The MTHFR polymorphisms within the homozygous or compound heterozygous type only lower enzyme generation mildly and they are Therefore of restricted pathogenicity.12 The 677C>T polymorphism during the homozygous type may perhaps cause moderate homocystinuria due to lowered MTHFR action. Also, it is useful to know that any reaction you have https://vitagenis.com/product/methyl-folate-balance