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99% L-Ergothioneine Powder CAS 497-30-3 Cosmetic Grade 99% L Ergothioneine. High Purity Grade: 99.76% purity verified by HPLC test method. Water Soluble: Fully water-soluble white fine powder. Long Shelf Life: Valid for two years when stored properly. Flexible MOQ: Minimum order starts at 100g with bulk discounts. Customization Options: Offers full, minor, and sample-based customization. Fast Lead Time: Within 15 workdays for both peak and off-peak seasons. Multiple Payment Terms: Accepts LC, T/T, D/P, PayPal, and Western Union. OEM/ODM Service: Available for custom designs and samples.