Calcium Isn’t the Problem. Mismanaged Calcium Is. episode artwork

EPISODE · Jun 22, 2026 · 10 MIN

Calcium Isn’t the Problem. Mismanaged Calcium Is.

from The NatureCity Podcast

Most people meet vitamin K2 through bone health. The less known story is what it does for your arteries. Subscribe for science-backed healthy-aging answers from Carl Pradelli. Most of the vitamin K in your diet is K1, not K2, and the two do not behave the same way in the body. That distinction is the whole episode. Carl Pradelli, CEO and Co-Founder of NatureCity, walks through why vitamin K2 in the MK-7 form may be one of the most overlooked nutrients in the healthy-aging conversation, and why its role goes well beyond bone density into vascular health and arterial flexibility. The mechanism is the part most people never hear about. Vitamin K2 activates two vitamin K-dependent proteins: Matrix Gla protein, which helps keep calcium out of artery walls and soft tissue, and osteocalcin, which helps bind calcium into bone. Carl frames it in one line: vitamin K2 helps the body put calcium where it belongs and keep it out of places where it does not. The problem was never calcium itself. The problem is mismanaged calcium, and mismanaged calcium is what can drive vascular calcification, reduced blood vessel elasticity, and arterial stiffness as you age. Diet rarely closes the gap. Research on the different vitamin K forms show that MK-7 carries a much longer half-life than other vitamin K forms, but MK-7 is typically a very small part of our diets – unless you’re eating fermented foods regularly. That is why Carl points to the best researched MK-7 form for supplements, MenaQ7, which is used in NatureCity’s TrueK2D3 alongside vitamin D3, and in TrueOsteo+ alongside vitamin D3, plant calcium and magnesium for broader bone and vascular support. He also references the work of Dr. Leon Schurgers from Maastricht University in the Netherlands, a leading vitamin K2 researcher who describes the loss of independence at age 80 as something that often begins decades earlier. Several published placebo-controlled research studies demonstrate how vitamin K2 can support vascular health and blood vessel elasticity. For healthy adults, the research suggests taking 180 micrograms of MenaQ7 vitamin K2 daily.Carl is careful to keep this in research framing: vitamin K2 doesn’t work in isolation – It’s part of a system with vitamin D3 and other nutrients like magnesium that work together to support healthy aging.WHAT YOU’LL LEARNHow vitamin K2 routes calcium toward bone and away from arteriesWhy dietary vitamin K1 cannot stand in for K2What Matrix Gla protein and osteocalcin actually doWhat three years of MenaQ7 K2 did to blood vessel elasticityWhy K2, vitamin D3, and magnesium work as a systemTIMESTAMPS0:00 K2 Is More Than a Bone Nutrient1:20 How Vascular Calcification Can Age You2:07 Dr. Schurgers on K2 and Aging2:50 Why Diet Falls Short on K24:03 Matrix Gla Protein and Osteocalcin5:08 What MK-7 and MenaQ7 Really Are5:55 The 3-Year Blood Vessel Study8:03 K2 and Supporting NutrientsABOUT NATURECITYNatureCity was founded by Carl Pradelli, CEO and Co-Founder, with a mission to deliver transparent, science-backed natural health supplements. With over 500,000 customers served, NatureCity is committed to quality, honesty, and results.TrueK2D3: https://www.naturecity.com/products/truek2d3-plant-based-vitamin-k2-vitamin-d3?_pos=1&_psq=truek&_ss=e&_v=1.0TrueOsteo+: https://www.naturecity.com/products/true-osteo?_pos=1&_psq=trueosteo&_ss=e&_v=1.0Learn more: https://www.naturecity.com/#VitaminK2 #MK7 #VascularHealth #HealthyAging #MenaQ7

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Calcium Isn’t the Problem. Mismanaged Calcium Is.

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