Around 23.9 g net carbs per 100 g — a single portion can exceed a full keto day's carb budget.
For keto, the key number is net carbs per 100 g: if it's under ~5 g, you're fine; over ~10 g, portions matter; over 20 g, skip it.
23.91 g / 100 g
219 kcal / 100 g
Protein: 9.77 g
Fat: 8.45 g
Target carbs: 5–10% of calories, cap ~30 g/day.
Even a small serving of fast foods, submarine sandwich, meatball marinara on white bread brings 23.91 g of net carbs per 100 g. That's often several times a Keto-friendly daily budget in a single portion.
Better choices in the same category are typically listed in our foods database — look for options under 5 g net carbs per 100 g.
See the canonical entry for Fast foods, submarine sandwich, meatball marinara on white bread — all regimes, all data:
Open the full Fast foods, submarine sandwich, meatball marinara on white bread profile →