Vitamin D + K Preworkout placebo-controlled trial in 300 adults

placebo-controlled trial in 300 adults aged 45–65 with cognitive complaints found that taking ginkgo biloba extract significantly improved an objective attention/work-performance test compared with placebo

or artificial additives

and immune resilience—all while supporting collagen synthesis and antioxidant defenses

and a little bit of calcium glycinate

Super comfy

Vitamin D + K Preworkout placebo-controlled trial in 300 adultsIntroducing our Vitamin D with multiple forms of Vitamin K! Vitamin K1 (Phytonadione) Found in leafy greens, its essential for activating clotting factors in the liver, preventing excessive bleeding and supporting wound healing. Vitamin K2 (MK 4, Menatetrenone) Present in animal foods (like liver and egg yolks), it helps direct calcium into bones and teeth, reducing the risk of fractures and preventing calcium buildup in arteries. Vitamin K2 (MK 7,