GL 15.4 per 100 g
Purple potato has a glycemic index of 77, lower than plain Potato (78).
Updated Jul 16, 2026 · Sources: Logi Nutrition Team (USDA-derived composition, AI-assisted) · Not medical advice · Report an error
Logi · Manage Insulin Resistance
Purple potato is one of the 11,150 foods Logi scores when you photograph a meal — with the portion.
Continue on web
| Calories | 86 kcal |
| Carbohydrates | 20.01 g |
| Sugars (Total) | 0.89 g |
| Natural | 0.9 g |
| Added | 0 g |
| Fiber | 1.8 g |
| Soluble | 0.5 g |
| Insoluble | 1.3 g |
| Protein | 1.71 g |
| Fat | 0.1 g |
| Saturated | 0.02 g |
| Unsaturated | 0.08 g |
| Sodium | 7 mg |
Calculate the glycemic load of a meal with Purple potato
No EU-14 allergen listed
Low-GI recipes on Logi Food Coach
Purple potato has a glycemic index of 77 (High) and a glycemic load of 15.4 per 100 g.
Purple potato has a high glycemic index (77), which means it causes rapid blood sugar spikes. People with insulin resistance should limit their intake.
Among the forms of Potato in this database, Canned potatoes has the lowest glycemic load (8.8 per 100 g).
Check Purple potato in the Logi app, with your portion.
Free PDF — 3 pages
Your Weekly Food Journal
Track meals, glycemic load & mood. Spot patterns in 3 weeks.
No spam. Unsubscribe anytime.