemon juice concentrate adds natural flavor and acidity, and provides vitamin C, supporting flavor and preservation.

See more about Lemon Juice Concentrate →
Salt
Neutral

Salt enhances flavor and is necessary in small amounts for proper seasoning, though it should be consumed in moderation.

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Water
Neutral

Water is essential for hydration and forms the base of many food products, contributing to the overall texture and consistency.

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Mustard Flour
Neutral

Mustard flour provides flavor and spice, commonly used in condiments, with no significant health concerns.

Scout's score is an independent read of Jack in the Box's published ingredient statement and nutrition for this item, last scored September 2026. Recipes change — check the chain for today's menu. Scout takes no payment from any chain. How we score · Full Jack in the Box menu.