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Loren Pickart estimated that toxic effects would begin at approximately 22,500 mg, which represents a 300-fold margin above effective therapeutic doses

Singh, Evaluation of oxidative stress before and after control of glycemia and after vitamin E supplementation in diabetic patients, Metabolism

While traditionally described as being absorbed directly through the mucous membranes in the mouth, research suggests that much of the dose is actually swallowed and absorbed through the digestive system via passive diffusion, similar to standard oral tablets

But closer analysis into scattering factor through sequence analysis and complementary deoxyribonucleic acid (cDNA) cloning concluded that HGF and scattering factor are indeed indistinguishable from each other

Once considered to be an essential vitamin, it has since been discovered that inositol can be produced by the liver and the kidneys