Around 38.0 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.
38.00 g / 100 g
415 kcal / 100 g
Protein: 25.00 g
Fat: 12.50 g
Target carbs: 5–10% of calories, cap ~30 g/day.
Even a small serving of formulated bar, mars snackfood us, snickers marathon protein performance bar, caramel nut rush brings 38.00 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 Formulated bar, MARS SNACKFOOD US, SNICKERS MARATHON Protein Performance Bar, Caramel Nut Rush — all regimes, all data:
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