The safety of Arowhey Sugar Free Powder for someone with cancer depends on factors such as the type of cancer, stage of treatment, and overall health. Some cancer treatments may affect digestion, protein absorption, or appetite, so it's essential to consider your specific condition. It's crucial to consult your doctor or oncologist before using any supplement, including protein powders. They will evaluate your medical history, current treatments, and nutritional needs, and may recommend or advise against using protein supplements. Always inform your healthcare team about any supplements you're considering, as they can help tailor a plan that aligns with your health and treatment goals.