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Diamine Oxidase capsules from porcine kidney extract | bulk supplier



Product Overview:
Diamine oxidase (DAO) capsules have become one of the fastest-growing segments in the Western dietary supplement market, primarily driven by increasing consumer focus on histamine intolerance (HIT) and gut health optimization.
For dietary supplement brands, distributors, and healthcare practitioners in the US and Europe, sourcing stable, effective, and regulatory-compliant DAO ingredients is crucial.
This comprehensive B2B guide details the key technical specifications, core bioefficacy, and supply chain transparency metrics required for the successful launch of a DAO product line.
Product Attributes
Dosage Form: capsules
Dose: 2 capsules per day
OEM: Customized logo is welcome, Packing as your requirement. offering private label
Type of Product: Diamine Oxidase capsules
Model Number: ASRN-Diamine Oxidase capsules
Specification: 500mg,800mg/bottle or customized
Sample: lDiamine Oxidase capsules Avaliable
Source: Porcine Kidney Extract (Highest natural bio-activity)
Active Ingredient: Natural Diamine Oxidase (DAO) Enzyme
Standardized Activity: 20,000 HDU to 30,000 HDU per capsule
Certifications: GMP, ISO 9001, Halal, Kosher
MOQ: 50 bottles
Keywords: Diamine Oxidase capsules
Brand: Ausreson
Appearance: capsules
Storage: Cool Dry Place
Shelf Life: 2 Years
Test Method: HPLC
Product Details
Core Mechanism
To successfully market DAO capsules to your clients or patients, understanding the exact physiological gap it fills is essential.
The Mechanism: Dietary Histamine Degradation- Many healthy foods—such as aged cheese, wine, fermented vegetables, and canned fish—are rich in dietary histamines. In a healthy gut, endogenous Diamine Oxidase breakdown these histamines. However, when a deficiency in the intestinal DAO enzyme occurs, exogenous histamines enter the bloodstream, triggering systemic discomforts often mistaken for food allergies.
- Exogenous Enzyme Replenishment: Acting as a functional digestive enzyme, ingested DAO temporarily increases the enzyme pool in the intestinal lumen.
- Neutralizing Food Triggers: It breaks down dietary histamine from food sources before it can cross the intestinal mucosa, effectively supporting healthy digestion and systemic comfort after meals.
European and US regulatory bodies (like EFSA and FDA) mandate strict traceability for animal-derived enzymes. Our supply chain transparency ensures your finished product passes any regulatory audit.
Full Ingredient Disclosure (Per Capsule)- Active Matrix: 4.2 mg Porcine Kidney Extract (providing 20,000 HDU of Diamine Oxidase enzyme).
- Excipients & Stabilizers: Microcrystalline cellulose (bulking agent), Hydroxypropyl methylcellulose (enteric capsule shell), Ethylcellulose (moisture barrier).
- Clean Label Promise: Free from artificial colorants (TiO2-free), gluten, soy, dairy, and major allergens.

FAQ
Q1: What is the shelf life and stability profile of your DAO bulk capsules?
Our standardized DAO capsules exhibit excellent stability at room temperature (below 25°C / 77°F) with a verified shelf life of 24 months. We utilize multi-layer moisture-barrier packaging for bulk shipments to protect enzyme activity during ocean or air transit.
Q2: How is the enzyme activity measured and verified?Enzyme potency is measured in HDU (Histamine Degrading Units) via verified HPLC (High-Performance Liquid Chromatography) or enzymatic activity assays. Every batch is dispatched with a detailed Certificate of Analysis (CoA) validating both microbial purity and specific HDU activity.
Q3: Do you support custom formulations (e.g., adding Vitamin C or Quercetin)?Yes. For contract manufacturing (OEM/ODM) orders meeting our custom-run MOQs, we can co-formulate DAO with synergistic ingredients such as Vitamin C (which supports endogenous DAO activity) or Quercetin, creating a multi-action histamine support formula tailored to your brand.
Trust, Compliance, and EEAT VerificationPartnering with a manufacturer requires absolute regulatory peace of mind. Our production pipeline fulfills the highest global benchmarks:
- GMP Manufactured: Produced in an FDA-registered facility utilizing strict 21 CFR Part 111 standards.
- European Regulatory Alignment: Our porcine-derived DAO meets EU regulations regarding animal by-product traceability, allowing seamless import into the European market.
- 3rd-Party Validated Safety: Every production run undergoes independent ISO/IEC 17025 accredited laboratory testing to guarantee the absence of Heavy Metals, Salmonella, E. coli, and Mycotoxins.

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About us
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, customized manufacturer.
Our advantage
We possess extensive experience, handling every step from sourcing each ingredient in the formulation to post-filling inspection, all at the most competitive prices and with the fastest delivery times.
InterlGroup owns factory, Main Product Foods additives, Nutritional supplements, Healthcare Products(capsules,Softgels,tablets,Gummies,Liquid Drops,Gum,solid beverage and other customized products), plant extracts.
Support OEM&ODM service,Design label packaging, Overseas in stock, Fast customization, Drop Shipping.
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.
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