On a ride of more than 1 hour of hard effort, what does MedlinePlus say you also need during the exercise?

Start playing free

  1. Only plain water
  2. Extra protein only
  3. Carbohydrates, like bananas or raisins

🔒 The answer is for SESK members. Members see the answer, why it's right and the official sources for every card of Stuff Every Cyclist Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. MedlinePlus: Nutrition and athletic performance medlineplus.gov/ency/article/002458.htm Checked 2026-10-12.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game