High-absorption vitamin d3 k2 (MK-7) drops for immune support

Why combine D3 + K2 

• Vitamin D3 increases intestinal calcium absorption and supports immune function.
• Vitamin K2 (MK‑7) helps direct calcium into bone and away from arterial calcification by activating osteocalcin and matrix Gla protein. Combined use addresses calcium handling and may offer synergistic bone/cardiovascular benefits.

Key benefits users search for

• Bone health & fracture risk support (with adequate calcium/protein and exercise).
• Immune support during low‑sun months.
• Potential arterial health support by promoting appropriate calcium utilization (emerging evidence).
• Convenient liquid dosing for those with swallowing difficulties or needing flexible low doses (infants, elderly).

Typical dosing & practical guidance

• Vitamin D3: common maintenance doses 800–2000 IU/day (20–50 µg); deficiency correction often uses higher supervised doses. Many adults take 1000–2000 IU/day; individual needs depend on baseline 25(OH)D level. Aim for serum 25(OH)D ~30–50 ng/mL (consult clinician).
• Vitamin K2 (MK‑7): typical supplemental range 50–200 µg/day. MK‑7 has longer half‑life and steady activity at lower doses.
• Drop format: dose per drop varies — follow label (e.g., 400 IU D3 + 50 µg K2 per drop). Start with recommended single drop daily or per clinician advice.
• Special groups: infants, pregnant/breastfeeding women and those with deficiency require clinician guidance on dose. Monitor serum vitamin D and relevant labs for high‑dose therapy.

Safety, interactions & precautions

• Safety: D3 and K2 are generally safe at recommended doses. Vitamin D toxicity (hypercalcemia) is rare but possible with prolonged high doses; avoid exceeding clinician‑recommended high therapeutic doses without monitoring.
• Anticoagulants: vitamin K2 can antagonize warfarin/ vitamin K antagonists — patients on warfarin should not change vitamin K intake without physician supervision and INR monitoring. Direct oral anticoagulants (DOACs) have different profiles but consult prescriber.
• Hypercalcemia risk: those with granulomatous disease, some lymphomas or primary hyperparathyroidism should use under medical supervision.
• Allergens/vehicle: check oil base (MCT, olive oil) and excipients for allergenicity.

How to choose high‑quality Vitamin D3 + K2 drops

• Ingredient transparency: show IU of D3 and µg of K2 (specify MK‑7 form) per drop/serving.
• Purity & testing: third‑party COA for potency, heavy metals, microbial testing and stability/shelf‑life.
• Source & form: D3 from lanolin (common) or vegan lichen source (for vegans); K2 as MK‑7 (natto‑derived or synthetic) preferred for steady plasma levels.
• Delivery & stability: oil‑based drops (MCT/olive) improve absorption; amber glass droppers protect light‑sensitive D3/K2. Indicate drop volume (e.g., 0.05 mL/drop).
• Certifications: GMP, ISO; organic/vegan/non‑GMO if relevant; infant formula compliance if targeting babies.
• Labeling & claims: US — clear Supplement Facts; UK/EU — food supplement labeling in local language; avoid unapproved disease claims. Indicate storage and PAO (use‑after‑opening) instructions.
• Clinical reassurance: include clinician/nutritionist review, suggested lab monitoring guidance, and drug interaction warnings (notably warfarin).

FAQ 

Q: How many IU of vitamin D3 should I take daily?

• A: Typical maintenance is 800–2000 IU/day for adults; individual needs depend on baseline 25(OH)D — test and follow clinician guidance.

Q: Do I need vitamin K2 when taking vitamin D3?

• A: K2 helps direct calcium into bone and may reduce vascular calcification risk; many clinicians recommend combined D3+K2, especially for long‑term supplementation.

Q: Are drops better than pills?

• A: Drops allow flexible dosing (infants, titration) and typically use oil for better absorption; pills are convenient for fixed dosing.

Q: Can I take D3+K2 with blood thinners?

• A: Not without medical supervision. Vitamin K can affect warfarin dosing—consult your prescriber before starting.

Q: How to store the drops?

• A: Keep in a cool, dark place; follow label for refrigeration if required and use within the stated PAO after opening.

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OWN Brand

Intergroup is supplying OEM service for the Well-known brands Reson and Ausreson. Alibaba International Station No.1 supplier, Alibaba International Station Number 1, Alibaba International Station Number one Customized logo is welcome, Packing as your requirement. offering private label

Cusrom Process

01 Contact us 02 Confirm Product Formula 03 Sample Confirmation 04 Deposit Payment 05 Factory Production 06 Product Quallty Inspectlon 07 Balance Payment 08 Dispatch and Delvery

Factory & Exhibition

Private Label design, fast delivery, USA Warehouse, European Warehouse, capsules factory,Softgels factory,tablets factory, pills factory, Gummies factory, Liquid Drops factory,Gum factory,solid beverage factory, customized factory, capsules manufacturer, Softgels manufacturer, tablets manufacturer, pills manufacturer, Gummies manufacturer, Liquid Drops manufacturer,Gum manufacturer,solid beverage manufacturer.

In order to better serve our global customers, we will participate in various large-scale exhibitions.Europe, North America

Certifications

We are a nutritional supplement raw material and nutritional supplement brand OEM manufacturing factory in China with ISO 22000, ISO 9001, HACCP Management certifications, GMP certificate the factory, HALAL, CE, CE-ROHS, Organic, KOSHER, NSF Product certifications.Our product's comprehensive certification standards.

Packaging

We promise to provide high-quality products, but please raise any quality issues within 15 days of receiving the package.

From concept to finished product, we are committed to quality, efficiency, and customer satisfaction. Let us help you bring your product to life!

FAQs

Q: What kind of OEM forms can you supply ?
A: Pre mix powder, Capsules, Tablets, pills, Softgel,drops, Gummy.

Q: What's the pill size?
A: Capsule: 2#,1#,0#, 00#. Tablet: Can customize like 500mg, 1000mg, 1500mg, 2000mg

Q: What are capsule shells made of ?
A: Gelatin,HPMC (Vegan), Enteric gelatin & enteric vegan shells.

Q: Can the formula be customized by our Own Formula?
A: Yes, The formula can be exact customized.

Q: Minimum Order Quantity (MOQ) ?
A: Small quantity sample can be customized according to your requirements. Official order MOQ: 100,000 pieces

Q: Can you supply bottles with private label?
A: Yes, all can be customized.

Q: What kind of certificates can you supply for your OEM capsules / Tablets?
A: Health certificate, Original certificate.