So I just got my 23andme results back and it came back with homozygous MTHFR c677t mutation as well as CBS c699t heterzygous mutation. According to Dr. Yasko I should treat the CBS mutation first before dealing with the MTHFR. I'm going to doctor on Monday to have an UAA done so I can measure my taurine and ammonia levels, and I've ordered sulfate strips to measure sulfur levels. In general Dr. Yasko recommends lowering protein levels because of the high sulfur content of legumes and flesh foods. However, I am looking into gaining muscle strength as I am recovering from ACL surgery and want to be competitive in soccer again. Here-in lies the issue, I can't deal with my mutations without compromising muscle strength and I can't have muscle strength without having sulfur symptoms. Apparently the sulfur containing amino acids are l-methionine and l-cysteine (I am not well versed in chemistry so if I'm incorrect here please let me know). Would it be possible for me to create my own protein powder consisting of all the amino acids (if I ordered each one individually) and mix them all together minus the methionine and l-cysteine? Is this ill-advised? Will an increase in all amino acids while except for methionine and l-cysteine cause problems? Perhaps the best approach is to go on a very low protein diet for now, accept that my muscle strength will falter, recover from CBS symptoms, and then slowly add one source of protein back into my diet and see if symptoms return/test results change.