Skip to content
New to DAT Supply? Create a client account to view pricing, order samples and start your first order.
DAT Supply Log in
Navigation
Profile

Preferences

Choose your market — it sets your site and language.

Start order

Already a member? Log in

Vitamin D3 K2: what supplement brands should know

Vitamin D3 K2: what supplement brands should know — a practical private-label guide for supplement brand owners. Plan formats, categories and documentation,…

8 July 2026 · 5 min read

Who this is for

Who this article is for

Brand owners and category managers reviewing a private-label supplement project.

Vitamin D3 and K2 are often combined in supplements for their synergistic roles in calcium metabolism and bone health. For brand owners, understanding the active forms, typical dosages, and market positioning helps in creating a product that meets consumer demand. This article covers the essential facts to guide your product development, from ingredient sourcing to final labeling, without overstepping regulatory boundaries.

Section

What this active is and typical formats

Vitamin D3 (cholecalciferol) and Vitamin K2 (menaquinone, often MK-7) are fat-soluble vitamins. D3 supports calcium absorption, while K2 directs calcium to bones and teeth. Common formats include softgels, capsules, and liquid drops. Dosages typically range from 1000–5000 IU for D3 and 45–180 mcg for K2, but final amounts depend on the brand's target market and claims.

Section

Category fit for brand ranges

D3+K2 is popular in bone health, immune support, and cardiovascular wellness categories. It appeals to aging consumers, athletes, and those seeking preventive health. The combination is often positioned as a premium daily essential, making it a strong addition to multivitamin lines or standalone offerings. Brands can differentiate through dosage, form (e.g., vegan K2), or added co-nutrients.

Section

Formulation and format considerations

Formulation must account for stability and bioavailability. D3 and K2 are often paired with oils (e.g., MCT) in softgels to enhance absorption. Vegetarian capsules are possible with dry powders but may require careful excipient selection. Taste and texture matter for chewables or gummies. DAT Supply can advise on compatible excipients and manufacturing constraints during the briefing stage.

Section

Compliance and label responsibility

The brand owner is solely responsible for final label claims, regulatory compliance, and market-specific requirements (e.g., health claims, dosage limits). DAT Supply provides raw material documentation but does not approve or guarantee finished product compliance. Brands must verify that their D3 and K2 sources meet local regulations, including any novel food or purity standards.

Section

How to brief this active to DAT Supply

To brief D3+K2, provide target dosage, format preference, capsule size or softgel shape, and any special requirements (e.g., non-GMO, vegan). Indicate desired volume and packaging. DAT Supply uses this brief to propose formulation options and commercial terms. The brand owner should also specify any third-party certifications needed, as these affect sourcing and cost.

More from the library

Related articles

Editorial pieces in the same category and a few recent picks from across the library.

Continue exploring

Project handoff

Explore the catalogue

These notes point at reviewed private-label concepts. Browse the catalogue, or start an order in the DAT portal when you're ready.

Quick context request

Get manufacturing context

Drop your work email and a member of the DAT team will follow up with the right context for this concept. Order documents, certificates and pricing are released through the client workspace in the DAT portal.

You will receive a short confirmation email. Order documents (specification, batch-specific COA, packaging documents) are released through the client workspace in the DAT portal once a brief is in place.