Protein Shake vs Pepsi: Nutrition Comparison
Which is healthier? Compare calories, protein, carbs, and more
Complete side-by-side nutrition comparison per 100g serving | Updated 2026
Which is Healthier?
Protein Shake is generally healthier
Protein Shake comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has more protein (20g vs 0g), more fiber (1g vs 0g), less sugar (2g vs 11g), making it the better choice for most health goals.
Quick Summary
Fewer Calories
Pepsi
43 kcal
More Protein
Protein Shake
20g
More Fiber
Protein Shake
1g
Less Sugar
Protein Shake
2g
Visual Comparison
Side-by-Side Nutrition Table
| Nutrient | Protein Shake | Pepsi | Difference |
|---|---|---|---|
| Calories | 103kcal | 43kcal✓ | +60.0kcal |
| Protein | 20g✓ | 0g | +20.0g |
| Carbohydrates | 3.5g✓ | 11g | -7.5g |
| Fat | 1.5g | 0g✓ | +1.5g |
| Fiber | 1g✓ | 0g | +1.0g |
| Sugar | 2g✓ | 11g | -9.0g |
| Sodium | 100mg | 3mg✓ | +97.0mg |
Serving Size Comparison
All values above are per 100g. Here's how they compare in common serving sizes:
Protein Shake
Pepsi
Diet Compatibility
Protein Shake
Pepsi
When to Choose Protein Shake
- ✓Higher in protein (20g vs 0g)
- ✓More fiber (1g vs 0g)
- ✓Lower in carbs (3.5g vs 11g)
- ✓Less sugar (2g vs 11g)
Common Uses
When to Choose Pepsi
- ✓Lower in calories (43 vs 103)
- ✓Lower sodium (3mg vs 100mg)
Common Uses
Protein Shake vs Pepsi: Nutritional Analysis
Protein Shake is more calorie-dense at 103 calories per 100g compared to 43 for Pepsi, a difference of 60 calories. On the protein front, Protein Shake delivers more with 20g per 100g versus 0g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.
Macronutrient Breakdown
The macronutrient profiles of Protein Shake and Pepsi tell different nutritional stories. Protein Shake provides 3.5g of carbohydrates, 1.5g of fat, and 1g of fiber per 100g, while Pepsi contains 11g carbs, 0g fat, and 0g fiber. The higher fiber content in Protein Shake supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Protein Shake contains 2g while Pepsi has 11g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.
Key Takeaways
- For weight management: Pepsi is the lower-calorie choice at 43 cal/100g, making it more suitable for calorie-controlled diets.
- For muscle building: Protein Shake provides more protein (20g/100g), supporting muscle repair and growth.
- For sustained energy: Protein Shake offers more fiber (1g/100g), which slows digestion and provides steadier energy release.
- Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.
Frequently Asked Questions
Which has more calories, Protein Shake or Pepsi?
Protein Shake has more calories with 103 kcal per 100g, compared to Pepsi with 43 kcal. That's a difference of 60 calories per 100g serving.
Is Protein Shake healthier than Pepsi?
Based on our nutritional analysis, Protein Shake is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Protein Shake has 103 calories, 20g protein, and 1g fiber per 100g. However, the best choice depends on your specific dietary goals.
What is the protein difference between Protein Shake and Pepsi?
Protein Shake has more protein with 20g per 100g, compared to Pepsi with 0g. Protein Shake provides 20.0g more protein per 100g serving.
Which is better for weight loss, Protein Shake or Pepsi?
For weight loss, Pepsi is the better choice with only 43 calories per 100g compared to 103 calories in Protein Shake. Protein Shake also offers 1g of fiber per 100g, which helps you feel fuller longer.
Does Protein Shake or Pepsi have fewer carbs?
Protein Shake has fewer carbs with 3.5g per 100g, compared to Pepsi with 11g. If you're following a low-carb diet, Protein Shake is the better option with 7.5g fewer carbohydrates.
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About Our Data
All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.
Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.