THORNE Vitamin K (Formerly 3-K Complete) - Vitamins K1 and K2 (MK-4 and MK-7) - Supports Strong Bones - 60 Capsules

THORNE Vitamin K (Formerly 3-K Complete) - Vitamins K1 and K2 (as MK-4 and MK-7) - Supports Strong Bones - 60 Capsules

THORNE Vitamin K (Formerly 3-K Complete) - Vitamins K1 and K2 (MK-4 and MK-7) - Supports Strong Bones - 60 Capsules

Visit the Store Visit the Store We don’t give much thought to our bones – until we break one. Although we might think of our bones as inert structures – as scaffolding that holds us up, as protection for the body’s organs, and the structure that allows us to move about – bones are crucial to many more functions than that. Because our bones are living, dynamic, and constantly changing tissues, maintaining proper bone health is important Nutritional supplements provide essential support for bone health.* The four most important nutrients for supporting bone health are two vitamins and two minerals – vitamins D and K and calcium and magnesium.* These four nutrients help each other do their jobs, including sending calcium to the bones and keeping it out of the arteries, kidneys, and other soft tissues.* We develop better standards for higher quality ingredients. Thorne cares deeply about where our ingredients come from. We partner only with suppliers whose practices emphasize quality, science, and responsibility. Better ingredients means better potency, absorption, and digestibility - and ultimately better health. We manufacture our own products to ensure full supply chain transparency. For more than 30 years, we have invested in clean manufacturing practices. We refuse to use ingredients that can inhibit absorption. We perform our final production in the United States. Our Charleston, SC facility is third-party certified. We run four rounds of testing for each of our products. We have invested in two state-of-the-art in-house laboratories that allow us to conduct four rounds of testing, while most competitors test only one or two times. We test our raw materials, in-process batches, finish products, and product stability for each product. We're thinking sustainably to protect our environment. We believe the environment should never be compromised for the sake of business gain. At Thorne, we believe that doing our part to protect the environment and its most valuable resources goes hand in hand with our product quality standards.

Key Features

• ✅ Helping to maintain the health and elasticity of your arteries*
• ✅ Supporting healthy bones*
• ✅ Balancing the effects of vitamin D*
• ✅ Thorne products contain ingredients from the purest sources worldwide. Flavors, colors, preservatives, and sweeteners are derived from natural sources. Our products never contain gluten, Genetically Modified Organisms (known as GMOs), artificial preservatives, stearates, wheat, rye, barley, eggs, or nuts. This product does not contain dairy, soy, corn, sugar, or magnesium stearate
• ✅ Thorne's commitment to integrity and science-backed products has helped us earn the trust of thousands of health-care professionals, U.S. National Teams, the Mayo Clinic, and families around the world

Shipping & Guarantees

• ✅ FREE standard shipping within the United States (3–6 business days)
• ✅ 100% money-back guarantee for lost or damaged items
• ✅ Secure checkout with encrypted payment processing
• ✅ Shipping via UPS, FedEx, and USPS
• ✅ Ships to lower 48 states only (no PO Boxes / APO / FPO)

Returns

• ✅ 30-day hassle-free returns
• ✅ Items must be unused and in original packaging
• ✅ Full refund if item is not delivered
• ✅ Guaranteed delivery within 6–7 business days

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Customer Support

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We respond within 24 hours on business days.