It is nearly impossible to find someone who doesn’t have a family member or close friend affected by breast cancer. Worldwide, breast cancer accounts for approximately 23% of all cancers in women. Breast cancer is more than 100 times more common in women than in men, although men tend to have poorer outcomes due to delays in diagnosis. It is very common for patients with a cancer diagnosis to have many questions about nutrition and diet. In fact, this is one of the main ways that you (or your loved one) can aid yourself in the battle with cancer. The cancer can inhibit your body’s ability to heal, decrease your energy, and decrease your immune system. By optimizing diet and nutrition, research has shown that outcomes of surgery, radiation, and chemotherapy are improved. This leads to improved cure rates, better cancer treatment outcomes, and greater ability for the body to heal and rebound from the effects of cancer therapy. The goal of this text is to empower patients during their fight with cancer. By studying these practical approaches to health and nutrition, you can aid your cancer treatment team in your therapies. This is not meant to be a substitute for standard modern cancer treatments, but the goal is to provide you with further tools to fight cancer and improve your ability to heal from the cancer and the cancer treatments. Of course, this tool should be used in the context of your other treatments and we recommend that each patient discuss their individual health needs and objectives with their care providers.