Respiratory Health
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Quercetin with Zinc & Copper
Quercetin with Zinc & Copper
Quercetin is one of the most well-known antioxidant bioflavonoids. A free radical scavenger, quercetin helps support healthy sinus, respiratory, cardiovascular, and immune system function.* This product includes zinc and copper for added immune support.*
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Quercetin
Quercetin
Quercetin is one of the most well-known antioxidant bioflavonoids. As a free radical scavenger, quercetin helps support healthy sinus, respiratory, and immune system function.*
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C Extra + Quercetin Bioflavonoids
C Extra + Quercetin Bioflavonoids
Our C Extra + Quercetin contains 500 mg of vitamin C and 250 mg of quercetin. Vitamin C is a powerful antioxidant which supports healthy bones, cartilage, teeth, and gums.* It helps protect cells against free radical damage and vitamin C deficiencies in the daily diet and supports healthy cell growth.* Quercetin is one of the most well-known antioxidant bioflavonoids.…A free radical scavenger, quercetin helps support healthy sinus, respiratory, and immune system function.* Easy-to-swallow capsules as compared to similar size tablets.
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N-Acetyl-L-Cysteine
N-Acetyl-L-Cysteine
N-Acetyl-L-Cysteine (NAC) is a highly stable form of cysteine and is a precursor in the body to the critical antioxidant glutathione. It provides antioxidant support and helps to promote healthy immune system function.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.
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Bioactive Quercetin EMIQ
Bioactive Quercetin EMIQ
EMIQ or Enzymatically Modified Isoquercitrin is prepared by using a natural enzyme process that attaches polysaccharides to convert quercetin, which has poor bioavailability, into a soluble form (Alpha-Glycosyl Isoquercitrin). EMIQ provides the benefits of quercetin with high absorption and superior bioavailability. According to pharmacokinetic data, the absorption…of EMIQ is up to 40 times greater (Cmax) and 15 times greater (AUC) than that of quercetin and reaches peak levels in the bloodstream in just 15 minutes.
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Quercetin LipoMicel Matrix
Quercetin LipoMicel Matrix
The unique antioxidants in quercetin support blood vessel health.† Our unique patent-pending technology creates a liquid micelle matrix that disperses the quercetin into tiny micro-droplets, resulting in a superior delivery system for enhanced absorption.
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N-Acetyl-L-Cysteine
N-Acetyl-L-Cysteine
NAC (N-Acetyl-L-Cysteine) is a highly stable form of cysteine that provides antioxidant support and is especially beneficial for active people, the elderly and those exposed to polluted environments.* Natural Factors amino acids are the highest quality pharmaceutical grade products available.