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Standard laboratory tools, accurate micro-pipettes, and sterile bacteriostatic water are sufficient for correct reconstitution and measurement
Finally, the results of one randomized controlled trial in 601 patients with common forms of retinitis pigmentosa indicated that supplementation with 400 IU/day of synthetic vitamin E (equivalent to 180 mg/day of RRR --tocopherol) modestly but significantly accelerated the loss of retinal function compared to placebo (123)
It is produced in the liver and kidneys from lysine and methionine
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A functional methylation blood test measures metabolites that show how the methionine cycle and connected sulfur pathways are operating at the time of collection
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