What reduces blood glutamate levels?

Question

What reduces blood glutamate levels?

Answer 1

BCAA+B-vitamins may increase enzymes that use glutamate.

(Aerobic) exercise (long walks) activates muscles which use glutamate.

Heat stress in body reduces glutamate levels (but heat stress in head increases glutamate toxicity).

Ketosis (ketogenic diet) may help too.

Creatine have some effect on glutamate levels (mostly brain?).