Fast Delivery & AbsorptionDietary SupplementNon-GMO LE Certified Vitamin C is a potent antioxidant with profound whole-body health benefits. This essential nutrient supports immune health, heart health, iron uptake, collagen formation and more. Plus, research indicates that people with higher vitamin C levels are more likely to live longer, healthier lives. Vitamin C is known for offering immune system support, but it also provides whole-body health benefits. Fast-C® and Bio-Quercetin Phytosome Benefits Supports immune system healthHelps inhibit oxidative stress & inflammatory factors to support immune health Uses a bio-quercetin that is up to 50 times more absorbable than traditional quercetin Encourages absorption & bioavailability with black pepper extract Protects sensitive stomachs with calcium-magnesium blend Vitamin C supports your immune system as well as whole-body health. In fact, research indicates that people with higher vitamin C levels are more likely to live longer, healthier lives. Ultra-absorbable quercetin  Quercetin has a long tradition of relieving the effects of seasonal immune challenges, and it has been shown in clinical trials to encourage a healthy immune response in physically fit adults. Quercetin helps inhibit oxidative stress and inflammatory factors to support immune health. Quercetin also promotes both cardiovascular and endothelial health and helps maintain already-healthy blood pressure levels. Plus, quercetin complements vitamin C’s whole-body health benefits. Our innovative bio-quercetin ingredient in this supplement is encased in a phytosome, a tiny phospholipid sphere that makes it up to 50 times more bioavailable than traditional quercetin. Alkalizing calcium and magnesium  Our Fast C® formula also contains calcium and magnesium to neutralize acid. This makes Fast C® the ideal vitamin C supplement for people with acid-sensitive stomachs. Bioperine® black pepper extract  Piperine is a substance found in black pepper that augments the absorption and bioavailability of nutrients like vitamin C.13 It helps you get the most out of your Fast-C® and Bio-Quercetin Phytosome formula.