ADK is a bone and heart support supplement that blends vitamins A, D3 and K2 in one vegetarian capsule to help calcium work where it matters most. This trio helps calcium use for strong bones and a healthy heart. DaVinci Labs is recognised for professional grade ingredients and clear quality standards. This heritage helps you trust a daily bone and heart boost.

Available Sizes & Variants:

60 capsules ADK capsules - handy daily dose for bone and heart support.

Benefits & Features:

• Supports bone strength.
• Vitamin D3 helps calcium absorption, supporting bone mineralisation and heart health.
• MK 7, a longer lasting form of vitamin K2, guides calcium into bones.
• Vegetarian, gluten free and soy free capsule suits plant based diets and common allergen concerns.
• The three vitamins work together to optimise calcium use, helping bones stay strong while supporting arterial health, so you feel steadier every day and overall wellbeing.

DaVinci Labs has built a reputation for professional grade products and highest grade ingredients, and ADK is no exception. This vegetarian, gluten free and soy free capsule is manufactured in the USA with rigorous purity standards. The star ingredient MK 7 offers a longer half-life, helping calcium stay where it's needed for bones and heart health. This supplement vitamin d blend is designed for daily support. Not a collagen food supplement, it can pair well with vegan protein powder as part of a broader wellness routine.

(other) hypromellose (capsule), microcrystalline cellulose, vegetarian leucine.

• GTIN: 26664001023
• Manufacturer: Davinci Labs
• Categories: Best SellersNew ArrivalsSubscribe & Save Products
• Best buy: 6 - 24 months+

United Kingdom Shipping:

Orders placed by 2pm (Monday to Friday) are dispatched the same day. Orders placed after 2pm will be dispatched the next working day.

Free shipping on orders over £50 to the UK.

Returns: Our products are meant to make you feel healthy and at your best. If you need to return your item, you can do so free of charge within 30 days in the same original and unopened packaging. Subject to T&C's.

Take one capsule daily as a dietary supplement, or follow your healthcare practitioner's instructions. One capsule twice daily taken between meals\, or more\, as directed by a health care professional.

Please consult the product packaging for accurate instructions on how to use the product.

1. Boosts Immune System: ADK is a powerful combination of vitamins A, D, and K that work together to support a healthy immune system. Vitamin A helps to regulate the immune response, while vitamins D and K aid in the production of immune cells and help them function effectively.
2. Promotes Bone Health: The combination of vitamins A, D, and K in ADK provides comprehensive support for bone health. Vitamin D aids in the absorption of calcium, while vitamin K helps to transport calcium to the bones. Vitamin A also plays a role in bone remodeling and maintenance. Together, these vitamins help to keep bones strong and healthy.

The Active Ingredient Is: Vitamin D3 (Cholecalciferol)

Vitamin D3, or what’s known as cholecalciferol, is a fat-soluble vitamin essential for bone and immune health.

This form is cholecalciferol, the biologically active variant involved in calcium metabolism and bone maintenance.

What Does Vitamin D3 Do?

Vitamin D3 helps regulate calcium uptake and supports bone mineralisation, aligned with NHS and EFSA recommendations. It also helps support normal immune function.

By improving calcium uptake, this vitamin contributes to the normal function of the skeletal system and broader health processes in the body.

This supplement isn't intended to diagnose, treat, cure, or prevent any disease.

DaVinci Labs is our selected partner for ADK because they bring a rigorous scientific method to vitamin A, D3 and K2 in a single capsule, crafted for synergy in calcium use. The brand is recognised for lab-grade products and the use of premium ingredients, backed by a culture of manufacturing benchmarks that prioritise purity and potency. This heritage, alongside alongside their US manufacturing, establishes a strong credibility backbone that matches Welzo’s commitment to safety and reliability.

Our medical team assessed DaVinci Labs against key benchmarks, including production philosophy, quality checks and openness. This evaluation is backed by Welzo's specialist team of healthcare professionals, who review how brands meet our stringent standards and how we validate ingredient quality (Welzo's healthcare professionals). Our process also emphasises robust testing and compliance practices, which we articulate through our quality resources (how we verify ingredient quality).

All things considered, DaVinci Labs really shines for product-specific compatibility—delivering vitamin A, D3 and MK-7 in a vegetarian, gluten-free capsule—while showing the quality mindset Welzo looks for in a long-term partnership.