Whey protein
Low GI
GL 1.9 per cup (97 g) · GL 2 per 100 g
- Very high protein content
- Highly processed
Whey protein has a glycemic index of 30 (Low). One cup (97 g) adds a glycemic load of 1.9.
Reviewed Aug 6, 2026 · Sources: USDA FoodData Central #173180 , Logi Nutrition Team · Not medical advice · Report an error
Forms of Whey protein
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Whey protein is one of the 11,117 foods Logi scores when you photograph a meal — with the portion.
Portions
| Portion | Grams | GL |
|---|---|---|
| 1 cup | 97 g | 1.9 |
Nutrition Facts (per 100g)
per 100g
| Calories | 400 kcal |
| Carbohydrates | 8 g |
| Sugars (Total) | 6 g |
| Natural | 6 g |
| Added | 0 g |
| Fiber | 1 g |
| Soluble | 0.3 g |
| Insoluble | 0.7 g |
| Protein | 80 g |
| Fat | 7 g |
| Saturated | 4 g |
| Unsaturated | 3 g |
| Sodium | 200 mg |
Processing Level
Why this score?
- Very high protein content
- Low in added sugars
- Contains essential amino acids
- Highly processed
- Contains some saturated fat
- Low fiber content
Low-GI recipes on Logi Food Coach
Frequently Asked Questions
What is the glycemic index of Whey protein?
Whey protein has a glycemic index of 30 (Low). One cup (97 g) has a glycemic load of 1.9; per 100 g the glycemic load is 2.
Is Whey protein good for people with insulin resistance?
Whey protein has a low glycemic index (30), making it a good option for people with insulin resistance. It causes a slow, gradual rise in blood sugar.
Which form of Whey protein has the lowest glycemic load?
Whey protein has the lowest glycemic load of all forms of Whey protein in this database (2 per 100 g).
Check Whey protein in the Logi app, with your portion.
