NatureWise Vitamin D3 4000IU Supplement, Immune Support, 360 Mini Softgels

Customers find the vitamin D supplement effective for immune system support and muscle function, while appreciating its easy-to-swallow softgel form and small pill size. The product contains cold-pressed olive oil as a carrier and provides 4000 IU of Vitamin D3, with customers noting it doesn't upset their stomach and has no aftertaste. However, some customers report issues with the capsules sticking together.