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A small mound of fine, pale cream-colored whey protein powder with a soft, slightly fluffy texture sits in a simple bowl.
●Low GI
💪High Protein

Plain Whey Protein Calories

High protein, low carbohydrate, fast absorption

CALORIES · 100 G

390kcal

GI

35low

POTASSIUM · 100 G

260mg

FIBER · 100 G

0g

Quick answer

1 slice (medium) of Plain Whey Protein (30 g) has 117 calories. That works out to 390 calories per 100 g. It contains 2.1 g of carbs, 23.4 g of protein, 1.5 g of fat and 0 g of fiber. Its 0.5 mg of B2 covers 35% of the Daily Value. Its glycemic index is 35 (low), so it raises blood sugar slowly.

Plain Whey Protein Nutrition Facts

Selected: 1 slice (medium) · 30 g

117

KCAL / 30G

Carbs

2.1g

· 1% DV

Protein

23.4g

· 47% DV

Fat

1.5g

· 2% 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 7% · Protein 81% · Fat 12%

Plain Whey Protein nutrition facts table · 1 slice (medium) (30 g)

NutrientAmount% DV
Calories117 kcal
Total fat1.5 g2%
Saturated fat0.96 g5%
Trans fat0 g
Sodium54 mg2%
Total carbohydrate2.1 g1%
Fiber0 g0%
Protein23.4 g47%

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 Slice of Plain Whey Protein?

ServingAmountCalories
1 slice (medium)30 g117 kcal
1 tablespoon (small)10 g39 kcal
1 tablespoon (large)15 g59 kcal
1 cup (small)25 g98 kcal
1 serving (medium)30 g117 kcal
1 cup (medium)35 g137 kcal
1 slice (large)40 g156 kcal
1 serving (large)40 g156 kcal
1 cup (large)50 g195 kcal
100 g100 g390 kcal

Calculated from 390 calories per 100 g.

Frequently Asked Questions About Plain Whey Protein

What is plain whey protein made from?

Plain whey protein is made from whey, the liquid separated from milk during cheesemaking, which is then processed into a powder. “Plain” means unflavoured; it does not mean dairy-free or necessarily free of lactose.

How do you stop plain whey protein from clumping?

Add plain whey protein to liquid gradually while stirring or shaking, rather than dumping it into a full glass. A shaker bottle or blender usually gives a smoother drink; mixing the powder first with a small amount of liquid also helps.

Is plain whey protein concentrate or isolate?

Plain whey protein can be either concentrate or isolate; “plain” describes the flavour, not the type. Concentrate generally retains more lactose and other components of whey, while isolate is further filtered. The product’s ingredient name identifies which one it is.

Should you take plain whey protein before or after lifting weights?

You can take plain whey protein either before or after lifting weights. Having it after training is a convenient way to add protein to your recovery meal, but the overall protein in your diet matters more than timing it to a narrow post-workout window.

Can you add plain whey protein to a smoothie?

Yes, plain whey protein blends well into smoothies and lets the fruit or other ingredients provide the flavour. Blend it with liquid first, then add thicker ingredients if needed; this helps prevent powder pockets and gives the smoothie a more even texture.

Can plain whey protein be used in baking?

Yes, plain whey protein can be added to pancakes, muffins, and other baked foods. It does not behave exactly like flour, so replacing too much flour can make the result dry or rubbery. Add moisture and use it as only part of the dry ingredients.

Does plain whey protein contain lactose?

Plain whey protein may contain lactose, particularly if it is whey concentrate. “Plain” means unflavoured, not lactose-free. If lactose causes you symptoms, look for a product specifically identified as whey isolate or lactose-free, rather than relying on the flavour description.

Can plain whey protein help with weight loss?

Plain whey protein can help you feel satisfied when it adds protein to a meal or snack, but it does not cause weight loss by itself. Blending it with calorie-dense extras can make the drink more substantial, so consider how it fits into your usual meals.

Can you drink plain whey protein before bed?

Yes, you can drink plain whey protein before bed if it suits your routine and does not upset your stomach. Whey digests relatively quickly, so it is not the slow-digesting bedtime option that casein is; a bedtime shake is not essential for everyone.

Is plain whey protein safe for people with kidney disease?

People with kidney disease should ask their doctor or dietitian before using plain whey protein. Some kidney conditions require an individualized protein intake, so advice intended for healthy gym-goers may not be appropriate.

Plain Whey Protein Vitamins & Minerals

Vitamins

B2

0.45mg · 35% DV

B12

0.75µg · 31% DV

B5

0.75mg · 15% DV

B1

0.12mg · 10% DV

Minerals

Phosphorus

105mg · 15% DV

Calcium

144mg · 14% DV

Selenium

2.4µg · 4% DV

Magnesium

18mg · 4% DV

Sodium

54mg · 2% DV

Potassium ⭐

78mg · 2% DV

Plain Whey Protein Glycemic Index

GLYCEMIC INDEX

35
Low
0 Low5570100

GLYCEMIC LOAD

0.6
Low

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off Plain Whey Protein

To burn the 117 calories in 1 slice (medium) (30 g):

🚶

29min

Walking (5 km/h)

🏃

12min

Running (8 km/h)

🚴

16min

Cycling

🏊

14min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

What is Plain Whey Protein?

Plain whey protein is a powder made by drying whey, the liquid separated from milk during cheesemaking. With no added flavouring, it has a mild, milky taste and mixes into water or milk; it can also be stirred into yoghurt, oats or a smoothie.

It is commonly used in post-workout drinks and quick breakfasts, though it also fits into everyday cooking. Its nutritional profile is concentrated mainly in protein, with 78 g per 100 g. For a lighter drink, mix it with water; milk gives it a creamier texture, while fruit or oats can make a smoothie more substantial.

How Nutritious Is Plain Whey Protein?

Nutrient density

Very high

80/ 100

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

Low

31/ 100

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 Plain Whey Protein 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 Plain Whey Protein Contain Allergens?

Contains these allergens:

Gluten free
Dairy yes
Eggs free
Peanuts free
Tree nuts free
Fish free
Soy free
Sesame free

Which Diets Is Plain Whey Protein Good For?

Vegan

— Not suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

✓ Suitable

Paleo

✓ Suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

Plain Whey Protein Fat Profile

SATURATED

0.96g

MONOUNSATURATED

0.33g

POLYUNSATURATED

0.06g

⚖️

Omega 6:3 ratio 1.5:1

Below the ideal 4:1 — a good omega balance.

Compare Plain Whey Protein

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🥚

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🍲

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🥤

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380 kcal

🍳

Menemen

95 kcal

🥘

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85 kcal

🍆🥩

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🧴

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🥤

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370 kcal

Have another question about Plain Whey Protein?

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Nutrition data compiled from USDA FoodData Central and scientific sources.