SWISSOVIT Vitamin D3 2000 IUpremium Swiss-quality supplement that supports bone strength, muscle function, and immune health. D3 vitamin enhances calcium and phosphorus absorption, strengthens bones, reduces fatigue, and boosts energy levels. Gluten-free, lactose-free, preservative-free, and vegan-friendly. Ideal for individuals with limited sun exposure, older adults, athletes, and pregnant women.