Overview
Shi Li Bao, translating to 'Vision Treasure,' is a category of dietary supplements popular in China for supporting eye health. These products typically contain a blend of vitamins, antioxidants, and herbal extracts believed to benefit visual function. While formulations vary by manufacturer, common ingredients include lutein, zeaxanthin, bilberry extract, and vitamin A - nutrients clinically associated with macular health and night vision. Unlike pharmaceutical products, Shi Li Bao supplements are not intended to treat or cure eye diseases but are marketed as supportive products for general eye care. Their popularity has grown alongside increasing screen time in modern lifestyles. However, product efficacy depends heavily on ingredient quality and dosage, requiring careful evaluation by B2B buyers.
Key Features
Quality Shi Li Bao products distinguish themselves through research-backed formulations. Effective versions typically contain standardized extracts with guaranteed active compound levels, such as bilberry anthocyanins (usually 25-36% concentration) or lutein esters (often 5-20mg per serving). Many incorporate bioavailability enhancers like phospholipids or black pepper extract to improve nutrient absorption. Advanced formulations may feature combination approaches, pairing traditional ingredients like goji berry with modern nutrients like astaxanthin. Some brands emphasize blue light protection claims, though these require specific carotenoid blends. Certifications like GMP manufacturing or third-party testing for heavy metals/residues indicate higher quality tiers important for B2B selection.
Application Areas
These supplements primarily serve three market segments: aging populations concerned about macular health, office workers experiencing digital eye strain, and parents seeking children's eye development support. In clinical settings, they're sometimes recommended as adjuncts to conventional treatments for mild dry eye or night vision difficulties, though never as replacements for medical care. Beyond individual consumers, Shi Li Bao products are incorporated into corporate wellness programs, particularly in tech industries where employees face prolonged screen exposure. Some manufacturers produce private-label versions for optical chains to recommend alongside eyewear purchases. The supplements also see demand in academic settings during exam periods when students experience intensive reading demands.
Precautions
While generally considered safe, vision supplements require several usage precautions. Fat-soluble vitamins like vitamin A can accumulate to toxic levels with excessive intake, making dosage adherence critical. Some herbal components may interact with blood thinners or diabetes medications, necessitating physician consultation for medicated users. Storage conditions significantly impact stability - most products require protection from heat and humidity to prevent nutrient degradation. B2B buyers should verify expiration dating practices, as oxidized ingredients lose efficacy. False claims about treating specific eye diseases represent regulatory red flags; compliant labeling should focus on nutritional support rather than therapeutic outcomes.
B2B Procurement Guide
Professional buyers should prioritize suppliers with transparent ingredient sourcing and analytical testing reports. Key evaluation points include certificate of analysis (COA) availability for each batch, FDA or equivalent regulatory registration, and clinical research supporting the specific formulation (not just individual ingredients). Minimum order quantities (MOQs) typically range from 500-5,000 units depending on packaging complexity. Private label options may require higher volumes. Lead times vary from 4-12 weeks, with seasonal demand peaks around Chinese New Year and back-to-school periods. Payment terms commonly involve 30-50% deposits, with balance upon shipment. Reputable manufacturers provide sample kits for efficacy verification before large orders.
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