Home > Product > Capsules

High Potency 5000 IU vitamin d3 capsules | OEM Manufacturer

High Potency 5000 IU vitamin d3 capsules | OEM Manufacturer
High Potency 5000 IU vitamin d3 capsules | OEM Manufacturer
High Potency 5000 IU vitamin d3 capsules | OEM Manufacturer
  • High Potency 5000 IU vitamin d3 capsules | OEM Manufacturer
  • High Potency 5000 IU vitamin d3 capsules | OEM Manufacturer
  • High Potency 5000 IU vitamin d3 capsules | OEM Manufacturer storehouse
  • High Potency 5000 IU vitamin d3 capsules | OEM Manufacturer quality testing
  • High Potency 5000 IU vitamin d3 capsules | OEM Manufacturer quality testing

Product Overview:

Often called the "sunshine vitamin," Vitamin D is unique—it functions more like a hormone in your body, regulating countless processes. Yet, in our modern, indoor-centric lifestyles across the United States, United Kingdom, and Europe, deficiency is startlingly common. This is where a simple, potent, and reliable solution comes in: Vitamin D3 Capsules.

For health-conscious individuals seeking to proactively support their foundational health, understanding and supplementing with Vitamin D3 is not just an option; for many, it's a necessity for year-round wellness.
sales05@nutritionoem.com, sales09@nutrition-oem.com

Efficacy: Sports Nutrition Supplement

High Potency 5000 IU vitamin d3 capsules | OEM Manufacturer Details

Last updated: July 2026

Product Name Vitamin D3 (Cholecalciferol) Softgels Private label OEM Manufacturer
Active Ingredients Vitamin D3, Vitamin K2 (as MK-7)
Vitamin D3 Potency 5000 IU (125 mcg) per softgel (or “60,000 IU per bottle” if 12 x 5000 IU)
Vitamin K2 Potency 100 mcg (as MK-7) per softgel
Source of D3 Lanolin (or “Vegan lichen-based” upon request)
Carrier Oil Extra Virgin Olive Oil (or MCT Oil)
Capsule Shell Gelatin (or HPMC – Vegan option)
Certifications GMP, ISO, Halal, Kosher, Organic (as applicable)
Bottle Size 60, 120, 240 softgels per bottle

Why Cholecalciferol (D3) in Capsule Form Dominates the Market

When formulating or sourcing Vitamin D, choosing the right form and delivery method determines both product efficacy and consumer satisfaction.

Vitamin D3 vs. Vitamin D2

Clinical research consistently demonstrates that Cholecalciferol (Vitamin D3) is significantly more effective at raising and maintaining serum 25(OH)D levels in the human body compared to Ergocalciferol (Vitamin D2). Vitamin D3 matches the exact form produced naturally by the human skin when exposed to sunlight.

The Advantage of Hard Gelatin or Vegetable Capsules

While tablets often require heavy binders and compression agents that can slow down dissolution, Vitamin D3 capsules offer several functional advantages:

  • Rapid Dissolution: Encapsulated powders or oil-beadlets release active nutrients faster in the digestive tract.

  • Clean-Label Friendly: Allows brands to formulate without unnecessary magnesium stearate, artificial colors, or harsh fillers.

  • Protection Against Oxidation: Quality capsule shells create an airtight seal that protects fat-soluble Vitamin D3 from light, heat, and oxygen exposure.

Key Potency Standards and Quality Benchmarks

Selecting the right dosage and ingredient quality is critical for regulatory compliance and customer safety in EU and US markets.

Popular Market Potencies

Depending on target regional regulations and intended consumer use, standard B2B formulations generally fall into three primary strength categories:

  1. 1,000 IU (25 mcg): Ideal for daily baseline maintenance and general wellness routines.

  2. 2,000 IU (50 mcg): The standard daily strength popular among North American consumers during winter months.

  3. 5,000 IU (125 mcg): Targeted high-potency formulations designed for individuals with measured nutrient deficiencies under professional guidance.

The Role of Synergistic Co-Factors

Leading wellness brands, including industry innovators like Reson and Ausreson, frequently combine Vitamin D3 with fat-soluble Vitamin K2 (MK-7) inside capsule formulations. Vitamin K2 works synergistically with D3 to ensure that absorbed calcium is properly directed to the bones and teeth rather than accumulating in soft tissues or cardiovascular pathways.

OEM Service
We offer OEM services, please contact us for more information>>
Product Type Capsules,Softgels,Tablets,Gummies,Liquid Drops,Gum,solid beverage and other customized products
Packaging Bottles, Bags, Bulk, Blister packs, Custom
Formulas Standard formulas or custom formulas
OEM service Support OEM&ODM Custom service,Different Formula,Flavors, Shapes,Bottle ,Color

How to Choose a Superior Vitamin D3 Capsule

  • Form of Vitamin D: Always choose Vitamin D3 (cholecalciferol) over D2 for human supplementation.
  • Appropriate Potency: Common maintenance doses range from 1000 IU to 5000 IU daily. For specific needs, a blood test and consultation with a healthcare provider can determine your ideal dose.
  • Combined with Vitamin K2 (MK-7): This is the gold-standard combination. Vitamin K2 acts as a director, ensuring the calcium absorbed by Vitamin D is deposited into bones and teeth, not soft tissues like arteries. Look for "D3 + K2" complex capsules.
  • Third-Party Tested for Purity: Reputable brands will have their products independently verified for accurate potency and screened for contaminants—a key trust signal for discerning consumers in the EU and North America.

Frequently Asked Questions.

Q1: What's the difference between Vitamin D and Vitamin D3?

  • A: "Vitamin D" is the general term for this nutrient family. Vitamin D3 (cholecalciferol) is the specific, natural form produced by your skin and found in animal sources (like fatty fish). It is more potent and effective at raising blood levels than the plant-derived Vitamin D2 (ergocalciferol). Always opt for D3 in supplements.

Q2: Can I get enough Vitamin D from diet alone?

  • A: It's very difficult. Very few foods (e.g., fatty fish, cod liver oil, egg yolks) contain significant amounts. Fortified foods (milk, cereal) provide some, but rarely enough to reach optimal levels, especially for those living in less sunny climates. Supplementation is often necessary.

Q3: What is the ideal dosage? Can you take too much?

  • A: General maintenance doses for adults typically range from 1000 IU to 4000 IU daily. However, individual needs vary widely based on baseline blood levels, location, and skin tone. Vitamin D toxicity from supplements is rare but possible with extremely high, long-term overdosing. It's always wise to have your levels checked via a simple blood test (25-hydroxyvitamin D test) to guide personalized dosing.

Q4: Why is Vitamin K2 included in many D3 capsules?

  • A: They are a powerful synergy. While D3 enhances calcium absorption, K2 (specifically as MK-7) activates proteins that guide that calcium into bones and teeth and away from arteries and soft tissues. Taking them together supports both bone and cardiovascular health more effectively.
Hot Sale Products 
Sports Nutrition Supplement Creatine Monohydrate Powder
BCAA Amino Acids Powder
L-Carnitine Capsules
Creatine Gummies
Hair Nails and Skin Supplements Collagen + Vitamin C Tablets
Biotin Capsules
Hyaluronic Acid + Zinc Gummies
Marine Collagen Drink
Slimming Supplement Apple Cider Vinegar Gummies
Garcinia Cambogia capsules
Fat buming tablets
L-CarnitineLiquid
Memory Brain Supplement Ginkgo Biloba Capsules
Omega-3 Fish Oil Softgels
L-Theanine Capsules
Lion's Mane Mushroom Capsules
Sleep Supplement Melatonin Tablets
Magnesium L-Theanine Gummies
Ashwagandha Capsules
Melatonin gummies
Health Care Supplement Probiotics complex Capsules
Vitamin D3 + K2 Softgels.
coenzyme Q10 Capsules 
Multivitamin Tablets
Gummy & Gummies Vitamin C Gummies
Apple Cider Vinegar Gummies
Hair, Skin & Nails Gummies
Sleep Gummies
Drops & Drink Vitamin D3 k2 Drops
Multivitamin B Drops
Collagen Drink
 Vitamin C Drink 
Effervescent Tablets Electrolyte Hydration Tablets
Multivitamin Effervescent Tablets
Vitamin C Effervescent Tablets
Magnesium Effervescent Tablets
Other products Vitamin K2 + D3 Oral Strips
probiotic oral strips
sea moss gel
Focus Energy Exploding beads
Need bulk purchasing or OEM customization? [Click here for a quote]

our brand

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

custom

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

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

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.

package

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!

why

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.

Back Home

Inquire This Product

©2026 Xi'an ECO Biotech Factory Co., Ltd.