Palpitations are sensations of irregular, forceful, rapid, or heightened awareness of the heartbeat that may occur even in the absence of structural heart disease. Benign palpitations are commonly associated with autonomic nervous system activation, dehydration, blood sugar instability, electrolyte imbalance, sleep disruption, emotional stress, stimulant exposure, inflammatory dietary patterns, and circulatory fluctuations following meals. Electrical signaling within the heart depends on coordinated movement of sodium, potassium, calcium, and magnesium across cardiac cell membranes. The sinoatrial node, atrioventricular node, myocardial mitochondria, endothelial nitric oxide systems, and autonomic nervous system all participate in rhythm stability and vascular regulation. Fluctuations in hydration and mineral balance can influence cardiac excitability and nerve conduction. Low potassium intake, magnesium insufficiency, elevated sodium consumption, poor vascular flexibility, high sugar intake, and excessive sympathetic nervous system stimulation may increase sensations of skipped beats or fluttering. Stress hormones such as cortisol and epinephrine can increase heart rate variability and sympathetic tone while reducing parasympathetic relaxation signaling. Blood sugar spikes followed by rapid glucose drops may also contribute to catecholamine release and transient rhythm sensations. A whole food plant-based dietary pattern rich in potassium-containing vegetables, magnesium-rich legumes, nitrate-containing greens, antioxidant-rich berries, and fiber-rich whole foods may help support endothelial function, vascular relaxation, hydration balance, autonomic regulation, and mitochondrial energy production associated with healthy cardiovascular signaling. Leafy greens, legumes, oats, bananas, pumpkin seeds, berries, tomatoes, beets, and citrus fruits contain nutrients and phytochemicals linked to nitric oxide support, oxidative balance, electrolyte regulation, and inflammatory modulation. Polyphenols, flavonoids, carotenoids, and nitrate-containing vegetables may support vascular tone and endothelial nitric oxide production. Fiber-rich whole foods may also help stabilize glucose response patterns and reduce rapid insulin fluctuations associated with sympathetic activation. Magnesium-containing foods support normal muscle contraction and relaxation pathways, including cardiac muscle physiology. Potassium-rich foods support membrane electrical stability and healthy fluid balance. Whole plant foods additionally support oxidative stress regulation through Nrf2 antioxidant pathways and glutathione-associated defense systems. Maintaining hydration, consuming balanced mineral-rich meals, reducing highly processed foods, minimizing excessive sodium intake, avoiding stimulant-heavy dietary patterns, and emphasizing antioxidant-rich whole plant foods may help support cardiovascular steadiness, vascular flexibility, autonomic balance, and healthy cardiac rhythm physiology associated with benign palpitations.