American Health Ester C with Citrus Bioflavonoids Vegetarian Capsules

American Health Ester C with Citrus Bioflavonoids Vegetarian Capsules 60 Capsules Expiration Date Always Fresh American Health Ester-C with Citrus Bioflavonoids is a breakthrough patented formula that contains naturally-occurring Vitamin C metabolites and is quickly absorbed. American Health Ester-C's unique manufacturing processneutralizes pH, making it gentle on the digestive system.American Health Ester-C delivers advanced antioxidant protection, remaining active in the immune system for up to 24 hours! 24-Hour Immune Support A recent clinical study showed that Ester-C increased vitamin C levels in the body for up to 24 hours. White blood cell levels of Vitamin C were elevated in subjects receiving Ester-C when measured 24 hours after initial dose. The presence of key metabolites such as threonate have been shown to be responsible for this increased level and retention of Vitamin C by the cells. No other patented vitamin C brand can make this claim!