Designs for Health Vitamin D Supreme – Vitamin D 5000 IU with 2000mcg Vitamin K as MK4 for Bone Health, Heart Health, Mood & Immune Support – Vitamin D3 Enhanced with GG Supplement (30 Capsules)

Customers find this vitamin D supplement effective at raising levels and boosting immune system function, with one customer noting their blood levels improved significantly. The product receives positive feedback for its ease of swallowing, small capsule size, and combination of vitamins D and K. Customers report improved mood within 24 hours and enhanced sleep quality. While some customers consider it good value, others find it pricey.