Other ingredients
Microcrystalline Cellulose; Stearic Acid (C18:0); Croscarmellose Sodium; Stearate; Silica; Hydroxypropyl Methylcellulose (HPMC); Glycerin
Image: NIH Office of Dietary Supplements, Dietary Supplement Label Database — No separate image reuse license stated
Life Extension
Vitamin C and Bio-Quercetin Phytosome
Tablet or Pill
Serving size1 Vegetarian Tablet(s)
Servings per containerNot listed
Package250 Vegetarian Tablet(s)
Data retrievedJul 28, 2026
Supplement Facts
Serving size 1 Vegetarian Tablet(s)
Vitamin C1000 mg1111% DV
Bio-Quercetin Phytosome15 mgDV not established
Quercetin5 mgDV not established
Phosphatidylcholine ComplexNot listedDV not established
Label directions
Directions: Take one (1) tablet daily with food; or as recommended by a healthcare practitioner.
Label warnings
Read the entire label and follow the directions carefully prior to use. Warnings: Keep out of reach of children. Do not exceed recommended dose. Do not purchase if outer seal is broken or damaged. When using nutritional supplements please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating. To report a serious adverse event or obtain product information contact 1-866-280-2852.
Identity and label version
NIH label record328796
Entered into NIH DSLDJun 25, 2025
UPC / GTIN00737870222729
Manufacturer / distributor on labelQuality Supplements and Vitamins Inc.
Market statusOn market in the source data
“Entered into NIH DSLD” is the database entry date for this label record. It is not a manufacturer launch date or a label effective date.
NIH label history (1)
Current labelNIH record 328796Entered Jun 25, 2025
Serving size1 Vegetarian Tablet(s)
Formula versionb0a3eb8c
Ingredients on label4
NIH sourceOpen label ↗
Vitamin C1000 mg
Bio-Quercetin Phytosome15 mg
Quercetin5 mg
Phosphatidylcholine ComplexNot listed
Label warning: Read the entire label and follow the directions carefully prior to use. Warnings: Keep out of reach of children. Do not exceed recommended dose. Do not purchase if outer seal is broken or damaged. When using nutritional supplements please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating. To report a serious adverse event or obtain product information contact 1-866-280-2852.
Sources and traceability
- NIH Dietary Supplement Label DatabaseData retrieved Jul 28, 2026Open source ↗
More from Life Extension
Data comes from product labels or official public sources. It does not mean Safmira, NIH, or FDA approves, certifies, or recommends this product. Label amounts are not laboratory measurements.