Boost Juice · Protein & Energy
Gym JunkieBoost Juice calories & macros
A Boost Juice Gym Junkie (Medium) has 279 calories (1,167 kJ), with 14.0 g protein, 3.7 g fat and 46.9 g carbs per serve. That is about 13% of the 8,700 kJ daily intake used on Australian food labels.

B5.0 g protein per 100 kcal - good protein density on Macro Menu's S to F scale
Open in the Macro Menu appAll Boost Juice items
Full nutrition (Medium)
| Per serve | Amount |
|---|---|
| Energy | 1,167 kJ (279 kcal) |
| Protein | 14.0 g |
| Fat, total | 3.7 g |
| - saturated | 2.3 g |
| Carbohydrate | 46.9 g |
| - sugars | 39.4 g |
| Sodium | 177 mg |
As published by Boost Juice.
Gym Junkie sizes and options
| Option | kcal | kJ | Protein g | Fat g | Carbs g | Sat fat g | Sugars g | Sodium mg |
|---|---|---|---|---|---|---|---|---|
| Junior | 213 | 891 | 11.3 | 2.8 | 35.1 | 1.7 | 29.6 | 139 |
| Medium | 279 | 1,167 | 14.0 | 3.7 | 46.9 | 2.3 | 39.4 | 177 |
| Original | 390 | 1,632 | 20.5 | 5.1 | 64.7 | 3.2 | 54.2 | 246 |
Lowest: Junior at 213 kcal. Highest: Original at 390 kcal - a 177 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 | 279 | 1,167 | 14.0 | 3.7 | 46.9 |
| Add Whey Protein Booster (+45 kcal) | 324 | 1,356 | 24.0 | 4.2 | 47.9 |
| Add Plant Protein Booster (+40 kcal) | 319 | 1,335 | 22.0 | 4.2 | 48.9 |
| Add Chia Seeds (+50 kcal) | 329 | 1,377 | 16.0 | 6.7 | 50.9 |
| Add Oats (+60 kcal) | 339 | 1,418 | 16.0 | 4.7 | 56.9 |
| Make Dairy Free (Alt Milk) (-20 kcal) | 259 | 1,084 | 12.0 | 3.2 | 43.9 |
How it compares with other Boost Juice protein & energy
Of the 7 protein & energy on the Boost Juice menu, Gym Junkie ranks 4th of 7 for protein and is the 3rd lowest in calories. The category average is 315 kcal, so this one is below average by 36 kcal.
| Item | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Wondermelon (2 options) | 156 | 653 | 10.2 | 1.9 | 23.0 |
| Power Plant Protein (3 options) | 224 | 937 | 7.9 | 1.5 | 40.7 |
| Gym Junkie (3 options) | 279 | 1,167 | 14.0 | 3.7 | 46.9 |
| Energy Lift (3 options) | 322 | 1,347 | 6.5 | 3.8 | 65.5 |
| Protein Supreme (3 options) | 340 | 1,423 | 20.3 | 6.1 | 47.1 |
| Choc Muscle Hustle (3 options) | 357 | 1,494 | 16.8 | 6.3 | 55.4 |
Sorted by calories, showing the items either side of this one. See every Boost Juice protein & energy item.
Quick answers
How many calories are in a Boost Juice Gym Junkie?
Gym Junkie at Boost Juice ranges from 213 to 390 calories depending on the option. The Medium is 279 kcal (1,167 kJ).
How much protein is in Boost Juice's Gym Junkie?
14.0 g of protein in the Medium, which works out to 5.0 g per 100 kcal - rated B (good) for protein density on Macro Menu.
How many kJ is that?
1,167 kJ. Australian menus list kilojoules; divide by 4.184 to get calories. 1,167 kJ is roughly 13% of an 8,700 kJ day.
Is it a lower-calorie choice at Boost Juice?
Within Boost Juice protein & energy it is the 3rd lowest of 7. The lowest-calorie option in that category is Wondermelon at 156 kcal, and the highest-protein is Peanut Butter Protein Original with 30.0 g.
More Boost Juice protein & energy
Energy Lift322 kcal · 6.5 g protein
Power Plant Protein224 kcal · 7.9 g protein
Protein Supreme340 kcal · 20.3 g protein
Choc Muscle Hustle357 kcal · 16.8 g protein
Wondermelon156 kcal · 10.2 g protein
Peanut Butter Protein Original528 kcal · 30.0 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.