S2. Peptide hormones, growth factors and related substances
What are peptide hormones, growth factors and related substances?
This class contains substances with many different effects on the system. Most of them are naturally occurring but there are also synthetic. These substances act like “managers” that issue “orders” to the system. For example, they may be responsible for the production of endogenous steroids, recovery of various tissues, enhancement of oxygen transfer, etc.
S4. Hormone and metabolic modulators
S5. Diuretics and other masking agents
M1. Manipulation of blood and blood components
M2. Chemical and physical manipulation
Substances and methods prohibited at all times
