Nature's bounty turmeric 450 mg 60 capsules bottle expiration date always fresh descriptionplus turmeric extract 50 mg standardized for 95 percent curcuminoidssupports immune health and antioxidant healthcontains antioxidant powerherbal supplementturmeric is an herbal component with a long history of use in india. The active ingredients in turmeric include beneficial flavonoids called curcuminoids, which are plant-based antioxidants. Antioxidants help fight cell-damaging free radicals in the body. Free radicals contribute to oxidative stress, which in turn can lead to the premature aging of cells. Turmeric is known to support the immune system.