

We offer free standard shipping across the United States.
We offer free standard shipping across the United States. No minimum purchase is required, and all orders include tracking for your convenience.
For seller-caused issues, contact vitanutrius@gmail.com within 30 days of delivery. Returns require approval and must meet the conditions in our refund policy. Change-of-mind returns are not accepted. Please contact us before sending an item back.
Deliveries to United States’ outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
SFI Health Ultra K2 MK4 is a premium vitamin K2 supplement designed to fit a mindful wellness routine. Each capsule delivers 15 mg of vitamin K2 in the MK-4 form, providing a high-potency option that aligns with vegan, hypoallergenic standards. Built on the legacy of Klaire Labs and now part of the SFI Health family, this formula aims to support muscle and tissue function through the careful activation of calcium wherever it’s most needed. While the science around vitamin K2 is evolving, many users appreciate the potential to complement a calcium-rich diet and a balanced supplement regimen.
Ultra K2 MK4 emphasizes a premium form of vitamin K2 to support how the body uses calcium. By helping activate calcium-binding proteins, this MK-4 product is positioned to influence calcium distribution across tissues, which may help maintain healthy joints and connective structures as part of everyday activity.
The product is non-GMO and vegan, designed to minimize common allergens, and free from artificial colors, flavors, and preservatives. Klaire Labs is now part of the SFI Health family. While the branding may look different, the formulations and commitment to safety, efficacy, and practitioner trust remain at the core of what you get with Ultra K2 MK4.
Each capsule contains 15 mg of vitamin K2 MK-4. If you’re considering Ultra K2 MK4 as part of your routine, discuss it with a healthcare professional to ensure it fits your needs and current supplements. Daily use may be guided by your dietary calcium intake and broader health goals.
In short, Ultra K2 MK4 offers a focused, vegan-friendly K2 option with a clear emphasis on calcium activation and tissue support, backed by Klaire Labs’ legacy and the ongoing standards of SFI Health.
Q: What makes SFI Health Ultra K2 MK4 unique?
A: Each capsule delivers 15 mg of K2 MK-4 to support calcium use and healthy tissues as part of a balanced diet.
Q: Is this product vegan and allergen-friendly?
A: Yes, it is non-GMO, vegan, and free from common allergens, with no artificial colors, flavors, or preservatives.
Free standard shipping within the United States, with no minimum purchase. See our shipping policy for processing, estimated delivery times and tracking information.
Contact vitanutrius@gmail.com within 30 days of delivery for seller-caused issues, including damaged, defective, incorrect or expired items. Returns require approval and must meet the conditions in our refund policy. Change-of-mind returns are not accepted.
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