Other ingredients
Microcrystalline Cellulose; Hydroxypropyl Cellulose (HPC); Stearic Acid; Croscarmellose Sodium; Magnesium Stearate (Mg Stearate); Silicon Dioxide (SiO2)
Image: NIH Office of Dietary Supplements, Dietary Supplement Label Database — No separate image reuse license stated
Mason Natural
Quercetin Complex 625 mg
Tablet or Pill
Serving size1 Tablet(s)
Servings per containerNot listed
Package60 Tablet(s)
Data retrievedJul 28, 2026
Supplement Facts
Serving size 1 Tablet(s)
Calcium25 mg2% DV
Quercetin Complex625 mgDV not established
Vitamin C50 mgDV not established
Quercetin Dihydrate500 mgDV not established
Citrus BioflavonoidNot listedDV not established
Apple PectinNot listedDV not established
Label directions
1 per day Directions: Adults - Take one tablet daily; preferably with food; as a dietary supplement.
Label warnings
Caution: If you are pregnant nursing taking any medications or have any medical condition consult your physician before use. Discontinue use and consult your physician if any adverse reactions occur. Tamper-evident seal: Do not use product if seal appears tampered with. Keep out of reach of children.
Identity and label version
NIH label record336423
Entered into NIH DSLDAug 22, 2025
UPC / GTIN00311845184757
Manufacturer / distributor on labelMason 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 336423Entered Aug 22, 2025
Calcium25 mg
Quercetin Complex625 mg
Vitamin C50 mg
Quercetin Dihydrate500 mg
Citrus BioflavonoidNot listed
Apple PectinNot listed
Label warning: Caution: If you are pregnant nursing taking any medications or have any medical condition consult your physician before use. Discontinue use and consult your physician if any adverse reactions occur. Tamper-evident seal: Do not use product if seal appears tampered with. Keep out of reach of children.
Sources and traceability
- NIH Dietary Supplement Label DatabaseData retrieved Jul 28, 2026Open source ↗
More from Mason Natural
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.