Is a combination of two fats extracted from olive oil and rapeseed oil and is specific to adrenoleukodystrophy (ALD), does not repair myelin, and does not have any known effect on other demyelinating disorders. In ALD presymptomatic boys Lorenzo’s Oil often (but not always) prevents the onset of the disease by stopping the body from producing the very long chain fatty acids, whose buildup leads to demyelination. For more information visit the Myelin Project.