I believe that :
Quote:
rs1801133 is a SNP that is relatively common and has been studied for (relatively) a long time. Also known as C677T, Ala222Val, and A222V, it encodes a variant in the MTHFR gene, which encodes an enzyme involved in folate metabolism.
Homozygous rs1801133(T;T) individuals have ~30% of the expected MTHFR enzyme activity, and rs1801133(C;T) heterozygotes have ~65% activity, compared to the most common genotype, rs1801133(C;C).
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from
http://snpedia.com/index.php/Rs1801133
This link has a more complete explanation.
Your TT means you do not methylate properly so should be using methylB12 and methylfolate.
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Weezie looking at petunias 8.25.2017
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