Bronson Vitamin K2 (MK7) with D3 Supplement Non-GMO Formula 5000 IU Vitamin D3 & 90 mcg K2 MK-7 Easy to Swallow D & K Complex, 120 Capsules

Customers find this vitamin supplement to be of good quality and effective, with lab results showing positive improvements. The product contains both vitamin D3 and K2 in one pill, is easy to swallow, and provides good value for money. Customers report improved energy levels and better sleep, with no funky taste or aftertaste. Regarding side effects, while some customers say it doesn't upset their stomach, others experience severe headaches.