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U need lithium orotate to help b12 to b absorbed into ur cells. Ur levels would b high as the B12 is not entering the cells and building up in ur red blood cells. This in actual fact could mean u r b12 deficient

Actually, you probably have the polymorphism rs492602 (C;C or A;A) causing better intestinal absorption of B12, making your plasma level 1.5x higher. That is the problem with Livewello that just because you are homozygous and it shows red ...does not mean it is a bad thing. I too was confused by this. I am homozygous for all 3 FUT2 genes on the Livewello variance report. FUT2 rs602662 (G;G) will lower your plasma levels. Further if you have MTHFR C677T rs1801133 (A;A) you are not absorbing folic acid and so the B12 builds up in your system with nothing to do, so this too may cause higher B12 levels.

Often high blood levels represent deficiency
in the cells. If B12 is not getting in to your cells you will have a higher then expected B12 level in the blood. Try a different form hydroxy or adenosyn

I switched to a sublingual hydroxycobalamin and added the mineral Lithium Orotate 5mg (not to be confused with the high dose prescription lithium carbonate.) The mineral salt, Lithium Orotate, drives B-12 into the cell. After switching to that protocol for a few months, my functional physician did an MMA test and my B-12 results were perfectly in range. Lithium Orotate is available over the counter. You can purchase it from Amazon. Might be worth a whirl!

Just as JF6507 said, it may not be getting into the cells. Cynocobalamin is the largest b-12 molecule, with methylcobalamin smaller, hydroxocobalamin being smaller and adenocobalamin the smallest. I cannot tolerate methylcobalamin so I use the other 3. Each as a slightly different use.

Your blood would only be showing signs of deficiency only after years and years of severe deficiency. B12 levels are generally well maintained in the blood. There are other ways to test for a deficiency though; talk to your functional medicine practitioner.

Thanks, JF6507! I think you hit the nail on the head. I'm homozygous for TCN2. Do you know if that means I should supplement with methylcobalamin?

It might not be getting into the cell. Check for TCN snps.