Athletic IQ kit is made to order. Deadlines: 1st and 15th of each month. We aim to deliver within 2 weeks, subject to availability. Contact us if there is a delay. UK delivery is free. Fulfilled by Peter Spivey Ltd. Dismiss
- Energy balance — the relationship between energy in (food) and energy out (what your body uses).
- Energy in — calories from food and drink.
- Energy out — energy used for BMR, activity and digestion.
- Calorie (kilocalorie) — a unit used to measure energy from food.