IsoQuercetin

Suggested Use

Recommendations: Adults; as a dietary supplement; take two capsules daily. Can be taken with or without food; anytime of day.

• 

  IsoQuercetin by Tomorrow's Nutrition Pro For Cardiovascular and Endothelial Health

  Cincinnati Health Institute

  $70.00
• 

  IsoQuercetin (US Enzymes)

  Professional Supplement Center

  $70.99
• 

  Isoquercetin

  TargetMol Chemicals

  $40.00
• 

  SuperSmart Alpha Glycosyl IsoQuercitrin

  SuperSmart USA4.1(10)

  $29.00Lowest

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• Promix Nutrition

  4.8 (362)

  Vitamin & supplements store

  182 Mulberry St # Store, New York, NY 10012

  Directions(352) 221-9320

• The Vitamin Shoppe

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  Vitamin & supplements store

  32 Court St, Brooklyn, NY 11201

  Directions(718) 596-0466

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  261 E 10th St, New York, NY 10009

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• Stay Fit Nutrition

  5.0 (66)

  Coffee shop

  132 Wilson Ave, Brooklyn, NY 11237

  Directions(347) 228-9537

• GNC

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  Vitamin & supplements store

  134-136 Fulton St, New York, NY 10038

  Directions(212) 374-9473

• Health Buy | Best Online Health and Beauty Store in USA

  4.7 (3)

  Health and beauty shop

  Hanover St, New York, NY 10005

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• Pure Essentials Supplements

  5.0 (1)

  Vitamin & supplements store

  121 Varick St, New York, NY 10013

  Directions(212) 758-3200

• GNC

  4.4 (88)

  Vitamin & supplements store

  753 Broadway Spc 753, New York, NY 10003

  Directions(212) 380-5999

• Safety evaluation of a soluble granular food containing quercetin glycosides for healthy adults: A randomized controlled trial

  M Iida, M Onozato, H Sasaki, I Yamasaki, T Tanaka… - NFS Journal, 2025 - Elsevier

  Background Quercetin glycosides (QG), enzymatically modified isoquercitrin derivatives, are widely used in functional foods for their antioxidant, antihypertensive, and lipid metabolism …

  2025

• Therapeutic potential and clinical effectiveness of quercetin: a dietary supplement

  V Devi, G Deswal, R Dass, B Chopra… - … in Food Nutrition & …, 2024 - benthamdirect.com

  … Quercetin is a bioflavonoid that has been shown to improve human health in recent years [8]. … The neuroprotective effects of isoquercetin on PC12 cells have mechanisms via decreased …

  202410 citations

• The anti-cancer effect of quercetin: molecular implications in cancer metabolism

  M Reyes-Farias, C Carrasco-Pozo - International journal of molecular …, 2019 - mdpi.com

  … Isoquercitrin’s bioavailability is only 5% of that observed with QUE, and in the gut, it is rapidly metabolized to QUE by β-glucosidases [102]. This suggests that the systemic and local (in …

  2019796 citations

• Advanced Support

  OS House - unidisglobal.com

  … No health claims have been authorised in the European Union for isoquercetin, quercetin, … There are a number of non-authorised health claims for quercetin and green tea extract/…

• Consideration for flavonoid-containing dietary supplements to tackle deficiency and optimize health

  J Solnier, C Chang, J Pizzorno - International journal of molecular …, 2023 - mdpi.com

  … important for human health. Although research shows that dietary supplements can be a … current scientific basis for using flavonoid supplementation to improve health as well as the …

  202349 citations

• Mature okra: a nutrient‐dense crop with untapped applications in health, food and industry

  CY Tan, SR Shafie, NS Ramli… - Journal of the Science of …, 2026 - Wiley Online Library

  … Although protein content remains relatively stable, the significant increase in specialised secondary metabolites, such as isoquercitrin and quercetin, enhances the fruit's efficacy for lipid…

  2026

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2025-08-22. DSLD Label ID: 336300. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.