Skyherb is a professional natural herbal extract manufacturer in China. It was founded by several phytochemical experts 9 years ago. We've been working very hard to satisfy our customers' needs and expand our influence. Today, Skyherb is one of few Chinese companies that's been GMP and Kosher certified. Our product list is as follows: Apple Extract Apple polyphenols 50%, 70%, 75%, 80% Phloridzin 40%, 60%, 80%, 90%, 98% Phloretin 70%, 80%, 90%, 98% Acerola Extract Natural Vitamin C 17%, 25% Artichoke Extract Cynarin 2.5% Bamboo leaf Extract Flavones 5% ~ 50% Birch bark Extract Betulin 70%, 90%, 98% Betulinic acid 50%, 90%, 98% Chamomile Extract Ratio extract 4:1, 10:1 Apigenin 1.2%, 3%, 5%, 70%, 80%, 90%, 95%, 98% Grape seed extract Proanthocyanidin 95 Polyphenols 80%, 85%, 90%, 95% Green coffee bean Extract Chlorogenic acid 30%, 45%, 50% Total Chlorogenic acids 50%, 60%, 70% Peanut shell Extract Luteolin 80%, 90%, 95%, 98% Red wine Extract Polyphenols 30~50% Resveratrol 0.5%, 5% Anthocyanidin 2% Rhodiola rosea Extract Rosavin 1% ~ 10% Rosavins 1%~ 15% Salidroside 1% ~ 10% Green Tea Extract Polyphenol: 20-98% EGCG: 20-80% Catechin: 20-90% Caffeine: 1-99%