Heterozygous A1298C Boy 14 years old

My son was born with a heart murmur. Checked with EKG at age 3 and was told it was an innocent murmur. In kindergarten he fainted. Doctor sent us to neurologist for EEG and MRI. EEG showed epileptic brain waves. MRI was clear but did show “moderate to marked hypertrophy of the adenoids and the palatine tonsils. Sent to ENT Doc. Said tonsils were a 3 out of 4 that’s why he seems to snore when he breaths. Had tonsils removed on April 5, 2004. He has never had any seizures or other unusual behavior and breaths freely now. However, passed out again in the 4th grade and again on January 21, 2012. After I discovered in October I was compound heterozygous A1298C and C677T I had my children tested. Both came up heterozygous A1298C (my husband was tested and he is heterozygous C677T). I started taking HomocysteX on January 31, 2012 (started with 2 per day) I switched to this from what I was already taking because I feel it is more complete. Doctor appointment for kids yesterday. Doctor wants both kids (daughter just turned 12) to take a vitamin called PhytoMulti from Metagenics because it contains active L-5 Methyfolate 800mcg and active methyl B12 200mcg and A sublingual B-12 1000mcg and EPA/DHA fish oil daily. Both children came up deficient in vitamin D so they are supplementing for that as well. She wants my son to have another EKG to follow up on the murmur since one was never done and another EEG to check the status of the brain waves. She wants us to wait 6 weeks so the methyl donors can do there job before we go. My son is 6’1″ and weighs about 115. He is very tall (my husband and I are also very tall). I want to know your opinion about the methylators. Is it enough? This doctor prescribes Vessel Care, a sublingual methyl B-12 and Sam-E to patients with MTHFR. I’ve done extensive research and no other doctors with a lot of knowledge about MTHFR recommend just these items. This is why I changed over to the HomocysteX and I have been doing better. My children are straight A students. My daughter has never had any health problems. I have a garden and try to grow as much of my own food as possible. Processed food and eating out is extremely rare at our house. I prepare everything like my great grandmother would have I even can my own foods. I don’t want my kids to end up with health like me where I am in damage control trying to fix the MTHFR. I want to get them on the right path now and set them up for good health moving forward. I would appreciate your comments.