Immune Support Capsules with Vitamin C OEM Manufacturer

Last updated: August 2026

Product Name	Immune Support Capsules OEM Manufacturer
Appearance	capsules
GMP certified factory	Xi'an ECO Biotech Factory Co., Ltd. Xi'an Henrikang Biotech Co., Ltd.
Brand	Reson and Ausreson
Specification	500mg/Cap,1000mg/Cap or as your request
Certification	ISO, Halal, HACCP
Keywords	Immune Support Capsules, immune support vitamin c Immune Support Capsules Manufacturer
Storage	Keep in a cool, dry, dark location in a tightly sealed container or cylinder.
Shelf Life	24 Months

Why Capsules Are the Superior Delivery Form for Immune Formulas

When formulating or purchasing daily immune supplements, ingredient integrity and gastric delivery are paramount. Immune support capsules offer distinct technical and biological advantages over chewables, gummies, or plain tablets:

• Protection of Sensitive Active Compounds: Key immune ingredients—such as Vitamin C, Zinc, Elderberry, and active Beta-Glucans—are susceptible to light, moisture, and oxidation. Gelatin and vegetarian (HPMC) capsule shells create an airtight barrier that preserves raw material potency throughout their shelf life.

• Targeted Gastric Release: Microencapsulated herbal extracts and probiotic strains in capsule form can be engineered for targeted release, preventing premature degradation by harsh stomach acids and ensuring optimal intestinal absorption.

• Clean-Label Purity: Unlike gummies or chewables that often rely on added sugars, artificial binders, high-fructose syrups, or synthetic dyes, encapsulated formulas deliver pure, concentrated bioactives without compromising dietary goals.

Key Bioactives in a Complete Immune Matrix

To address multi-faceted immune challenges, modern consumers demand broad-spectrum protection. High-performing options like Ausreson Immune Support Capsules leverage synergistic blend technology:

High-potency Vitamin C paired with chelated Zinc forms the foundation of cellular immunity. Zinc supports white blood cell function and lymphocyte development, while Vitamin C neutralizes free radicals produced during physical stress.

Standardized Sambucus Nigra (Elderberry) extract provides concentrated anthocyanins that assist upper respiratory health. Combined with Echinacea polyphenol compounds, this combo provides rapid-response seasonal defense.

Yeast-derived 1,3/1,6 Beta-Glucans train and prime key immune cells (neutrophils and macrophages) without overstimulating the system. High-potency Vitamin D3 regulates immune signaling pathways for balanced year-round health.

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

How Key Nutrients Support Immune Health

1. Vitamin C

Vitamin C contributes to the normal function of the immune system and helps protect cells from oxidative stress.

2. Vitamin D3

Vitamin D3 plays a role in the normal function of the immune system. Adequate levels are especially important during months with limited sunlight.

3. Zinc

Zinc contributes to normal immune system function and helps protect cells from oxidative stress.

4. Elderberry & Probiotics

Elderberry has been traditionally used to support immune health. Probiotics support a healthy gut environment, where a significant portion of immune cells reside.

Why Partner with Reson for Your Private Label Immune Capsules?

As an established leader in cross-border B2B supplement manufacturing, Reson provides end-to-end OEM/ODM solutions tailored for fast-growing brands in Europe and North America.

Our proprietary Ausreson™ encapsulation technology ensures rapid dissolution profiles while protecting sensitive active ingredients from gastric acid degradation. This significantly enhances the bio-availability of the nutrients, meaning the end-consumer gets the maximum biological benefit from every capsule.

We understand that supply chain agility is key to modern e-commerce and retail success. We offer scalable Minimum Order Quantities (MOQs) for custom formulations, allowing you to test innovative ingredient blends without heavy upfront capital risk.

Premium Capsules vs. Mass Market Alternatives

When sourcing wholesale immune supplements or evaluating retail brands, technical specifications dictate true real-world efficacy:

Performance Metric	Premium Immune Capsules (e.g., Reson / Ausreson)	Standard Mass-Market Tablets / Gummies
Sugar & Filler Content	Zero Added Sugars, No Artificial Binders	High Sugar Content (Gummies), Heavy Binders
Ingredient Stability	Moisture-Resistant Capsule Barrier	High Oxidation Risk, Degrades Over Time
Nutrient Absorption	High Bioavailability & Rapid Dissolution	Heat Processing Can Denature Active Compounds
Dietary Compatibility	Non-GMO, Vegan/Vegetarian Options, Gluten-Free	Often Contains Gelatin, Allergens, or Dyes
Potency Precision	Standardized Botanical Extracts (Verified actives)	Low-Grade Unstandardized Raw Powders

Immune Support Capsule Manufacturing Specifications:

Vitamin C per capsule: 250 mg — Customizable (100–500 mg)

Vitamin D3 per capsule: 1,000 IU — Customizable (400–5,000 IU)

Zinc per capsule: 15 mg — Customizable (10–25 mg)

Elderberry extract per capsule: 100 mg — Customizable

Probiotics per capsule: 1 billion CFU — Customizable

Content uniformity: Tested per batch (RSD ≤ 5%)

Heavy metal testing: Lead, arsenic, mercury, and cadmium tested per batch; compliant with USP/EP standards

Capsule type: Gelatin (standard), HPMC vegetarian (optional)

Minimum Order Quantity (MOQ): 10,000 capsules (standard); 50,000 capsules (customized)

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Need bulk purchasing or OEM customization? [Click here for a quote]

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.