The Jamba Juice PB & Banana Protein (Soy) is a creamy, protein-focused smoothie featuring peanut butter, banana, and soy protein. It is designed for customers who want a richer and more filling alternative to a traditional fruit smoothie.
The listed starting price is $8.19 before tax. Jamba lists the smoothie at 475, 545, or 715 calories, depending on the selected size.

View Full: Jamba Juice menu with price
PB & Banana Protein Soy Price and Calories
| Menu item | Price | Calories |
|---|---|---|
| PB & Banana Protein (Soy) | $8.19 | 475/545/715 |
| First eligible boost | Free | Varies |
| Additional customizations | Price not listed | Varies |
| Split Cup | No price shown | Varies |
The three calorie values generally correspond to the available smoothie sizes.
| Smoothie size | Listed calories |
|---|---|
| Small | 475 |
| Medium | 545 |
| Large | 715 |
The listed $8.19 price is the starting price before paid customizations, taxes, and delivery charges.
Prices may vary by smoothie size, Jamba location, franchise, airport, shopping center, or delivery platform.
PB & Banana Protein Soy Ingredients
The product name and description confirm three major components: peanut butter, banana, and soy-based protein.
| Ingredient or component | Information |
|---|---|
| Peanut butter | Confirmed |
| Banana | Confirmed |
| Soy protein | Confirmed by product name |
| Complete liquid base | Not listed |
| Additional fruit ingredients | Not listed |
| Added sweeteners | Not confirmed |
| Frozen ingredients | Not listed |
| Complete recipe | Not provided |
The most accurate description is a creamy peanut butter-and-banana smoothie made with soy protein.
The complete formula is not supplied, so specific juices, milk alternatives, sweeteners, frozen bases, stabilizers, or flavoring ingredients should not be treated as confirmed.
PB & Banana Protein Soy Nutrition
The menu confirms the calorie values but does not provide complete amounts for protein, fat, sodium, carbohydrates, fiber, or sugar in the supplied information.
| Nutrient | Small | Medium | Large |
|---|---|---|---|
| Calories | 475 | 545 | 715 |
| Total fat | Not listed | Not listed | Not listed |
| Saturated fat | Not listed | Not listed | Not listed |
| Cholesterol | Not listed | Not listed | Not listed |
| Sodium | Not listed | Not listed | Not listed |
| Total carbohydrates | Not listed | Not listed | Not listed |
| Dietary fiber | Not listed | Not listed | Not listed |
| Total sugars | Not listed | Not listed | Not listed |
| Protein | Not listed | Not listed | Not listed |
The product is described as being packed with protein, but an exact protein amount is not included in the supplied menu details.
The medium contains 70 more calories than the small. The large contains 170 more calories than the medium and 240 more calories than the small.
| Size comparison | Calorie difference |
|---|---|
| Medium versus small | 70 calories |
| Large versus medium | 170 calories |
| Large versus small | 240 calories |
The small is the lowest-calorie option at 475 calories.
Is PB & Banana Protein High in Calories?
The smoothie contains between 475 and 715 calories, depending on size. This makes it more calorie-dense than many fruit-only smoothies.
Peanut butter can contribute significant calories and fat, while banana contributes carbohydrates and natural sugar. Soy protein may increase the smoothie’s protein content and make it more filling.
Customers looking for the lowest-calorie serving should choose the small size and avoid calorie-dense additions such as extra peanut butter, frozen yogurt, coconut whip, or sherbet.
Free First Boost
Customers may choose one eligible first boost at no additional charge.
| Free first boost | Extra price |
|---|---|
| Daily Vitamin + Zinc | Free as first boost |
| 3G Energy | Free as first boost |
| Whey Protein | Free as first boost |
| Soy Protein | Free as first boost |
Because the standard smoothie already uses soy protein, choosing an additional soy protein boost may further change its calorie and protein totals.
The exact nutritional contribution of each boost is not included in the supplied information.
Additional Customization Options
The ordering menu displays several customization categories.
| Customization category | Availability |
|---|---|
| Vitamin and Protein Boosts | Available |
| Whole Food Boosts | Available |
| Premium Boosts | Available |
| Frozen Fruit and Vegetables | Choose up to three |
| All Things Frozen | Choose up to two |
| Split Cup | Available |
Adding extra protein, peanut butter, fruit, yogurt, sherbet, granola, or coconut whip can increase the total price and calories.
Customizations may also introduce additional allergens.
PB & Banana Protein Soy Allergen Information
Because the smoothie contains peanut butter and soy protein, peanuts and soy are confirmed allergens.
| Allergen | Standard smoothie status |
|---|---|
| Peanuts | Contains |
| Soy | Contains |
| Milk | Not confirmed |
| Wheat | Not confirmed |
| Gluten | Not confirmed gluten-free |
| Tree nuts | Not confirmed |
| Egg | Not confirmed |
| Sesame | Not confirmed |
| Cross-contact risk | Possible |
Optional ingredients may introduce other allergens.
| Optional ingredient | Allergen concern |
|---|---|
| Whey Protein | Milk |
| Frozen Yogurt | Milk |
| Greek Yogurt | Milk |
| Extra Peanut Butter | Peanuts |
| Granola | May contain wheat or gluten |
| Other additions | Depends on selected ingredient |
Jamba states that unpackaged menu items are not guaranteed to be allergen-free. Customers with peanut, soy, or other serious allergies should contact the specific restaurant before placing an order.
Does PB & Banana Protein Contain Peanuts?
Yes. Peanut butter is a confirmed ingredient, so the smoothie contains peanuts.
People with peanut allergies should avoid this smoothie. Removing an ingredient may not eliminate the risk because shared blenders, utensils, preparation surfaces, and storage containers can cause cross-contact.
Does PB & Banana Protein Contain Soy?
Yes. The smoothie is specifically identified as PB & Banana Protein (Soy), indicating that soy protein is used.
It is not suitable for customers with a soy allergy.
Does PB & Banana Protein Contain Milk?
Milk is not confirmed in the short standard ingredient description.
However, the complete recipe is unavailable, so the smoothie should not be considered guaranteed dairy-free. Choosing whey protein, frozen yogurt, or Greek yogurt introduces milk.
Is PB & Banana Protein Soy Vegan?
Peanut butter, banana, and soy protein can be plant-based. However, the complete standard recipe is not provided, so the smoothie is not officially confirmed vegan.
Customers following a vegan diet should verify the complete base ingredients and avoid whey protein, frozen yogurt, Greek yogurt, and other dairy-based additions.
Is PB & Banana Protein Soy Dairy-Free?
The confirmed peanut butter, banana, and soy protein ingredients do not establish that the complete drink contains dairy.
However, it is not guaranteed dairy-free because the full recipe and cross-contact details are unavailable.
Adding whey protein or yogurt makes the customized smoothie unsuitable for a dairy-free diet.
Is PB & Banana Protein Soy Gluten-Free?
No wheat or gluten ingredient is confirmed in the short product description.
However, the smoothie is not officially verified gluten-free. Shared preparation equipment may create cross-contact, and adding granola or another wheat-containing ingredient can introduce gluten.
Taste and Texture
The Jamba PB & Banana Protein Soy smoothie has a rich, nutty, and creamy flavor.
Peanut butter provides a roasted and slightly salty taste, while banana adds sweetness and helps create a thick texture. Soy protein supports the smoothie’s protein-focused profile.
This drink may appeal to customers who prefer:
- Peanut butter smoothies
- Creamy banana drinks
- Protein-focused smoothies
- Richer and more filling menu options
- Sweet and nutty flavor combinations
PB & Banana Protein Soy Size Comparison
| Size | Calories | Best suited for |
|---|---|---|
| Small | 475 | Lower-calorie choice |
| Medium | 545 | More filling serving |
| Large | 715 | Largest and most calorie-dense option |
The small size saves 240 calories compared with the large.
Customers who want the flavor and protein-focused ingredients without the largest calorie total may prefer the small serving.
Frequently Asked Questions
How much is Jamba PB & Banana Protein Soy?
The listed starting price is $8.19 before tax.
How many calories are in PB & Banana Protein Soy?
The smoothie contains 475, 545, or 715 calories, depending on the selected size.
What size contains 475 calories?
The smallest listed serving generally contains 475 calories.
What size contains 545 calories?
The medium serving generally contains 545 calories.
What size contains 715 calories?
The largest listed serving generally contains 715 calories.
What is in PB & Banana Protein Soy?
The confirmed primary ingredients are peanut butter, banana, and soy protein.
Does PB & Banana Protein contain peanut butter?
Yes. Peanut butter is a confirmed ingredient.
Does PB & Banana Protein contain banana?
Yes. Banana provides sweetness and contributes to the smoothie’s creamy texture.
Does PB & Banana Protein contain soy?
Yes. The smoothie uses soy protein.
Does PB & Banana Protein contain peanuts?
Yes. Peanut butter makes peanuts a confirmed allergen.
Is PB & Banana Protein safe for peanut allergies?
No. Customers with peanut allergies should avoid this smoothie.
Is PB & Banana Protein safe for soy allergies?
No. Soy protein is a confirmed ingredient.
How much protein does PB & Banana Protein have?
The smoothie is described as protein-packed, but the exact number of protein grams is not included in the supplied menu information.
Is PB & Banana Protein vegan?
It is not officially confirmed vegan because the complete recipe is unavailable.
Is PB & Banana Protein dairy-free?
Milk is not confirmed in the short description, but the smoothie is not guaranteed dairy-free.
Is PB & Banana Protein gluten-free?
It is not officially confirmed gluten-free, although wheat is not listed in the supplied description.
Does the smoothie include a free boost?
Yes. Customers may choose one eligible first boost at no additional charge.
Which free boosts are available?
The options include Daily Vitamin + Zinc, 3G Energy, whey protein, and soy protein.
Can I add whey protein?
Yes. Whey protein may be selected, but it contains milk.
Can I add more soy protein?
Soy protein is available as a boost. An additional serving may change the final calories and protein amount.
Is PB & Banana Protein high in calories?
It is relatively calorie-dense, with listed values ranging from 475 to 715 calories.
Which size has the fewest calories?
The small size contains the fewest calories at 475 calories.
Can I add frozen fruit?
Yes. Customers can choose up to three frozen fruit or vegetable additions.
Can I choose frozen ingredients?
Yes. Customers can select up to two options from the All Things Frozen category.
Can I split the smoothie into two cups?
A Split Cup option is displayed, although no additional charge is shown.
Can prices vary by location?
Yes. The final price may vary by size, franchise, city, airport, shopping center, taxes, or delivery platform.
Final Answer
The Jamba Juice PB & Banana Protein (Soy) starts at $8.19 before tax and contains 475, 545, or 715 calories, depending on the selected size.
It features a creamy combination of peanut butter, banana, and soy protein. Peanuts and soy are confirmed allergens.
The smoothie is not guaranteed vegan, dairy-free, gluten-free, or allergen-free because the complete recipe is unavailable and cross-contact may occur.