/ Fucoxanthin / Brown Seaweed Extract is a botanical extract derived from Undaria pinnatifida (wakame) brown seaweed, standardized to Fucoxanthin. With CAS registry number 3351-86-8, this ingredient belongs to the Fat Oxidation & Thermogenesis category of weight management actives. Fucoxanthin uniquely induces UCP1 expression in white adipose tissue (WAT), converting energy-storing white fat cells into energy-burning brown-like fat cells ("browning effect"). No other natural carotenoid has this mechanism. Particularly effective for reducing visceral/abdominal fat. As a B2B manufacturer, Shaanxi Baisifu Biological Engineering Co., Ltd. supplies Fucoxanthin / Brown Seaweed Extract in bulk quantities with full Certificate of Analysis (COA), ensuring consistent Fucoxanthin content and regulatory compliance for dietary supplement, functional food, and nutraceutical applications.
Standard specifications for Fucoxanthin / Brown Seaweed Extract bulk supply from Baisifu:
Fucoxanthin uniquely induces UCP1 expression in white adipose tissue (WAT), converting energy-storing white fat cells into energy-burning brown-like fat cells ("browning effect"). No other natural carotenoid has this mechanism. Particularly effective for reducing visceral/abdominal fat.
Level II evidence. Animal studies show 5-10% abdominal fat reduction. Abidov et al. (2010) human pilot study showed significant waist circumference reduction. Maeda et al. demonstrated fucoxanthin+fish oil enhanced effect by 3×.
No significant adverse effects. Consumed safely in traditional Japanese/Korean diets. Pregnancy/lactation safety not established. Iodine in crude extracts may affect thyroid — purified extracts have minimal iodine.
Shaanxi Baisifu Biological Engineering Co., Ltd. manufactures and supplies Fucoxanthin / Brown Seaweed Extract (CAS 3351-86-8) in bulk quantities for: • Dietary supplement manufacturers (capsules, softgels, tablets, powders)
• Functional food & beverage producers
• Nutraceutical brands seeking Fucoxanthin standardized ingredient
• Cosmetics companies (anti-cellulite, metabolic support topical) Each batch includes full Certificate of Analysis (COA) with:
• Fucoxanthin content verification (HPLC/UV)
• Heavy metals, microbial, moisture compliance
• Pesticide residue testing (where applicable)
• Stability data and shelf life confirmation Available forms: powder extract, oil-based softgel fill, microencapsulated powder
Minimum order: 1 kg (sample quantities available)
Lead time: 7–15 business days
Packaging: 25 kg/drum, double-layer PE bag + fiber drum, nitrogen flush available
Q1: What makes Fucoxanthin different from other fat-burning ingredients?
Fucoxanthin uniquely induces UCP1 in white adipose tissue, converting white fat to brown-like fat ("browning"). No other natural carotenoid has this mechanism. Particularly effective for visceral/abdominal fat.
Q2: Does Fucoxanthin work better with fish oil?
Yes. Maeda et al. showed 3× greater visceral fat reduction with fucoxanthin+fish oil vs. fucoxanthin alone. Fish oil enhances absorption and provides complementary anti-inflammatory effects.
Q3: Is Fucoxanthin suitable for vegetarians?
Purified fucoxanthin extract from seaweed is plant-based and suitable for vegetarians. However, many commercial products combine it with fish oil in softgels (not vegetarian). Standalone plant-oil capsules available.
For complementary weight management formulations, consider combining Fucoxanthin / Brown Seaweed Extract with: Green Tea Extract, Astaxanthin, Lotus Leaf Extract, Mangostin. Multi-ingredient stacks targeting different mechanisms (lipase inhibition, AMPK activation, thermogenesis, appetite suppression) produce synergistic effects superior to single-ingredient products.
About Baisifu: Shaanxi Baisifu Biological Engineering Co., Ltd. (No.69, Jinye Road, Xi'an, 710065, Shaanxi, China | Tel: 0086-29-81110978) is a GMP/ISO-certified manufacturer of botanical extracts, food flavors, amino acids, peptides, and biopesticides with 1,000+ products exported to US/EU B2B markets.
Disclaimer: This content is for informational and B2B product development purposes only. Fucoxanthin / Brown Seaweed Extract (CAS 3351-86-8) is a raw ingredient for dietary supplement and functional food formulation, not a finished consumer product. Claims cited are from published research and regulatory approvals — they do not constitute medical advice or guarantee specific outcomes. Consult regulatory experts for target market compliance.
| Parameter | Specification |
|---|---|
| Fucoxanthin | 1-10% (HPLC) |
| Total Carotenoids | ≥5% |
| Appearance | Orange to dark brown powder |
| Solubility | Oil-soluble; limited water solubility |
| Particle Size | 80 mesh |
| Moisture | ≤8% |
| Heavy Metals | ≤10 ppm |
| Seaweed Origin | Wakame / Hijiki / Kelp |
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