The Juice Problem

Why fruit juice is metabolically closer to soda than to fruit.

What the evidence says

  • Highest sugar-sweetened beverage intake (1-2 servings/day) vs. lowest: 26% greater risk of type 2 diabetes[1]
  • Liquid carbohydrates in general produce less satiety than solid carbohydrates, and compensation at later meals is incomplete rather than absent[2]
  • SSBs include: soft drinks, fruit drinks, iced tea, energy drinks, vitamin water[1]
  • The physical form of carbohydrate is ”an important component that may affect the satiety process”[2],[1]
  • Average fruit juice fructose (~45.5 g/L) is close to soda (~50 g/L); apple juice can exceed Coca-Cola (66 g/L vs 62.5 g/L)[3]
  • Despite similar fructose content, fruit juices contain vitamins, antioxidants, and flavanones (hesperidin, naringenin) that soda lacks — unclear if they lead to the same metabolic consequences at equal doses[3]