Muscle weakness in a non-neurologic pattern is commonly associated with reduced muscular endurance, impaired mitochondrial energy production, low physical activity, poor circulation, chronic inflammation, oxidative stress, electrolyte imbalance, blood sugar instability, inadequate protein distribution, low magnesium or potassium intake, and reduced recovery capacity. Skeletal muscle depends on steady ATP production, oxygen delivery, amino acid availability, glucose regulation, mineral balance, vascular perfusion, and healthy inflammatory signaling. When these systems are disrupted, muscles may fatigue faster, feel heavy, recover slowly, or produce less force during daily activity. Mitochondria are central to muscle performance because they convert carbohydrates and fats into usable cellular energy through the TCA cycle and oxidative phosphorylation. Oxidative stress, chronic inflammation, insulin resistance, excess refined food intake, ultra-processed foods, and low antioxidant intake can impair efficient energy metabolism. Muscle tissue also depends on AMPK signaling for energy sensing, insulin signaling for glucose handling, and mTORC1 signaling for protein turnover and repair. These pathways interact with amino acid availability, blood flow, hydration, and micronutrient status. Electrolyte balance is another major factor in muscle function. Potassium, magnesium, calcium, phosphorus, and sodium help regulate muscle contraction, nerve-muscle signaling, cellular hydration, and energy transfer. Low intake of potassium-rich plants, magnesium-rich legumes and greens, or mineral-dense seeds may reduce support for normal contraction and recovery. Dehydration can further impair plasma volume, circulation, and cellular electrolyte gradients. A P53 Nutrition whole-food plant-based pattern supports muscle function by emphasizing legumes, whole grains, leafy greens, seeds, nuts, mushrooms, fruits, and herbs that provide complex carbohydrates, plant protein, fiber, minerals, polyphenols, carotenoids, and antioxidant compounds. Black beans, lentils, chickpeas, edamame, quinoa, oats, brown rice, pumpkin seeds, chia seeds, flax seeds, spinach, kale, broccoli, sweet potato, banana, blueberry, and mushrooms provide nutrients associated with energy metabolism, mineral balance, oxidative defense, vascular support, and muscle recovery. Plant foods rich in vitamin C, vitamin B1, vitamin B2, vitamin B3, vitamin B6, folate, magnesium, potassium, iron, zinc, copper, manganese, and phosphorus support oxygen transport, mitochondrial enzyme systems, collagen support, glucose metabolism, and tissue repair. Polyphenol-rich berries, green tea, turmeric, ginger, garlic, and leafy greens support antioxidant and inflammatory balance. This P53 Nutrition pattern contains no oils, no meat, no dairy, and no toxins. It focuses on whole plant foods that support mitochondrial energy production, stable blood sugar, endothelial blood flow, amino acid availability, hydration-electrolyte balance, antioxidant defense, and muscular resilience.