Boost Juice · Secret Menu
Lemon CrushBoost Juice calories & macros
A Boost Juice Lemon Crush (Medium) has 154 calories (644 kJ), with 2.3 g protein, 0.7 g fat and 34.6 g carbs per serve. That is about 7% of the 8,700 kJ daily intake used on Australian food labels.
F1.5 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
Lemon Crush sizes and options
| Option | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Junior | 124 | 519 | 1.7 | 0.5 | 28.1 |
| Medium | 154 | 644 | 2.3 | 0.7 | 34.6 |
| Original | 195 | 816 | 2.8 | 0.8 | 44.2 |
Lowest: Junior at 124 kcal. Highest: Original at 195 kcal - a 71 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 | 154 | 644 | 2.3 | 0.7 | 34.6 |
| Add Whey Protein Booster (+45 kcal) | 199 | 833 | 12.3 | 1.2 | 35.6 |
| Add Immunity Booster (+10 kcal) | 164 | 686 | 2.3 | 0.7 | 36.6 |
| Add Chia Seeds (+50 kcal) | 204 | 854 | 4.3 | 3.7 | 38.6 |
| No Yoghurt (-60 kcal) | 94 | 393 | 0.0 | 0.0 | 25.6 |
| Make Dairy Free (Alt Milk) (-20 kcal) | 134 | 561 | 0.3 | 0.2 | 31.6 |
How it compares with other Boost Juice secret menu
Of the 16 secret menu on the Boost Juice menu, Lemon Crush ranks 13th of 16 for protein and is the 2nd lowest in calories. The category average is 293 kcal, so this one is below average by 139 kcal.
| Item | kcal | kJ | Protein g | Fat g | Carbs g |
|---|---|---|---|---|---|
| Pure Eden (3 options) | 119 | 498 | 1.7 | 0.3 | 25.0 |
| Lemon Crush (3 options) | 154 | 644 | 2.3 | 0.7 | 34.6 |
| Berry Remedy (3 options) | 171 | 715 | 1.7 | 0.5 | 38.9 |
| Bangin' Blueberry (3 options) | 276 | 1,155 | 4.7 | 2.9 | 60.4 |
| Water-Mellow Mango (3 options) | 302 | 1,264 | 4.9 | 8.9 | 49.9 |
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 Lemon Crush?
Lemon Crush at Boost Juice ranges from 124 to 195 calories depending on the option. The Medium is 154 kcal (644 kJ).
How much protein is in Boost Juice's Lemon Crush?
2.3 g of protein in the Medium, which works out to 1.5 g per 100 kcal - rated F (high cal) for protein density on Macro Menu.
How many kJ is that?
644 kJ. Australian menus list kilojoules; divide by 4.184 to get calories. 644 kJ is roughly 7% of an 8,700 kJ day.
Is it a lower-calorie choice at Boost Juice?
Within Boost Juice secret menu it is the 2nd 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
Berry Remedy171 kcal · 1.7 g protein
Pure Eden119 kcal · 1.7 g protein
Bangin' Blueberry276 kcal · 4.7 g protein
Water-Mellow Mango302 kcal · 4.9 g protein
Fine Pine Mango306 kcal · 6.4 g protein
Razzberry Mango306 kcal · 5.6 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.