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THORNE

Q: Why is there so much silicone dioxide in each capsule? I would not expect this from Thorne.

The amount of silicon dioxide in Thorne’s 3-K Complete is less than 2 percent of the total formula and does not affect the quality, efficacy, or safety of the finished product. Silicon dioxide is used to minimize moisture content and to help powders flow into capsules. Although silicon is sometimes confused with silicone (which is a synthetic compound), there is no chemical similarity between these two substances. Silicon dioxide is a naturally-occurring compound that contains silicon, a mineral that is ubiquitous in nature and found in many foods, especially those high in fiber, and, because it is necessary for bone growth and maturation, it is also often added to nutritional supplements designed for bone support.

Q: How much Vitamin E is in this?

Thorne’s 3-K Complete contains 350 mcg of vitamin E, as mixed tocopherols, per capsule.

Q: what is the source of the K-2?

The vitamin K (K1 and K2) in Thorne's 3-K Complete is from natural source geraniol, a monoterpenoid and an alcohol derived from rose oil, palmarosa oil, and citronella oil.

Q: What is the vitamin a from? is it a natural source or synthetic? i see it is not soy. sunflower oil?

Thorne’s Vitamin K (formerly 3-K Complete) contains vitamin K1 and K2 (MK-4 and MK-7). The vitamin K1 and K2 (MK-7) are synthetic, vitamin K2 (MK-4) is derived from geraniol.

Product ID: 63157445

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Details

Brand
THORNE
Item Form
Capsule
Primary Supplement Type
Vitamin K1 K2
Diet Type
Gluten Free
Flavor
Unflavored

🔬Third-party tested & certified

🦴3 clinically studied K vitamins

❤️Supports arterial elasticity & clotting

Frequently Bought Together

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

THORNE Vitamin D-5000 - Vitamin D3 Supplement - Support Healthy Bones, Teeth, Muscles, Cardiovascular, and Immune Function* - NSF Certified for Sport - Dairy-Free, Soy-Free - 60 Capsules

THORNE Vitamin B12 - as Methylcobalamin - Supports Heart & Nerve Health, Blood Cell Function, Healthy Sleep & Methylation* - Gluten, Dairy & Soy-Free - 60 Capsules

Description

🦸‍♂️ Elevate your health game with THORNE – where science meets elite performance

TRUSTED BY CHAMPIONS - Endorsed by 100+ pro sports teams & top U.S. National Teams for peak performance
BONE HEART HEALTH DUO - Optimizes calcium use with vitamin D & magnesium for stronger bones and flexible arteries
CLINICALLY PROVEN PURITY - Third-party certification guarantees label accuracy and contaminant-free formula
PRACTITIONERS 1 CHOICE - The 2023 top recommended clinical brand for health-conscious professionals
TRIPLE ACTION VITAMIN K POWER - Harnesses K1, MK-4 & MK-7 for unmatched bone & heart synergy

THORNE delivers a scientifically formulated blend of three clinically studied vitamin K types (K1, MK-4, MK-7) designed to enhance bone density and cardiovascular health. Combined with vitamin D and magnesium, it directs calcium to bones while supporting arterial elasticity and healthy blood clotting. Third-party tested for purity and trusted by over 100 professional sports teams and healthcare practitioners, THORNE is the premium choice for proactive wellness.

Have a Question? See What Others Asked

Why is there so much silicone dioxide in each capsule? I would not expect this from Thorne.

How much Vitamin E is in this?

what is the source of the K-2?

What is the vitamin a from? is it a natural source or synthetic? i see it is not soy. sunflower oil?

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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