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Vitamin D3 K2
The Ultimate Human Vitamin D3 K2: daily support for bones, muscles, and immune function.
Free delivery on subscriptions
Free sample each month
Pause or cancel anytime
365 day free returns
Back in stock: 19/01/2026
Buy now, pay later from £5.36/mo
Key Benefits
-
Vitamin D3 helps your body absorb and use calcium and phosphorus.
-
Vitamin K2 supports the maintenance of normal bones.
-
Vitamin D3 helps maintain normal bones, teeth, muscles, and immune function.
Start every day with confidence—The Ultimate Human Vitamin D3 K2 brings together two essential nutrients in active forms your body can use. Vitamin D3 helps your body absorb calcium and phosphorus, while vitamin K2 supports the maintenance of normal bones. With vitamin D3 also contributing to normal muscle function, teeth, and immune system function, this supplement is a simple way to help you stay on top of your daily wellbeing. Take as part of a balanced diet for easy, everyday support.
Founded by human biologist and longevity expert Gary Brecka, The Ultimate Human helps people take control of their biology and unlock peak performance through science-backed tools and education. With over two decades of experience analysing human biomarkers, Gary combines scientific precision with a personal approach to wellness. The brand sits at the intersection of science and wellbeing, offering research-driven products and practical insights for everyday life. Whether starting a health journey or refining routines, The Ultimate Human provides the knowledge and tools to elevate wellness and unlock true potential. At its heart, it’s about giving people the confidence to become the best versions of themselves — inside and out.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
Bulking Agent (Microcrystalline Cellulose), Vegetarian Capsule Shell (Hydroxypropyl Methylcellulose), Vitamin D3 (Maltodextrin, Starch, Sucrose, Cholecalciferol, Anti-Caking Agent (Silicon Dioxide)) (17%), Vitamin K2 (Bulking Agent (Microcrystalline Cellulose), Medium Chain Triglyceride Oil, Menaquinone-7) (3%), Silica (Bamboo Extract), Anti-Caking Agent (Stearic Acid).
Take 1 capsule daily with a meal. Do not exceed the recommended daily dose.
Vitamin D3 K2
The Ultimate Human Vitamin D3 K2: daily support for bones, muscles, and immune function.
Free delivery on subscriptions
Free sample each month
Pause or cancel anytime
365 day free returns
Back in stock: 19/01/2026
Buy now, pay later from £5.36/mo
Key Benefits
-
Vitamin D3 helps your body absorb and use calcium and phosphorus.
-
Vitamin K2 supports the maintenance of normal bones.
-
Vitamin D3 helps maintain normal bones, teeth, muscles, and immune function.
Start every day with confidence—The Ultimate Human Vitamin D3 K2 brings together two essential nutrients in active forms your body can use. Vitamin D3 helps your body absorb calcium and phosphorus, while vitamin K2 supports the maintenance of normal bones. With vitamin D3 also contributing to normal muscle function, teeth, and immune system function, this supplement is a simple way to help you stay on top of your daily wellbeing. Take as part of a balanced diet for easy, everyday support.
Founded by human biologist and longevity expert Gary Brecka, The Ultimate Human helps people take control of their biology and unlock peak performance through science-backed tools and education. With over two decades of experience analysing human biomarkers, Gary combines scientific precision with a personal approach to wellness. The brand sits at the intersection of science and wellbeing, offering research-driven products and practical insights for everyday life. Whether starting a health journey or refining routines, The Ultimate Human provides the knowledge and tools to elevate wellness and unlock true potential. At its heart, it’s about giving people the confidence to become the best versions of themselves — inside and out.
With our Healf Curation Process, we do the work for you. Shop with confidence knowing that every item has been tried, tested, and curated for you.
Learn more about each step—Brand Discovery, Expert Validation, and Community Testing—here.
Bulking Agent (Microcrystalline Cellulose), Vegetarian Capsule Shell (Hydroxypropyl Methylcellulose), Vitamin D3 (Maltodextrin, Starch, Sucrose, Cholecalciferol, Anti-Caking Agent (Silicon Dioxide)) (17%), Vitamin K2 (Bulking Agent (Microcrystalline Cellulose), Medium Chain Triglyceride Oil, Menaquinone-7) (3%), Silica (Bamboo Extract), Anti-Caking Agent (Stearic Acid).
Take 1 capsule daily with a meal. Do not exceed the recommended daily dose.
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Frequently asked questions
Every product undergoes our Healf Curation Process. With it, you can shop confidently knowing that every item has been tried and tested before it reaches you. Our Healf Curation Process includes three key steps: Brand Discovery, Expert Validation, and Community Testing. Through these, we assess quality, ingredients, effectiveness, and more, ensuring that every product empowers your wellbeing.
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We love people who check ingredients as carefully as we do, so you'll find detailed information about the ingredients used on every product page (where applicable). If you see something you'd like to flag with us or have additional questions, please don't hesitate to get in touch—we'd love to hear from you.
Healf Curation Process™
Every product undergoes our rigorous Healf Curation Process, ensuring you are always getting the best when it comes to your wellbeing.
The Discovery
Expert Validation
Community Testing
The Discovery
Expert Validation