How many calories are in a large jamba?

December 28, 2025 •

4 min read

With some of the most decadent large Jamba smoothies exceeding 900 calories, understanding how many calories are in a large jamba is essential for anyone tracking their intake. The calorie count can vary dramatically based on ingredients, ranging from nutrient-packed options to dessert-like indulgences. This guide breaks down the nutrition of popular large items to help you navigate the menu effectively.

Quick Summary

The calorie content of a large Jamba varies significantly, with some drinks containing over 900 calories while others are much lighter. This overview compares popular large smoothies and bowls, highlighting the nutritional differences influenced by ingredients like fruit, sherbet, and protein boosts.

Key Points

Significant Range: A large Jamba can range from under 400 to nearly 1,000 calories, depending on the specific ingredients.
High-Calorie Items: Nut butter and chocolate-based large smoothies like Peanut Butter Moo'd are among the highest in calories, with some reaching over 900.
Lighter Alternatives: Fruit and veggie-focused options like the Greens 'n Ginger are considerably lower in calories, typically under 400 for a large.
Customize for Fewer Calories: To reduce calories, ask for no sherbet, less or no added sweeteners, and choose a lighter base like unsweetened almond milk or water.
Check Official Info: The most accurate way to know the calorie count is to check the official Jamba Juice nutritional information online or in-store.

Understanding the Wide Calorie Range of a Large Jamba

Jamba Juice has expanded its menu far beyond simple fruit smoothies, now including a variety of large options that can serve as a full meal replacement or a sugary snack. The calorie counts for a large (typically 28 fl oz) Jamba can span a vast spectrum, primarily influenced by added sugars from sherbet, non-fat frozen yogurt, and sweetened juice blends. Knowing the specific ingredients is key to making a choice that aligns with your dietary goals.

For instance, the calorie-dense Peanut Butter Moo'd smoothie packs a significant punch, while a fruit-and-veggie focused option like the Greens 'n Ginger is on the much lighter side. The difference can be several hundred calories, making an informed decision crucial, especially if you're managing weight or watching sugar intake.

High-Calorie Large Smoothies and Bowls

Some of the most popular large Jamba items are also the highest in calories. These often contain ingredients like peanut butter, chocolate, and sherbet, which significantly increase the calorie and sugar content. Here are a few examples to be mindful of:

Acai Peanut Butter plus Nutella (Large): At a whopping 980 calories, this option is essentially a full meal in a cup, loaded with calories from nut butter and the chocolate-hazelnut spread.
Peanut Butter Moo'd Smoothie (Large): This drink contains 910 calories and is packed with calories from peanut butter, milk, and chocolate flavors.
PB & Banana Smoothie with Whey Protein (Large): With 810 calories, this high-protein option also comes with a hefty calorie load due to the peanut butter and protein boost.

Healthier Large Jamba Choices

If you're seeking a more health-conscious option, there are several large Jamba smoothies that contain fewer calories. These generally focus on whole fruits, vegetables, and lighter bases. Here are some options and customization tips:

Greens 'n Ginger Smoothie (Large): A much lighter alternative with just 380 calories, this smoothie focuses on whole food nutrition from greens.
Pomegranate Paradise Smoothie (Large): This fruit-forward smoothie contains 380 calories and is a moderate choice for those watching their intake.
Strawberry Whirl Smoothie (Large): A classic fruit smoothie that comes in at 350 calories for a large size, making it a good choice when you want a fruity flavor.
Mega Mango Smoothie (Large): This simple fruit blend offers 350 calories and is a solid, lighter option.

Large Jamba Calorie Comparison


Large Jamba Item (28 fl oz)	Approx. Calories	Key Ingredients	Calorie Factors
Acai Peanut Butter plus Nutella	980	Nutella, peanut butter, fruit	High sugar and fat content
Peanut Butter Moo'd Smoothie	910	Peanut butter, chocolate, frozen yogurt	High sugar and fat content
PB & Banana Protein Smoothie (Whey)	810	Peanut butter, banana, whey protein	High protein, high calorie from PB
Vanilla Blue Sky	520	Almond milk, fruit, vanilla, blue spirulina	Spirulina boost, fruit sugars
Strawberries Wild	430	Strawberries, banana, apple-strawberry juice	Simple fruit blend
Caribbean Passion	420	Passion fruit juice, strawberries, peaches	Fruit blend and sherbet
Pomegranate Paradise	380	Pomegranate, strawberries, raspberries	Fruit-based, minimal add-ins
Greens 'n Ginger	380	Kale, spinach, mango, lemon, peach	Focus on greens, natural sugars

Key Ingredients That Drive Up Calories

When ordering a large Jamba, several ingredients can drastically increase the total calorie count. Being aware of these can help you customize your drink to be more diet-friendly:

Sherbet and Frozen Yogurt: These additions are a primary source of added sugars and calories in many classic Jamba smoothies. Opting for a simple fruit-and-ice blend can significantly reduce this impact.
Nut Butters and Nutella: While they provide protein and healthy fats, the quantities used in some smoothies and bowls can add hundreds of calories. Requesting less or skipping it entirely can help.
Sweetened Juices: Many smoothies use juice blends as a base, which contain more sugar than using water or unsweetened almond milk. Asking for fresh juice or water can lower the calorie count.
Added Syrups and Toppings: Items like agave and honey toppings can add another 50+ calories per serving, and while tasty, they contribute to a higher sugar content.

Conclusion: Making Informed Choices

Ultimately, how many calories are in a large jamba is not a single number but a range that depends on your specific order. While some large sizes are high in calories and sugar, often resembling a dessert, others can be a reasonable, nutritious option when customized wisely. By checking the nutritional information on Jamba's website and making smart swaps like asking for less or no sherbet and choosing lighter liquid bases, you can enjoy a satisfying large Jamba without derailing your health goals. For comprehensive nutrition details on their entire menu, you can explore the official Jamba Juice website.

Frequently Asked Questions

Among the popular large smoothies, the Mega Mango and Strawberry Whirl are often among the lowest-calorie options, both typically around 350 calories.

Yes, a protein boost will increase the calories. For example, the PB & Banana Smoothie with Whey Protein adds substantial calories due to the whey and high-calorie ingredients like peanut butter.

You can reduce calories by asking to 'Make It Light,' skipping sherbet, opting for an unsweetened milk base or water instead of juice, and avoiding high-calorie toppings like honey or Nutella.

Some large Jamba smoothies are high enough in calories to be a meal replacement, but their healthiness depends on the ingredients. Many are very high in sugar, so opting for a bowl or smoothie rich in protein, fiber, and whole foods is a better choice.

The Acai Peanut Butter plus Nutella (Large) is among the highest, with 980 calories, due to the caloric density of the Nutella and peanut butter.

Yes, different protein options can affect the calorie count. For example, the PB & Banana Smoothie with Whey Protein has a different calorie count than the same smoothie made with pea protein.

Typically, yes. Juices often have fewer ingredients and avoid calorie-dense additions like frozen yogurt or sherbet. However, they can still be very high in natural sugars, so it's important to check the nutritional information.