High potency Vitamin D3 tablets for bone and immune health



Product Overview:
Vitamin D3 (Cholecalciferol) is a vital hormone-precursor that plays a central role in nearly every system of your body. From facilitating calcium absorption for strong bones to modulating the immune response and supporting a positive mood, Vitamin D3 is the foundational nutrient your body needs to thrive in every season.
Efficacy: Sports Nutrition Supplement, Immune Support Supplement
High potency Vitamin D3 tablets for bone and immune health Details
| Product Name | Vitamin D3 tablets | GMP certification | Reson |
| Certificates | Organic/HALAL/CE-ROHS/KOSHER/GMP/HACCP/ISO 22000/ISO 9001 |
| Services | OEM / ODM |
| Benefits | Energy Management, Immune Support |
| Keywords | Vitamin D3 tablets, Vitamin D3 for mood and energy support vitamin D3 for bone and immune health |
| Service&Advantage | 1) Short delivery 2) Cudtomzed design freely 3) 24hours stand by |
| Storage | Keep in a cool, dry, dark location in a tightly sealed container or cylinder. |
| Shelf Life | 24 Months |
Why is Vitamin D3 an essential nutrient?
1. Superior Bone Strength & Density- Without sufficient Vitamin D3, your body cannot effectively absorb calcium from your diet. Supplementing ensures that calcium is directed toward your bones and teeth, maintaining structural integrity and reducing the risk of fractures as you age.
- Vitamin D3 receptors are present on almost all immune cells. It helps "prime" your innate immune defenses to respond more efficiently to seasonal challenges while helping to balance the body’s overall inflammatory response.
- Studies show that optimal D3 levels are linked to improved muscle strength and balance. This is particularly important for active individuals and seniors looking to maintain independence and prevent falls.
- Often called the "Mood Vitamin," D3 is involved in the synthesis of serotonin (the feel-good hormone). Maintaining healthy levels is crucial for supporting emotional resilience, especially during the shorter, darker days of winter.
- When browsing for supplements, you’ll encounter Vitamin D2 (Ergocalciferol) and D3. Vitamin D3 is the preferred form because it is identical to the vitamin your body naturally produces in response to sunlight.
- Studies show that D3 is significantly more effective at raising and maintaining total Vitamin D levels in the bloodstream compared to D2.
Key Benefits of Daily Supplementation:
- Immune System Support: Helps your body fight off seasonal bugs and respiratory infections.
- Bone & Tooth Health: Essential for calcium absorption. Without D3, calcium cannot reach your bones effectively.
- Muscle Function: Reduces the risk of falls and fractures, particularly in adults over 50.
- Mood Regulation: Often linked to supporting mental well-being during "SAD" (Seasonal Affective Disorder) periods.
Choosing the Right Dosage: 1000 IU, 2000 IU, or 5000 IU?
| Group | Recommended Daily Intake (General) | Common Supplement Strength |
| Maintenance | 400 - 1000 IU (10-25mcg) | Daily Multivitamin or Low-dose D3 |
| Optimal Health | 2000 IU (50mcg) | Standard Vitamin D3 Tablet |
| Correction (Deficiency) | 4000 IU+ (100mcg) | High-Strength D3 (Consult a GP) |
| 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 | |||
| Flavor | OEM Sugar Free Natural Orange, Lemon, Apple, Grape,Strawberry,Watermelon,Fruit or any other Flavors you want | |||
| OEM service |
Support OEM&ODM Custom service,Different Formula,Flavors, Shapes,Bottle ,Color |
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How to Use
- The Daily Serving: Take 1 tablet daily.
- The Absorption Secret: Vitamin D3 is fat-soluble. For maximum absorption, always take your tablet with a meal that contains healthy fats (such as avocado, nuts, eggs, or olive oil).
- The "Bone-Building" Stack: Pair with Vitamin K2 (MK-7). While D3 absorbs calcium, K2 ensures that the calcium is deposited in the bones and kept out of the arteries.
- The "Year-Round" Strategy: While essential in winter, many experts recommend a maintenance dose throughout the summer if you spend most of your day in an office or use SPF 30+ daily.
FAQs:
1. When is the best time to take Vitamin D3 tablets?
- Since it is fat-soluble, take your tablet with your largest meal of the day (breakfast or lunch is ideal). Taking it at night may interfere with melatonin production in some individuals.
- Yes. The "Tolerable Upper Intake Level" (UL) for most adults is 4000 IU (100mcg) per day unless prescribed otherwise by a doctor. Excessive intake can lead to hypercalcemia (too much calcium in the blood).
- Traditional D3 is often sourced from lanolin (sheep's wool). If you follow a plant-based diet, look for Vegan Vitamin D3 sourced from Lichen.
- If you are deficient, you may start feeling improvements in energy levels and mood within 4 to 6 weeks of consistent daily use.
Why Choose ECO (Ausreson/Reson) for Your Health Journey?
- Certified Manufacturing Excellence: Our state-of-the-art facilities are GMP certified and FDA registered. We adhere to the strictest global production standards, ensuring every capsule, gummy, or tablet is free of contaminants.
- Pure, Traceable Ingredients: We partner with sustainable farms worldwide. From raw material sourcing to final bottling, our R&D team conducts rigorous third-party laboratory testing (SGS/Eurofins) to assess potency and purity.
- Global Efficacy: Our formulas have been successfully exported to over 50 countries, including the US, EU, and Australia, optimized to meet diverse international health regulations and consumer needs.
- Own Factory, Guaranteed Strength: We have a 500㎡ modern production base equipped with German-imported production lines and an ISO 9001 certified quality management system. Annual production capacity exceeds 5 million units, supporting flexible production and rapid delivery, with a 99.6% on-time order rate.
- Real Results, Real Stories: Based on clinical case studies and validated user testimonials, our products have proven to deliver the health benefits we promise.
- Expert Formulas: Our in-house team of nutritionists and chemists stays at the forefront, creating scientifically based and truly effective formulas.
Choosing us is not just choosing a product, but partnering with a global company you can trust for the long term.
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| Click here to get a product quote. | |||
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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.






