Sulforaphane Powder
CAS No: 4478-93-7
Specification:0.6%,1%,2%,10%,50%,98% Sulforaphane Powder
Appearance: Light Yellow Fine Powder
Test Method: HPLC
Lead time: 1-3 days
Storage: Cool dry place and avoid light
Shelf Life: 2 years
MOQ: 1KG
Sample: Free sample available
Certifications: GMP,KOSHER,HALAL,ISO9001:2015,ISO22000:2018
Payment: T/T
Advantage: 100,000 level clean production workshop, Non-additive, Non-GMO, radiation-qualified product.
- Fast Delievery
- Quality Assurance
- 24/7 Customer Service
Product Introduction
What is Sulforaphane?
Sulforaphane powder is a naturally derived compound, primarily extracted from cruciferous vegetables like broccoli and kale, renowned for its potent antioxidant and anti-inflammatory properties. As a key bioactive ingredient, it has gained significant attention in the health and wellness industry for its potential to support overall vitality and cellular health.

At Healthkintai®, we take pride in offering high-quality sulforaphane in three distinct specifications: 0.6%,1%,2%,10%,50%,98%, ensuring that we can meet the diverse needs of our global clients, whether for dietary supplements, functional foods, or cosmetic formulations. What sets us apart is our unwavering commitment to quality and compliance – we hold a comprehensive range of internationally recognized certifications, including GMP,KOSHER,HALAL,ISO9001:2015,ISO22000:2018. These certifications are not just credentials but a testament to our adherence to the strictest global standards, guaranteeing that every batch of our sulforaphane is safe, pure, and consistent in quality. When you choose Healthkintai® as your supplier, you’re choosing a partner dedicated to delivering excellence that aligns with international regulatory requirements.Please feel free to contact us at info@kintaibio.com.
Kintai's Broccoli seed extract specifications
|
Product Name |
Key Active Ingredient(s) & Specification |
Key Feature / Note |
|
Broccoli Water Extract |
Glucoraphanin: 0.6%1% 2%10% 13% 22% 30% |
Two distinct specifications available. |
|
Broccoli Seed Extract(hot sale) |
Sulforaphane: 1% 5% 10%98% |
High-purity sulforaphane options available |
|
Compound Broccoli Seed Extract |
Glucoraphanin: 13% & Sulforaphane: 1% |
A combined specification containing both key compounds. |
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Sulforaphane Powder Raw Material and Manufacrure Process
1.KINTAI Broccoli Extract Plant Sourse
Our sulforaphane production begins with broccoli seeds or specially cultivated shoots, rich in sulforaphane glycosides. Studies have shown that broccoli seeds and sprouts have the highest sulforaphane content. First, sulforaphane glycosides are extracted from these raw materials using solvents to form a crude extract. The core step in sulforaphane preparation is enzymatic hydrolysis in a mild acidic to neutral environment (pH 5-7). This process relies on myrosinase naturally present in the raw materials, or an additional enzyme.

Under the action of the enzyme, the glucosinolate bonds of the sulforaphane molecule are specifically cleaved, releasing an unstable intermediate, which then rapidly rearranges to ultimately generate the bioactive isothiocyanate—sulforaphane. The resulting sulforaphane is then separated and purified using methods such as concentration and chromatography to obtain a high-purity final product.Healthkintai® has professionally partnered agricultural bases to cultivate broccoli seeds and sprouts. Our raw materials undergo strict control and screening to provide you with pure, natural, high-content sulforaphane.

2.Manufacrure Process

Sulforaphane Powder Benefits
1.Cellular Defense and Detoxification
Sulforaphane's core mechanism lies in its efficient activation of the Nrf2 pathway in the body, essentially acting as a master switch for cellular self-protection. Once activated, it directs cells to produce a large number of antioxidant enzymes (such as superoxide dismutase) and key phase II detoxification enzymes (such as glutathione S-transferase). This essentially establishes a powerful "purification and defense system" for cells, effectively neutralizing free radicals, reducing oxidative damage, and promoting the metabolism and excretion of harmful substances such as environmental toxins and carcinogens, fundamentally enhancing the overall resistance of cells.
2.Anti-inflammatory Effects
Chronic low-grade inflammation is a common breeding ground for many modern diseases. Sulforaphane can reduce the excessive production of various inflammatory mediators at the molecular level by inhibiting key pro-inflammatory signaling pathways such as NF-κB. This regulatory effect helps to systemically alleviate the body's inflammatory state, benefiting not only joint health but also potentially supporting the improvement of inflammation-driven metabolic disorders (such as insulin resistance) and organ damage.

3.Sulforaphane Benefits for Skin
The core benefits of sulforaphane for the skin stem from its powerful antioxidant and anti-inflammatory properties. It can activate the skin's Nrf2 antioxidant pathway, enhancing cellular defenses and effectively combating oxidative damage caused by UV rays and pollution, thereby delaying photoaging. Simultaneously, by inhibiting inflammatory factors, it helps soothe sensitivity and redness, and may improve inflammatory skin problems such as acne. Some studies also show that it can promote collagen synthesis, supporting skin repair and a healthy skin barrier function.
4.Multi-Target Cancer Prevention Potential
Numerous preclinical studies have confirmed that Broccoli Extract exhibits multi-stage and multi-pathway positive effects in cancer prevention. It not only prevents initial DNA damage to cells through detoxification and antioxidant effects, but also inhibits cancer cell proliferation, blocks the cell cycle, and induces programmed cell death (apoptosis) during cancer cell development. Furthermore, it inhibits tumor angiogenesis, thereby limiting the nutrients required for tumor growth. Therefore, it is widely regarded as a highly promising natural chemopreventive agent.

5.Specific Protection for the Brain and Nervous System
Sulforaphane is one of the few potent plant compounds that can cross the blood-brain barrier. Once in the brain, its ability to activate Nrf2 and reduce neuroinflammation and oxidative stress provides direct protection for neurons. Studies suggest that it may play a positive role in improving some core symptoms of autism spectrum disorders and slowing the pathological progression of neurodegenerative diseases such as Alzheimer's disease, providing a new direction for maintaining cognitive function and long-term brain health.

Uses of Sulforaphane
1.Sulforaphane Supplement
In the field of health supplements, sulforaphane, as a core functional ingredient, is widely used in the development of products in the form of capsules, tablets,gummies, and powders. Its product positioning emphasizes three core functions: "deep cellular detoxification," "highly effective antioxidant," and "cellular-level protection," aiming to help modern people cope with environmental toxins and oxidative stress. Broccoli Extract has been innovatively incorporated as a key additive into functional foods, nutrition bars, and meal replacement products, allowing consumers to conveniently ingest it in their daily diet, meeting their daily needs for routine health management and enhancing the body's defenses.

2.Skincare and Cosmetics
Thanks to its exceptional antioxidant and anti-inflammatory capabilities, sulforaphane has become a highly sought-after active ingredient in skincare formulations. It precisely activates the Nrf2 defense pathway within skin cells, strengthening the skin's natural defense mechanisms at their source. This effectively neutralizes excess free radicals caused by UV rays, air pollution, and blue light, thus alleviating oxidative stress damage.
Simultaneously, Broccoli Seed Extract significantly inhibits the release of inflammatory factors, quickly soothing discomfort such as sensitivity and redness, and helping to improve pigmentation and uneven skin tone caused by inflammation. As a key anti-aging ingredient, sulforaphane also protects dermal collagen from degradation, maintaining skin elasticity and firmness, thereby significantly delaying signs of photoaging such as wrinkles, sagging, and roughness, achieving multi-dimensional skin repair and defense.

3.Sulforaphane for Dogs
The potential benefits of sulforaphane for dogs primarily stem from its powerful antioxidant and anti-inflammatory properties. It can activate the dog's cellular defense system (Nrf2 pathway), enhance liver detoxification, and help neutralize free radicals and metabolize toxins. This helps reduce chronic inflammation, potentially alleviating arthritis discomfort; supports cognitive function, or may benefit brain health in older dogs; and provides protection at the cellular level, showing potential for cancer prevention.
These benefits are contingent upon using canine-specific, safe-dosage supplements. Never feed canines vegetables such as broccoli directly (as this can easily cause bloating and is ineffective), and always use it under the guidance of a veterinarian to ensure safety and effectiveness.

Sulforaphane Powder Dosage
|
Industry Category |
Application Focus |
Recommended Dosage Range |
Usage Notes & Remarks |
|
Pharmaceuticals & Nutraceuticals |
Antioxidant, anti-inflammatory, cancer support |
20–100 mg/day |
Higher doses require medical supervision; co-administer with myrosinase for enhanced bioavailability |
|
Functional Foods |
Health drinks, energy bars, meal replacements |
5–20 mg/serving |
Odorless powder preferred for food integration; label active compound content clearly |
|
Beauty & Skincare |
Anti-aging, skin improvement |
Topical: 0.1–1% (1–10 mg/100g)<br>Oral: 10–30 mg/day |
Can be combined with collagen or vitamin C; highlight natural antioxidant benefits |

Sulforaphane Side Effects
Sulforaphane is generally considered safe, especially when ingested from foods such as broccoli. However, when used in high-dose supplement form, some individuals may experience the following side effects:
- Gastrointestinal upset: This is the most common side effect and may include bloating, flatulence, abdominal discomfort, constipation, or diarrhea. This is related to its impact on gut microbiota and digestive processes.
- Rare allergic reactions: In rare cases, allergic symptoms such as rash or itching may occur.
- Drug interaction risk: Sulforaphane can activate liver detoxification enzyme systems (such as cytochrome P450), which theoretically may accelerate the metabolism of certain drugs (such as the blood thinner warfarin, some analgesics, and sedatives), thereby reducing their effectiveness. Those taking prescription medications should exercise particular caution.
- Thyroid function effects: In individuals with insufficient iodine intake or pre-existing thyroid problems, high doses may interfere with the synthesis of thyroid hormones, as its metabolites may compete with iodine for utilization.

Why Choose KINTAI to buy the Best Sulforaphane?
- Superior Purity and Versatile Specifications
Our Broccoli Seed Extract stands out for its exceptional purity, derived from carefully selected cruciferous vegetables using advanced extraction techniques that preserve bioactivity. With three precise specifications—0.6%,1%,2%,10%,50%,98%—we cater to a wide spectrum of applications, from low-dose dietary supplements to high-concentration functional ingredients in cosmetics or nutraceuticals. This flexibility ensures clients can source exactly what they need without compromising on efficacy.
- Stringent Quality Compliance Backed by Global Certifications
What truly differentiates us is our unwavering commitment to international quality standards. Holding GMP,KOSHER,HALAL,ISO9001:2015,ISO22000:2018 certifications, every batch of our powder undergoes rigorous testing for safety, consistency, and potency. These credentials not only validate our production excellence but also streamline our clients’ regulatory processes, making it easier to enter global markets with confidence.
- Reliable Supply Chain and Client-Centric Service
Beyond product quality, we pride ourselves on a robust supply chain designed for efficiency and reliability, ensuring timely deliveries even for large-volume orders. Our team of experts provides tailored support, from technical consultations on formulation to assistance with documentation, ensuring a seamless experience for clients across industries. We don’t just supply ingredients—we build long-term partnerships focused on mutual success.Feel free to contact us at info@kintaibio.com.
FAQ
Q1:What cancers does sulforaphane prevent?
a1:Sulforaphane does not directly "cure" cancer, but rather demonstrates strong chemopreventive potential in laboratory and epidemiological studies through a multi-target mechanism. It is primarily studied for the prevention or reduction of cancer risks closely related to oxidative stress, inflammation, and environmental toxins, including: digestive system cancers such as stomach, colorectal, and liver cancer; hormone-related cancers such as prostate and breast cancer; and others, showing promising research prospects in the prevention of lung, bladder, and skin cancers.
Q2:What is the best form of sulforaphane?
A2:The most effective and stable form of sulforaphane supplementation is using standardized extracts containing glucoraphanin precursors and myrosinase. This combination (usually derived from high-quality broccoli sprouts or seed extracts) mimics the natural process in the gut, ensuring efficient and stable production and absorption of sulforaphane. Some advanced products also add myrosinase or employ activation technologies to enhance bioavailability.
Q3:Is it safe to take sulforaphane daily?
A3:For most healthy adults, daily intake of sulforaphane supplements within the recommended dosage is generally safe, especially when the product is derived from natural extracts such as broccoli sprouts. While long-term safety studies are limited, its mechanism of action is the activation of the body's inherent defense pathways, rather than the introduction of foreign compounds.
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