Hyperlipidemia describes elevated blood lipid patterns, especially increased LDL cholesterol, non-HDL cholesterol, triglycerides, or altered lipid transport. LDL cholesterol is strongly connected with atherosclerotic plaque development, endothelial dysfunction, oxidative stress, inflammatory signaling, bile acid metabolism, liver lipid handling, insulin resistance, dietary saturated fat exposure, low fiber intake, and reduced clearance of cholesterol-rich particles. Blood lipid regulation involves the liver, intestines, bile acid synthesis, cholesterol synthesis, lipoprotein transport, gut microbiome metabolism, inflammatory signaling, endocrine signaling, and cellular energy balance. The liver produces cholesterol and bile acids, packages lipids into lipoproteins, and responds to insulin, thyroid hormones, glucagon, adiponectin, leptin, cortisol, and inflammatory cytokines. Insulin resistance can increase liver lipid production and alter triglyceride-rich lipoprotein handling. Low adiponectin and elevated inflammatory signaling are frequently associated with cardiometabolic lipid dysfunction. A P53 Nutrition whole-food plant-based pattern supports lipid regulation by emphasizing soluble fiber, legumes, intact grains, fruits, vegetables, nuts, seeds, herbs, spices, and polyphenol-rich foods while avoiding oils, meat, dairy, and ultra-processed foods. Soluble fiber from oats, lentils, beans, apples, berries, flax seeds, and chia seeds binds bile acids in the digestive tract and supports fecal sterol loss. The liver then uses cholesterol to synthesize replacement bile acids, supporting healthier LDL patterns. Plant foods also provide phytosterols, lignans, flavonoids, phenolic acids, carotenoids, and antioxidant compounds. These compounds are studied in relation to lipid oxidation, endothelial protection, inflammatory pathway modulation, bile acid handling, liver metabolism, and gut microbiome signaling. Oats, lentils, chickpeas, black beans, flax seeds, chia seeds, walnuts, almonds, apples, blueberries, pomegranate, avocado, green tea, garlic, turmeric, and cinnamon are frequently studied for lipid-related metabolic support. Hyperlipidemia is often worsened by saturated fat-rich dietary patterns, cholesterol-containing animal foods, processed meats, dairy fat, fried foods, refined carbohydrates, sugary foods, low fiber intake, sedentary behavior, obesity, insulin resistance, and chronic inflammation. P53 Nutrition focuses on high-fiber, low-saturated-fat, nutrient-dense whole plant foods that support bile acid balance, LDL regulation, oxidative stress defense, endothelial function, and cardiometabolic health.