These effects make dietary antioxidants ideal candidates
to influence key traits in life history (von Schantz et al.
1999). The same may be true for endogenous antioxidants,
such as superoxide dismutase or uric acid (Vertuani
et al. 2004). However, little is known about their interindividual
variation and their relevance for behavioural traits.
We thus focus our review exclusively on dietary
antioxidants