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High-protein, low-carb drink
CALORIES · 100 G
GI
POTASSIUM · 100 G
FIBER · 100 G
1 serving (medium) of Isolate protein shake (30 g) has 16 calories. That works out to 52 calories per 100 g. It contains 0.5 g of carbs, 3.2 g of protein, 0.2 g of fat and 0 g of fiber. Its glycemic index is 30 (low), so it raises blood sugar slowly.
Selected: 1 serving (medium) · 30 g
16
KCAL / 30G
Carbs
0.5g
· 0% DV
Protein
3.2g
· 6% DV
Fat
0.2g
· 0% DV
Fiber
0g
· 0% DV
DV is the share of the daily value covered, on a 2,000 kcal reference diet.
Calories come from: Carbs 12% · Protein 77% · Fat 11%
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 16 kcal | |
| Total fat | 0.2 g | 0% |
| Saturated fat | 0.06 g | 0% |
| Trans fat | 0 g | |
| Sodium | 17 mg | 1% |
| Total carbohydrate | 0.5 g | 0% |
| Fiber | 0 g | 0% |
| Protein | 3.2 g | 6% |
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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| Serving | Amount | Calories |
|---|---|---|
| 1 serving (medium) | 30 g | 16 kcal |
| 1 tablespoon (small) | 8 g | 4 kcal |
| 2 tablespoon (medium) | 16 g | 8 kcal |
| 1 ounce (medium) | 28 g | 15 kcal |
| 1.5 serving (large) | 45 g | 23 kcal |
| 2 serving (double) | 60 g | 31 kcal |
| 100 g | 100 g | 52 kcal |
| 1 cup (medium) | 240 g | 125 kcal |
| 1 bottle (large) | 330 g | 172 kcal |
Calculated from 52 calories per 100 g.
An isolate protein shake is usually made from whey protein derived from milk. The whey is filtered to remove much of its fat and lactose, then dried into powder and mixed with liquid; it is a processed drink, not a whole-food protein source.
An isolate protein shake is not automatically better than one made with whey concentrate. Isolate is more extensively filtered and generally contains less lactose and fat, while concentrate is less filtered; the better choice depends on your needs and tolerance.
You can improve an isolate protein shake’s taste by blending it with a banana, berries, or unsweetened cocoa. Mixing it with milk instead of water also makes it creamier; add liquid first when using a shaker to help prevent clumps.
You can drink an isolate protein shake whenever it helps you meet your protein needs. Many people use it after exercise for convenience, but there is no requirement to drink it immediately after a workout if you have other protein-containing foods.
Yes, an isolate protein shake can help provide protein needed for muscle repair and growth. It works as a convenient addition to regular resistance training and a balanced diet, rather than building muscle on its own.
No, an isolate protein shake alone is not a complete meal. It supplies protein but does not provide the range of fibre and other nutrients found in a balanced meal; pair it with foods such as fruit, oats, or nuts if you need something more substantial.
Some people with lactose intolerance tolerate an isolate protein shake because filtration removes much of the lactose, but it may not be lactose-free. It is still made from milk, and individual tolerance varies; try a small amount first if you are unsure.
Yes, most healthy adults can include an isolate protein shake every day if it is useful to them. It should complement rather than crowd out varied foods; if you have kidney disease, ask your doctor or dietitian before using it regularly.
Yes, an isolate protein shake breaks a fast because it contains protein and energy. It is not suitable during a strict fasting window, though you can have it during the eating period if it fits your routine.
An isolate protein shake can support a weight-loss plan when it replaces a more energy-dense snack and helps you feel satisfied. It does not cause fat loss by itself, and using it in addition to your usual food may add rather than reduce energy intake.
Vitamins
B2
0.04mg · 3% DV
B12
0.05µg · 2% DV
Biotin
0.45µg · 2% DV
B5
0.05mg · 1% DV
Minerals
Phosphorus
29mg · 4% DV
Calcium
36mg · 4% DV
Selenium
1.05µg · 2% DV
Potassium ⭐
48mg · 1% DV
Sodium
17mg · 1% DV
GLYCEMIC INDEX
GLYCEMIC LOAD
Accounts for portion size — a more realistic measure than GI alone.
To burn the 16 calories in 1 serving (medium) (30 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.
An isolate protein shake is a drink made by mixing protein-isolate powder with water or milk. Many versions use whey protein isolate, though flavours and formulations vary. Mixed with water, it tends to be light; milk usually gives it a creamier texture.
It is commonly used after exercise or as a quick snack, and can also be blended into breakfast smoothies. Its nutritional profile is centred on protein, with relatively little carbohydrate. For a lighter drink, mix it with water; for a more filling option, use milk or add it to a smoothie with fruit. Check the product label if you are choosing a particular flavour or formulation.
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.
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.
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.
Contains these allergens:
Vegan
— Not suitable
Vegetarian
✓ Suitable
Gluten-Free
✓ Suitable
Dairy-Free
— Not suitable
Mediterranean
✓ Suitable
Paleo
— Not suitable
Whole30
— Not suitable
DASH
— Not suitable
Keto
✓ Suitable
Low FODMAP
— Not suitable
SATURATED
0.06g
MONOUNSATURATED
0.04g
POLYUNSATURATED
0.03g
Omega 6:3 ratio 2:1
Below the ideal 4:1 — a good omega balance.
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Nutrition data compiled from USDA FoodData Central and scientific sources.