• van Ballegooijen et al., 2017
  A narrative review summarising animal and human studies. It suggests that optimal doses of Vitamins D3 and K2 may work better together—particularly in supporting bone and cardiovascular function—than either vitamin alone.

• MDPI Nutrients, 2022 Review
  This review looked at randomised clinical trials of combined Vitamins D3 and K2 (mostly MK-7) in postmenopausal women. Supplementation was associated with beneficial changes in bone mineral density when used together rather than alone.

• Bánhegyi et al., 2023
  A review on nutrient synergy noted that combining micronutrients like Vitamins C and D3 may offer greater overall support through complementary roles in immune and antioxidant pathways.

Chew two gummies per day, preferably with a meal. A perfect addition to your morning routine.