What Is Garlic Extract?

Garlic Extract is a concentrated botanical ingredient derived from the bulb of Allium sativum through water or hydroalcoholic extraction, followed by concentration and spray-drying into a fine powder . Unlike garlic powder (simply dehydrated ground cloves), garlic extract is highly concentrated and often standardized for active compounds like allicin, delivering consistent potency and easier integration into diverse delivery systems .

The key bioactive component is allicin (diallyl thiosulfinate), which is formed when the garlic clove is damaged, converting alliin to allicin through the enzyme alliinase . However, allicin is notoriously unstable—it degrades quickly, which presents both a formulation challenge and an opportunity for suppliers who can deliver stabilized, standardized extracts .

Core Specifications & Quality Grades

For professional buyers, understanding specifications is the first step to accurate procurement. The core specifications of garlic extract are determined by active ingredient content, purity, form, and solubility .

Active Ingredient Specifications

The most critical procurement parameters include allicin content (commonly available at 1.0%, 2.0%, 3.0%, and 5.0% levels), SAC content for aged garlic extract grades (0.5%, 1.0%, and 2.0%), purity levels (95%, 98%, and 99%), form (powder at 80–100 mesh or liquid), and solubility (water-soluble or fat-soluble options).

Most garlic extract factories classify their products into three grades to meet different purchasing needs. Grade C is a cost-effective grade with 95% purity and 0.5 to 1.0% allicin content, with a minimum order quantity of 50 to 100 kilograms, best suited for trial orders and cost-sensitive projects. Grade B is the regular bulk grade with 95% purity and 1.0 to 2.0% allicin content or 0.5 to 1.0% SAC content, with a minimum order quantity of 100 to 500 kilograms, best suited for mass-market supplements and wholesalers. Grade A is the high-end custom grade with 98 to 99% purity and 3.0 to 5.0% allicin content or 1.0 to 2.0% SAC content, with a minimum order quantity of 500 kilograms or more, best suited for high-end brands, pharmaceutical applications, and custom projects.

Applications & Industrial Value

Garlic Extract is a versatile ingredient with applications spanning multiple industries.

In pharmaceuticals and nutraceuticals, manufacturers of heart-health supplements and immunity boosters almost exclusively prefer standardized Garlic Extract. The ability to standardize allicin content ensures every capsule meets dosage requirements. A 2025 meta-analysis indicated that garlic supplements show the most significant multi-indicator improvements in cardiometabolic health among individuals with higher baseline risk, with aged garlic extract having the most robust evidence for blood pressure support.

In functional foods and beverages, Garlic Extract is used as a natural flavoring and seasoning in soups, sauces, and condiments, as well as in functional foods and beverages targeting immune and cardiovascular support.

In cosmetics and personal care, Garlic Oil, which is distinct from Garlic Extract, dominates this sector as a hero ingredient in hair oils, scalp treatments, and anti-acne serums.

In animal feed and agriculture, both extract and powder are used as natural antimicrobials in livestock feed to reduce reliance on synthetic antibiotics.

Bioavailability Challenges & Delivery Systems

Allicin’s poor stability is the primary challenge in formulation. Innovative delivery systems have been developed to address this, including nanoparticles, gels, liposomes, and micelles . Research shows that most garlic supplements are standardized based on “allicin potential” rather than actual release. In an in-vitro dissolution test of 24 brands of enteric-coated garlic tablets, 83% released less than 15% of their labeled allicin potential due to excipient inhibition and slow disintegration .

For B2B buyers, this means that without the involvement of a supplier’s technical team in formulation and dosage form design, a “high-content” raw material may fail to release its active ingredients in the body. This is why leading suppliers position themselves as co-development enterprises—technical partners that intervene early in the end product’s research and development.

Regulatory & Quality Standards

When sourcing garlic extract, it is essential to verify that the product meets recognized standards. The USP standard requires allicin content within plus or minus 10% of the label claim and heavy metals below 2 parts per million. The European Pharmacopoeia sets pharmaceutical-grade quality specifications, while the FCC standard covers food-grade quality and safety. China has its own national standards, including GB/T 22254-2018 for garlic extract quality requirements and GB 1886.303-2021 for garlic extract as a food additive.

For buyers seeking organic certification, organic cultivation practices can yield 15 to 20 percent higher alliin content compared to conventional farming, directly translating to higher potential allicin profiles.

Regulatory & Quality Standards

When sourcing garlic extract, it is essential to verify that the product meets recognized standards. The USP standard requires allicin content within plus or minus 10% of the label claim and heavy metals below 2 parts per million. The European Pharmacopoeia sets pharmaceutical-grade quality specifications, while the FCC standard covers food-grade quality and safety. China has its own national standards, including GB/T 22254-2018 for garlic extract quality requirements and GB 1886.303-2021 for garlic extract as a food additive.

For buyers seeking organic certification, organic cultivation practices can yield 15 to 20 percent higher alliin content compared to conventional farming, directly translating to higher potential allicin profiles.

Packaging & Storage

Standard packaging is 25 kilograms per drum, using a fiber drum with a double-layer polyethylene liner, with customized packaging available upon request.

For storage, the product should be kept in a cool, dry, and well-ventilated area, away from direct sunlight and heat. The recommended temperature is below 25 degrees Celsius, with relative humidity under 60 percent.

When stored in its original sealed package, Garlic Extract has a shelf life of 24 months.

Why Choose Our Garlic Extract

As a professional garlic extract manufacturer, we offer high-quality, standardized extracts with multiple specification options, including allicin-standardized grades at 1.0%, 2.0%, 3.0%, and 5.0%, as well as SAC-standardized grades at 0.5%, 1.0%, and 2.0% to meet your formulation needs. We provide customizable purity levels of 95%, 98%, or 99% purity to match your exact requirements.

We ensure full traceability with complete COA documentation, including HPLC and UV analysis, heavy metals testing, and microbiological testing. Our flexible supply options range from 50-kilogram trial orders to full container shipments, with Grade B minimum order quantities of 100 to 500 kilograms and Grade A minimum order quantities of 500 kilograms or more.

Our products are produced in GMP-certified facilities with ISO, Halal, Kosher, and organic certifications available. We also provide co-development support, including early formulation involvement, dissolution testing, and stability data to ensure bioactivity in your final product.

Ready to try Garlic Extractfor your business? Contact us at info@xianherb.com for a free sample or wholesale price list.