How long do I need to take Marine Calcium+D3+K2 to see results? September 24, 2024 16:00 Updated Individual results may vary. Some people notice benefits within a few weeks of consistent use. Related articles Will consumption of Marine Calcium+D3+K2 cause any side effects? What is the size of the capsules? Is Marine Calcium+D3+K2 safe for long-term consumption? Is there a best or recommended time of day to consume? What are the benefits of taking Marine Calcium + Vitamin D3 + Vitamin K2?