Home / Jamba vs Smoothie King
smoothies · head-to-head
Jamba vs Smoothie King: which is better for your macros?
The top protein play at Jamba is the PB & Banana Protein Smoothie (Whey), Large (51g protein, 830 cal); Smoothie King answers with the Gladiator Chocolate (20 oz) (46g, 230 cal). Below, all 29 meals we track at both chains go head-to-head on protein, calories, low-carb and vegetarian options — from each brand's official nutrition data, not AI guesses — with a verdict for cutting, bulking and keto.
The tale of the tape
Jamba vs Smoothie King, by the numbers
| Head-to-head | Jamba | Smoothie King |
|---|---|---|
| Highest-protein meal | 51g PB & Banana Protein Smoothie (Whey), Large | 46g Gladiator Chocolate (20 oz) |
| Leanest meal | 390 cal Protein Berry Workout Smoothie (Soy), Medium | 160 cal Slim-N-Trim Strawberry (20 oz) |
| Avg protein per meal | 17g | 25g |
| Avg calories per meal | 495 cal | 312 cal |
| Meals at 425 cal or less | 2 | 10 |
| Low-carb / keto meals | 0 | 4 |
| Vegetarian meals | 0 | 2 |
| Meals tracked | 15 | 14 |
✓ marks the stronger number for that row (more protein, fewer calories, or more options). Computed from the 29 meals we track — not the chains' full menus.
Top 5, ranked by protein
The highest-protein meals, side by side
🥤 Jamba
| # | Meal | Protein | Calories |
|---|---|---|---|
| 1 | PB & Banana Protein Smoothie (Whey), Large whey protein boost | 51g | 830 |
| 2 | PB & Banana Protein Smoothie (Whey), Medium whey protein boost | 44g | 650 |
| 3 | PB & Banana Protein Smoothie (Soy), Small soy protein boost | 32g | 460 |
| 4 | Protein Berry Workout Smoothie (Whey), Large whey protein boost | 24g | 450 |
| 5 | Chunky Strawberry Bowl topped with granola, strawberries & peanut butter | 20g | 580 |
🥤 Smoothie King
| # | Meal | Protein | Calories |
|---|---|---|---|
| 1 | Gladiator Chocolate (20 oz) Gladiator Protein blend (whey isolate, egg white, micellar casein), cocoa, water; no fruit add-ins | 46g | 230 |
| 2 | Gladiator Vanilla (20 oz) Gladiator Protein blend (whey isolate, egg white, micellar casein), vanilla, water; no fruit add-ins | 45g | 220 |
| 3 | High Protein Greek Yogurt PB Banana Bowl Greek nonfat yogurt, Purely Elizabeth granola, banana, cacao nibs, peanut butter drizzle, honey, diced strawberries | 35g | 600 |
| 4 | High Protein Greek Yogurt Honey Berry Bowl Greek nonfat yogurt, Purely Elizabeth granola, strawberries, blueberries, chia seeds, honey | 32g | 440 |
| 5 | The Activator Recovery Strawberry Banana (20 oz) Bananas, strawberries, apple juice blend, coconut water, Gladiator vanilla protein | 28g | 270 |
MacroBite scores these against your daily protein & calorie targets and logs them in one tap. Get the app →
The verdict
Which is better for your goal?
Cutting
Smoothie King takes it. Its leanest high-protein pick, the Gladiator Vanilla (20 oz), packs 45g of protein into 220 calories — 20.5g per 100 cal, ahead of Jamba's best (PB & Banana Protein Smoothie (Soy), Small, 32g for 460 cal, 7.0g per 100 cal). Smoothie King lists 10 meals at 425 calories or less; Jamba has 2.
Bulking
Jamba wins on raw protein. The PB & Banana Protein Smoothie (Whey), Large tops out at 51g (830 cal), beating Smoothie King's biggest hitter, the Gladiator Chocolate (20 oz), at 46g. For repeat trips, Jamba has 3 meals with 30g+ protein vs 4 at Smoothie King.
Keto
Smoothie King is the keto-friendlier menu with 4 low-carb meals vs 0 at Jamba. Best keto pick: the Gladiator Chocolate (20 oz) — 46g protein, 5g carbs, 230 calories.
How we score it: cutting = most protein per calorie (25g protein floor) · bulking = highest absolute protein · keto = low-carb meals (20g carbs or less, or flagged low-carb in the official data). General nutrition info, not medical advice.
Dig deeper: full Jamba menu → · full Smoothie King menu → · all chains ranked →
“Great app that comes in handy while dieting. I don't have to think about what to order, any pick from the app will keep me within my calories.”
“I've never had an app tell me all the healthy options at different fast foods.”
“Helped me hit my goals and gave amazing recommendations!”
Settle Jamba vs Smoothie King with your own macros.
MacroBite scores every meal at both chains against the calories and protein you have left today — and logs it in one tap.
Rated 4.7★ by 1000+ people · 3-day free trial · Cancel anytime
