Homocysteine ​​at 39

I am 19 years old and I am underweight at most 47 kilos with a height of 1.74 m and a marfanoid appearance and the homocysteine ​​results are 39 My doctor said not to worry and to take the supplement daily and evaluate it in a month He says that cardiovascular events with homocysteine ​​like this still happen to this one and still do Is it possible to lower it to at least 10 or very unlikely? I don't know if I have mutations....homocystinuria leads to a marfanoid appearance but very high levels of mine (100 plus) on the other hand mthfr brings moderate values ​​not so high I've always led a wrong life with insomnia, eating only for lunch and dinner, maybe I don't know that