Back pain linked to postural strain and inflammatory load involves the muscles, ligaments, fascia, vertebral joints, intervertebral discs, nerves, and surrounding connective tissue that support the spine. Postural back pain often develops when prolonged sitting, forward head posture, weak core stability, repetitive bending, poor movement patterns, or sustained muscular tension place uneven mechanical stress on the lumbar and thoracic regions. Inflammatory back discomfort may also involve low-grade systemic inflammation, oxidative stress, impaired circulation, metabolic dysfunction, connective tissue irritation, and stress-response activation. When these patterns persist, the tissues around the spine may remain sensitized, tight, and slow to recover. Muscle and connective tissue recovery depends on steady blood flow, mitochondrial energy production, electrolyte balance, collagen maintenance, antioxidant defense, and normal inflammatory resolution. A diet high in ultra-processed foods, refined sugars, excess sodium, artificial additives, and oxidized fats can increase inflammatory signaling and oxidative stress. Research on dietary inflammatory patterns has shown associations between pro-inflammatory diets and low back pain. Inflammatory mediators such as cytokines, prostaglandins, reactive oxygen species, and NF-κB-related signaling can influence pain sensitivity, tissue irritation, and recovery capacity. A whole-food plant-based pattern supports back comfort by emphasizing foods rich in fiber, magnesium, potassium, vitamin C, vitamin K1, manganese, polyphenols, carotenoids, glucosinolates, and nitrate compounds. Leafy greens, cruciferous vegetables, berries, legumes, seeds, whole grains, herbs, and spices provide nutrients involved in muscle function, connective tissue integrity, endothelial support, antioxidant defense, and inflammatory balance. Magnesium and potassium support normal neuromuscular function and muscle relaxation. Vitamin C supports collagen formation. Polyphenols from berries, green tea, turmeric, ginger, pomegranate, and herbs are studied for their roles in oxidative stress and inflammatory pathway regulation. Back pain with a postural and inflammatory pattern may also overlap with poor sleep, stress load, sedentary behavior, reduced mobility, excess body weight, and impaired metabolic health. Fiber-rich legumes and whole grains support gut microbiome activity and short-chain fatty acid signaling, which are connected to immune and inflammatory regulation. Nitrate-rich vegetables such as beetroot, spinach, celery, and arugula support nitric oxide biology and healthy circulation. A whole-food plant-based dietary pattern does not replace movement, posture correction, strengthening, or professional evaluation when needed, but it can support the biological environment involved in tissue recovery, inflammation regulation, muscular function, and spinal connective tissue resilience.