Boost Juice · Protein & Energy
Protein SupremeBoost Juice calories & macros
A Boost Juice Protein Supreme (Medium) has 340 calories (1,423 kJ), with 20.3 g protein, 6.1 g fat and 47.1 g carbs per serve. That is about 16% of the 8,700 kJ daily intake used on Australian food labels.

B6.0 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 | 1,423 kJ (340 kcal) |
| Protein | 20.3 g |
| Fat, total | 6.1 g |
| - saturated | 1.8 g |
| Carbohydrate | 47.1 g |
| - sugars | 31.7 g |
| Sodium | 183 mg |
As published by Boost Juice.
Protein Supreme sizes and options
| Option | kcal | kJ | Protein g | Fat g | Carbs g | Sat fat g | Sugars g | Sodium mg |
|---|---|---|---|---|---|---|---|---|
| Junior | 224 | 937 | 13.4 | 4.0 | 30.8 | 1.1 | 21.5 | 121 |
| Medium | 340 | 1,423 | 20.3 | 6.1 | 47.1 | 1.8 | 31.7 | 183 |
| Original | 502 | 2,100 | 29.1 | 10.6 | 66.4 | 2.5 | 40.5 | 228 |
Lowest: Junior at 224 kcal. Highest: Original at 502 kcal - a 278 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 | 340 | 1,423 | 20.3 | 6.1 | 47.1 |
| Add Whey Protein Booster (+45 kcal) | 385 | 1,611 | 30.3 | 6.6 | 48.1 |
| Add Plant Protein Booster (+40 kcal) | 380 | 1,590 | 28.3 | 6.6 | 49.1 |
| Add Chia Seeds (+50 kcal) | 390 | 1,632 | 22.3 | 9.1 | 51.1 |
| Add Oats (+60 kcal) | 400 | 1,674 | 22.3 | 7.1 | 57.1 |
| Make Dairy Free (Alt Milk) (-20 kcal) | 320 | 1,339 | 18.3 | 5.6 | 44.1 |
How it compares with other Boost Juice protein & energy
Of the 7 protein & energy on the Boost Juice menu, Protein Supreme ranks 2nd of 7 for protein and is the 5th lowest in calories. The category average is 315 kcal, so this one is above average by 25 kcal.
| Item | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| 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 |
| Peanut Butter Protein Original | 528 | 2,209 | 30.0 | 20.0 | 55.0 |
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 Protein Supreme?
Protein Supreme at Boost Juice ranges from 224 to 502 calories depending on the option. The Medium is 340 kcal (1,423 kJ).
How much protein is in Boost Juice's Protein Supreme?
20.3 g of protein in the Medium, which works out to 6.0 g per 100 kcal - rated B (good) for protein density on Macro Menu.
How many kJ is that?
1,423 kJ. Australian menus list kilojoules; divide by 4.184 to get calories. 1,423 kJ is roughly 16% of an 8,700 kJ day.
Is it a lower-calorie choice at Boost Juice?
Within Boost Juice protein & energy it is the 5th 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
Choc Muscle Hustle357 kcal · 16.8 g protein
Energy Lift322 kcal · 6.5 g protein
Gym Junkie279 kcal · 14.0 g protein
Power Plant Protein224 kcal · 7.9 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.