Ultra-Potency Buffered Vitamin C Immune Capsules — front label Ultra-Potency Buffered Vitamin C Immune Capsules — representative back label artwork (Supplement Facts panel)

Immunity · Capsules

Ultra-Potency Buffered Vitamin C Immune Capsules

Our Ultra-Potency Buffered Vitamin C Capsules provide a massive 4,000 mg dose of Vitamin C as sodium ascorbate, offering a high-performance solution for immune support. This buffered form is designed to be gentler on the stomach than traditional ascorbic acid, making it ideal for customers who require high-dose supplementation. This formulation is a powerhouse addition to any professional-grade supplement line, focusing on rapid replenishment and long-term antioxidant defense. Produced in our GMP-certified facility, this SKU is ready for rapid private-label deployment. The minimalist ingredient list, featuring only the active ingredient and silicon dioxide for flow, appeals to brand owners seeking clean, high-efficacy formulations for their sophisticated customer base.

  • GMP & ISO Certified Manufacturing
  • Low Minimum Order Quantity
  • 4–6 Week Turnaround
  • Custom Formulation Available

Label artwork is representative. Final Supplement Facts panel copy is generated from your approved formulation during artwork proofing.

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Who manufactures private label Ultra-Potency Buffered Vitamin C Immune Capsules?

Peakfinity Labs manufactures private label Ultra-Potency Buffered Vitamin C Immune Capsules for brands in the immunity category. We are a GMP- and ISO-certified U.S. contract manufacturer headquartered in Exton, Pennsylvania, operating since 1980 across a 375,000+ sq ft facility. This formula is produced in capsules format with a 2,000 unit minimum order quantity and a 4-6 week production turnaround, including custom formulation, manufacturing, and finished packaging.

Key Benefits

Formulation & Ingredients

Supplement Facts
Serving Size: 6 Capsules
Servings Per Container: 30
IngredientAmount Per Serving% Daily Value
Vitamin C (as Sodium Ascorbate)4,000 mg4,444%

Percent Daily Values are based on a 2,000 calorie diet.

Other Ingredients: Silicon Dioxide

Panel shown is representative of the catalog formulation. Final Supplement Facts copy is set from your approved formula and label proof.

What Each Ingredient Does

IngredientFunction
Vitamin C (as Sodium Ascorbate)Buffered, high-dose antioxidant that supports healthy immune system function.

Who Orders This Formula

Product Attributes

Serving Size
6 Capsules
Servings Per Container
30
Delivery Format
Capsules

Manufacturing Details

Product Form
Capsules
Lead Time
4–6 weeks
Minimum Order Quantity
2,000 units
Certifications
GMP Certified, ISO Certified, FDA Registered Facility
Available Forms
Capsules

Indicative Pricing

Pricing: request a quote. This formulation uses components that are sourced or specified per order, so we price it individually rather than publishing an indicative range. Request a quote and our team will cost it against your exact spec, pack size and volume.

Browse Related Formulations

Category: Immunity General Wellness
Form: Capsules
Key Ingredients: Vitamin C Sodium Ascorbate
Health Goal: Immune Support Antioxidant Protection Cellular Health
Audience: General Wellness Athletes Seniors

Customize This Formula for Your Brand

Adjust ingredient dosages, swap actives, change the serving size, or add your own ingredients. Peakfinity's formulation team works directly with ecommerce brands to build exactly what they need — still with low MOQs and a 4–6 Week Turnaround.

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Frequently Asked Questions

What is the advantage of using Sodium Ascorbate over Ascorbic Acid?

We use sodium ascorbate, which is a non-acidic, buffered form of Vitamin C that is typically better tolerated at high doses.

What is the minimum order quantity for private label Ultra-Potency Buffered Vitamin C Immune Capsules?

Our standard MOQ for these high-potency capsules is 2,000 units per order.

How long does it take to manufacture private label Ultra-Potency Buffered Vitamin C Immune Capsules?

We maintain a 4-6 week turnaround time to ensure all quality control and potency testing is finalized.

Is this formula considered high-potency?

This formula is exceptionally high in Vitamin C, providing 4,000 mg to support intensive immune and antioxidant needs.

Further Reading: Guides for This Category

Manufacturing guides from our formulation team, matched to this formulation.

Ready to Launch This Product?

Get a quote, request a sample, or talk to our formulation team. Low MOQ. 4–6 Week Turnaround. GMP and ISO certified.

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