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Ready-to-drink protein shake Calories
High-protein ready-to-drink beverage, typically milk-based and processed
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
Quick answer
1 bottle (medium) of Ready-to-drink protein shake (330 g) has 257 calories. That works out to 78 calories per 100 g. It contains 15.8 g of carbs, 34.7 g of protein, 5.9 g of fat and 1.3 g of fiber. Its 346.5 mg of Phosphorus covers 50% of the Daily Value. Its glycemic index is 32 (low), so it raises blood sugar slowly.
Ready-to-drink protein shake Nutrition Facts
Selected: 1 bottle (medium) · 330 g
257
KCAL / 330G
Carbs
15.8g
· 6% DV
Protein
34.7g
· 69% DV
Fat
5.9g
· 8% DV
Fiber
1.3g
· 5% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 25% · Protein 54% · Fat 21%
Ready-to-drink protein shake nutrition facts table · 1 bottle (medium) (330 g)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 257 kcal | |
| Total fat | 5.9 g | 8% |
| Saturated fat | 3.63 g | 18% |
| Trans fat | 0.1 g | |
| Sodium | 281 mg | 12% |
| Total carbohydrate | 15.8 g | 6% |
| Fiber | 1.3 g | 5% |
| Protein | 34.7 g | 69% |
Calories: Calories measure energy. Average daily need is 2,000 kcal. Excess calories are stored as fat, too few cause weight loss.
Carbs: Your body's primary energy source. The brain runs exclusively on carbs. Daily need: 275g.
Protein: Essential for muscle repair and cell growth. Daily need: 50g. Keeps you full and boosts metabolism.
Fat: Needed for hormone production and vitamin absorption. Daily need: 78g. Limit saturated fats, choose unsaturated.
Fiber: Critical for digestive health and satiety. Daily need: 28g. Stabilizes blood sugar, lowers cholesterol.
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How Many Calories in 1 Bottle of Ready-to-drink protein shake?
| Serving | Amount | Calories |
|---|---|---|
| 1 bottle (medium) | 330 g | 257 kcal |
| 100 g | 100 g | 78 kcal |
| ½ bottle (half) | 165 g | 129 kcal |
| 1 cup (medium) | 240 g | 187 kcal |
| 1 bottle (small) | 250 g | 195 kcal |
| 1 pack (small) | 250 g | 195 kcal |
| 1 can (medium) | 325 g | 254 kcal |
| 1 bottle (large) | 500 g | 390 kcal |
Calculated from 78 calories per 100 g.
Frequently Asked Questions About Ready-to-drink protein shake
What is a ready-to-drink protein shake?
A ready-to-drink protein shake is a pre-mixed, packaged beverage that provides protein without needing a blender or shaker. Many are milk-based, so their ingredients, sweetness, and suitability for people with dairy intolerance vary by product.
Can you drink a ready-to-drink protein shake after a workout?
Yes, it can be a convenient way to get protein after exercise. There is no need to drink it immediately after your final set; your overall protein intake across the day matters more than a narrow post-workout window.
Can a ready-to-drink protein shake replace a meal?
Usually, it is not a complete meal replacement. A shake can provide protein but may lack the variety and fiber of a meal; pair it with foods such as fruit, oats, or whole-grain toast if it is standing in for lunch or breakfast.
Does a ready-to-drink protein shake help with weight loss?
It may support a weight-loss plan if it replaces a less filling, higher-calorie snack, since protein can help with fullness. Adding it on top of your usual meals does not automatically promote weight loss.
How many ready-to-drink protein shakes should you have a day?
There is no fixed number that suits everyone. Use a ready-to-drink protein shake to supplement the protein in your meals rather than relying on it as your main source, and account for its sugars and other ingredients.
How is a ready-to-drink protein shake different from protein powder?
A ready-to-drink protein shake comes already mixed, while protein powder needs to be combined with a liquid. The packaged drink is convenient when travelling; powder lets you choose the liquid and adjust how much you prepare.
Does a ready-to-drink protein shake need to be refrigerated?
An unopened shake may be shelf-stable or require refrigeration, depending on how it is packaged. Once opened, refrigerate it and follow the product’s instructions for how soon to finish it.
Can you drink a ready-to-drink protein shake before bed?
Yes, drinking one before bed is generally fine. It does not have a special effect on body fat because of the time of day; avoid it close to bedtime if the drink makes you feel too full or unsettles your stomach.
Can people with diabetes drink a ready-to-drink protein shake?
Often, but the carbohydrate and added-sugar content varies between ready-to-drink protein shakes and can affect blood glucose. People with diabetes should account for the drink in their meal plan; those using glucose-lowering medication can ask their care team about fitting it in.
Can you mix a ready-to-drink protein shake into coffee?
Yes, you can add a ready-to-drink protein shake to coffee, but very hot coffee may make its milk proteins clump. Stir the shake into coffee that has cooled slightly, or add the coffee gradually while stirring.
Ready-to-drink protein shake Vitamins & Minerals
Vitamins
B12
1.15µg · 48% DV
B2
0.59mg · 45% DV
B5
1.15mg · 23% DV
Biotin
6.6µg · 22% DV
Minerals
Phosphorus
347mg · 50% DV
Calcium
396mg · 40% DV
Selenium
13µg · 24% DV
Iodine
33µg · 22% DV
Potassium ⭐
545mg · 16% DV
Sodium
281mg · 12% DV
Ready-to-drink protein shake Glycemic Index
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
How to Burn Off Ready-to-drink protein shake
To burn the 257 calories in 1 bottle (medium) (330 g):
🚶
Walking (5 km/h)
🏃
Running (8 km/h)
🚴
Cycling
🏊
Swimming
Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.
What is Ready-to-drink protein shake?
A ready-to-drink protein shake is a packaged beverage, usually made with a milk base and sold ready to pour or drink from the bottle. It tends to be smooth and mildly sweet, though flavour and thickness vary between products; it is usually served chilled.
People often reach for one as a quick breakfast, an on-the-go snack or something convenient after exercise. It is notably protein-rich: the supplied nutrition figures list 10.5 g of protein per 100 g. Pair it with fruit or oats if you want a more substantial snack, or compare labels for energy and sweetness when choosing a lighter option.
How Nutritious Is Ready-to-drink protein shake?
Nutrient density
Medium
How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.
Satiety score
Medium
An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.
Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.
Is Ready-to-drink protein shake Processed?
NOVA 3
Processed
1. Unprocessed
2. Minimally Processed
3. Processed
4. Ultra-Processed
NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.
Does Ready-to-drink protein shake Contain Allergens?
Contains these allergens:
Which Diets Is Ready-to-drink protein shake Good For?
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
— Not suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
— Not suitable
Low FODMAP
— Not suitable
Ready-to-drink protein shake Fat Profile
SATURATED
3.63g
MONOUNSATURATED
1.49g
POLYUNSATURATED
0.69g
Omega 6:3 ratio 5.9:1
Above the ideal 4:1 (5.9:1).
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Nutrition data compiled from USDA FoodData Central and scientific sources.