A supplement to support the immune system and other bodily functions. **Key benefits of Solgar Ester-C Plus 500mg Vitamin C:** - Unique patented formula, including bioflavonoids, acerola and rose hips - Supports a healthy immune system and is retained in your body\'s immune cells for up to 24hrs - Gentle, highly absorbable form of vitamin C - Excellent antioxidant - Ideal for sensitive stomachs \"The Better Vitamin C\" - Solgar Ester C Plus 500mg is a unique formula utilizing a premium patented, non-acidic, form of vitamin C, Ester C which may be easier for your body to absorb. This proprietary formula is an exclusive product to Solgar and contains additional natural plant bioflavonoids that naturally accompany Vitamin C in fruits and vegetables. Ester C itself is also gentle on the stomach compared to traditional forms of vitamin C, and so is less likely to irritate, making this product a good choice for everyone. Once taken Ester C is also retained by your immune cells for longer than regular Vitamin C, giving you superior immune support. Vitamin C, a water soluble vitamin that helps fight free radicals and to maintain a healthy immune system. It has multiple benefits which supports optimal health, ranging from promoting healthy skin, reducing tiredness and fatigue and supporting healthy bones and teeth. Solgar Ester C Plus 500mg delivers all the health benefits of this premium Vitamin C, in a convenient 1 - 3 a day vegetable capsule, contributing to: The normal function of the immune system (including during and after intense physical exercise). Normal collagen formation for the normal function of bones, teeth and cartilage. Normal collagen formation for the normal function of skin. The protection of cells from oxidative stress. Normal functioning of the nervous system. Reduction of tiredness and fatigue. Increased iron absorption. All Solgar products meet our industry recognized \"Gold Standard\" for excellence. Made using naturally sourced ingredients and innovating since 1947, Solgar is your perfect supplement to good health - 98% of Solgar consumers recommend the brand