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We found that Tbx1 +/ mice and Df1/ + mice, with a multigenic deletion that includes Tbx1 , have elevated brain methylmalonic acid, which is highly brain-toxic

An intradermal test dose is recommended before cyanocobalamin injection is administered to patients suspected of being sensitive to this drug

Only once youre eating enough high quality sources of Vitamin B12 and have tested and healed your gut, whether thats H.pylori, SIBO, parasites or other sources of inflammation, should you be looking to MTHFR gene testing

Always check product instructions and patch test first if your hair or scalp are very sensitised