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
- Hormone — a chemical messenger that travels in the blood and affects how cells work.
- Growth hormone — hormone that stimulates growth in height, bone and muscle.
- Testosterone — sex hormone that supports muscle, bone and other changes, higher overall in males.
- Oestrogen — sex hormone that supports development of female characteristics and bone health, higher overall in females.
- Menstrual cycle — regular changes in hormones and the uterus lining that prepare the body for a possible pregnancy.
