2 March 1998
Dear Colleague
A 20-year-old patient of ours with 5,10-methylenetetrahydrofolate reductase deficiency is having a very difficult time trying to eat the 6 grams of betaine each day needing to keep her plasma L-homocysteine concentration low.
She has tried mixing it with a variety of solids and liquids, but now gags immediately when she tries to swallow it.
We would be grateful for any suggestions.