Are there any diet choices that will help with leg claudication?

Yes. Claudication is leg pain with walking associated with pad (peripheral artery disease). Pad, like heart disease (cad), is a manifestation of atherosclerosis. Dietary choices like low sodium, low cholesterol, low fat, and low sugar can help control risk factors like hypertension, high cholesterol, obesity and diabetes.
Control. Controlling diabetes, lipid management, low fat diet, increased vegetable intake.