Amino bitter D.L.P.A for cramp?

Trying to find how much DL-Phenalynanine to take on the net have been confusing. Can anyone tell me how much of this stuff is to be taken for anguish & how much is too much?
How could i acquire?
Answers:    Too much phenylalanine from supplements can cause (irreversible) brain damage.

Penylalanine is one of the 8 essential amino acids so it occur in all animal protein as powerfully as other foods. This presents no problems.

The danger occurs if you hold overdoses of phenylalanine supplements.