Boost Juice · Secret Menu
Island BreezeBoost Juice calories & macros
A Boost Juice Island Breeze (Medium) has 394 calories (1,648 kJ), with 3.1 g protein, 13.2 g fat and 65.7 g carbs per serve. That is about 19% of the 8,700 kJ daily intake used on Australian food labels.

F0.8 g protein per 100 kcal - high cal protein density on Macro Menu's S to F scale
Open in the Macro Menu appAll Boost Juice items
Island Breeze sizes and options
| Option | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Junior | 315 | 1,318 | 2.5 | 10.8 | 51.8 |
| Medium | 394 | 1,648 | 3.1 | 13.2 | 65.7 |
| Original | 518 | 2,167 | 4.1 | 18.0 | 84.6 |
Lowest: Junior at 315 kcal. Highest: Original at 518 kcal - a 203 kcal spread.
Customise it: what swaps change
Per-serve totals after a common change. Modifier figures are Macro Menu estimates unless Boost Juice publishes the component itself.
| Change | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| As sold | 394 | 1,648 | 3.1 | 13.2 | 65.7 |
| Add Whey Protein Booster (+45 kcal) | 439 | 1,837 | 13.1 | 13.7 | 66.7 |
| Add Immunity Booster (+10 kcal) | 404 | 1,690 | 3.1 | 13.2 | 67.7 |
| Add Chia Seeds (+50 kcal) | 444 | 1,858 | 5.1 | 16.2 | 69.7 |
| No Yoghurt (-60 kcal) | 334 | 1,397 | 0.1 | 12.2 | 56.7 |
| Make Dairy Free (Alt Milk) (-20 kcal) | 374 | 1,565 | 1.1 | 12.7 | 62.7 |
How it compares with other Boost Juice secret menu
Of the 16 secret menu on the Boost Juice menu, Island Breeze ranks 12th of 16 for protein and is the 15th lowest in calories. The category average is 293 kcal, so this one is above average by 101 kcal.
| Item | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Blueberry Blast (3 options) | 318 | 1,331 | 4.3 | 2.5 | 68.0 |
| Banana Mango Bling (3 options) | 329 | 1,377 | 6.3 | 3.8 | 66.6 |
| Lychee Lovin' Berry (3 options) | 338 | 1,414 | 1.1 | 11.0 | 56.9 |
| Island Breeze (3 options) | 394 | 1,648 | 3.1 | 13.2 | 65.7 |
| Cookie Dough (3 options) | 429 | 1,795 | 8.2 | 17.5 | 58.6 |
Sorted by calories, showing the items either side of this one. See every Boost Juice secret menu item.
Quick answers
How many calories are in a Boost Juice Island Breeze?
Island Breeze at Boost Juice ranges from 315 to 518 calories depending on the option. The Medium is 394 kcal (1,648 kJ).
How much protein is in Boost Juice's Island Breeze?
3.1 g of protein in the Medium, which works out to 0.8 g per 100 kcal - rated F (high cal) for protein density on Macro Menu.
How many kJ is that?
1,648 kJ. Australian menus list kilojoules; divide by 4.184 to get calories. 1,648 kJ is roughly 19% of an 8,700 kJ day.
Is it a lower-calorie choice at Boost Juice?
Within Boost Juice secret menu it is the 15th lowest of 16. The lowest-calorie option in that category is Pure Eden at 119 kcal, and the highest-protein is Cookie Dough with 8.2 g.
More Boost Juice secret menu
Cookie Dough429 kcal · 8.2 g protein
Lychee Lovin' Berry338 kcal · 1.1 g proteinBanana Mango Bling329 kcal · 6.3 g protein
Blueberry Blast318 kcal · 4.3 g protein
Tropical Storm316 kcal · 6.5 g protein
Strawbs Mango314 kcal · 6.0 g proteinBoost Juice full menuHighest protein at Boost JuiceLowest calorie at Boost JuiceOther restaurants
Source: Boost Juice Allergens & Nutritional Information guide (BNIPS26-3, April 2026), with the live menu from Boost's own ordering API (boostjuice.redcatcloud.com.au), per serve as sold. Last checked against the live menu on 8 September 2026. Every source.