In a study in healthy volunteers
we monitored plasma ammonia levels
after a drink containing 60 g BCAA, and
found that although plasma ammonia
concentrations were elevated over 6 h,
the average maximum elevation
(52(52 mmol/l) was below toxic plasma levels
(480mmol/l) (Scarna ` et al, 2001). However, higher doses or longer-term use of
BCAA treatment might require liver
function test monitoring.