Selenium's primary function is as a potent antioxidant, combating lipid peroxidation—a destructive process that leaves the body vulnerable to disease and premature aging. Crucially, selenium also significantly enhances the effectiveness of vitamin E, another essential nutrient for overall health and well-being.
US: temporary delays — postal services aligning new import rules, 
EU: 1–2 weeks, 🌍 Worldwide: 1–4 weeks ✈️