The invention describes the use of betaine for treating and preventing
arterites. The invention also describes an orally administered
composition for treating arterites and, in particular, intermittent
claudication, said composition containing, as an active ingredient, an
active therapeutic quantity of betaine glycine by single dose. The
invention particularly describes a medicament provided for treating a
patient suffering from an intermittent claudication caused by peripheral
circulatory disorders such as arteriosclerosis obliterans or by
thromboangiitis obliterans.