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.¹

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.^2,3 Quercetin helps inhibit oxidative stress and inflammatory factors to support immune health.^4,5 Quercetin also promotes both cardiovascular and endothelial health and helps maintain already-healthy blood pressure levels.^6-11 Plus, quercetin complements vitamin C’s whole-body health benefits.

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.