Almond flour is a popular keto-friendly substitute for wheat flour.
Coconut flour is a popular keto-friendly substitute for wheat flour.
Regular bread is not keto-friendly, but there are keto-friendly alternatives.
Flaxseed meal is keto-friendly as its high carbs carb count mostly comes from fiber.
ThinSlim's Zero Carb Bread is a keto-friendly alternative to wheat bread.