Cardiac syndrome X / Microvascular Angina diet. Is there a diet which improves the quality of life of people with Cardiac syndrome X / Microvascular Angina?

Are you aware of a diet that can improve the quality of life of people with Cardiac syndrome X / Microvascular Angina? Is there a diet that is suggested to avoid when having Cardiac syndrome X / Microvascular Angina? See if there is a diet that can improve the quality of life of people with Cardiac syndrome X / Microvascular Angina, recommended and to avoid food when having Cardiac syndrome X / Microvascular Angina