The Original (OG) K-Tropix Capsules.... Mitragynine (100mg), Vitamin B3 (Niacin), Vitamin B1 (Thiamine hcl), Vitamin D3, Vitamin B12 (Methylcobalamin), Vitamin K2, All Natural Flavors K-Tropix Proprietary Blend: PhGaba, Artichoke Leaf Extract, Caffeine Anhydrous, NAT (N-Acetyl Tyrosine), Alpha GPC (L-Alpha-Glycerylphosphoryl Choline)50%, L-Theanine, Ginkgo Biloba, Bacopa Monnieri, Vinpocetine, Coleus Forskohlii Extract 10%, Cognizin