SKU: QUA

Quercetin Ascorbate

Vitamin C with Bioavailable Water-Soluble Quercetin

Synergistic combination of quercetin and vitamin C to help the body respond to everyday environmental triggers or immune challenges.* Supports healthy responses to seasonal upper respiratory challenges.*

Unflavored, easy-to-mix powder. Provides 1,000 mg of vitamin C (as ascorbic acid) and 240 mg of water-soluble quercetin (as QuerceSOL™) per scoop.

• Supports healthy immune system balance and normal inflammatory responses*
• Promotes antioxidant status*
• May help individuals affected by common environmental triggers*
• Supports healthy histamine metabolism*
• May support those whose immune systems are impacted by seasonal changes*
• May support respiratory tract health*

Recommended Use: 1.3 grams (approx. one scoop) per day with a meal or as directed by your health-care practitioner.

Quercetin is a plant compound with many health benefits and is found in foods like red onions, apples, olive oil, and dark berries.*

The quercetin in Quercetin Ascorbates is 4X more absorbable than regular quercetin powders. It is delivered as QuerceSOL™, which uses a unique delivery technology to help the body better absorb quercetin in powder form. This means the quercetin in Quercetin Ascorbate gives you more of its benefits in just one scoop.*

Quercetin Ascorbate is a powder that promotes antioxidant status from Designs for Health.* It combines two powerful ingredients — vitamin C and quercetin — that work together to support immune health, antioxidant status, and healthy histamine metabolism.* Quercetin is delivered as QuerceSOL™ — a specially formulated version of quercetin that dissolves easily in water and is about 4 times more absorbable than regular quercetin powder.*

Quercetin Ascorbate by Designs for Health is specifically formulated to support immune system balance and help the body respond to seasonal changes and everyday environmental triggers.* Quercetin Ascorbate is an easy-to-mix, unflavored powder that combines two powerful ingredients: Vitamin C and Quercetin.* Each serving provides 1,000 mg of Vitamin C and 240 mg of Quercetin delivered as QuerceSOL™ — a special form that is about 4 times more absorbable than standard quercetin powders.* Vitamin C and Quercetin work as a team.* Together, they support antioxidant status, promote healthy inflammatory responses, and help the body stay balanced during seasonal changes.*

Key benefits include support for a healthy immune system balance and a normal inflammatory response, support for healthy histamine metabolism, promotes antioxidant status, support for respiratory tract health during seasonal changes, and may help those affected by common environmental triggers.*

Take approximately one scoop (1.3 g) per day with a meal, or as directed by your health-care practitioner. If you experience any stomach discomfort, try taking a half scoop at a time. The powder can be easily mixed into water or any beverage of your choice. Please consult with a qualified health-care practitioner before starting any new supplement, especially if you have a medical condition, are pregnant, or are taking medications.

Quercetin Ascorbate combines two powerful ingredients: Vitamin C and Quercetin.* Each serving provides 1,000 mg of Vitamin C and 240 mg of Quercetin delivered as QuerceSOL™ - a special form that is about 4 times more absorbable than standard quercetin powders - to support a balanced immune and inflammatory response and the body's natural ability to handle occasional immune challenges, particularly in the respiratory tract.* This means the quercetin in Quercetin Ascorbate gives you more of its benefits in just one scoop.*

With consistent daily use, Quercetin Ascorbate by Designs for Health may support several areas of your health including immune system balance, seasonal and environmental comfort, respiratory tract health, healthy histamine response, and antioxidant status.* Results depend on bioavailability advantage, consistency of use, your individual health factors, GI sensitivity, and seasonal and environmental exposure.*

Quercetin Ascorbate by Designs for Health is designed to be taken daily as part of your regular routine, when taken as directed.* The recommended serving is approximately one scoop (1.3 g) per day, taken with a meal, or as directed by your health-care practitioner.* There are no artificial ingredients, fillers, or unnecessary additives, making it a clean and straightforward choice for daily immune support.* Some people may occasionally experience mild stomach discomfort when taking vitamin C.* If that happens, Designs for Health recommends simply taking a half scoop at a time to improve comfort, rather than stopping use altogether.* Because individual needs can vary based on body weight, health history, and any medications or other supplements being taken, your health-care practitioner is best suited to determine the right approach for you personally.*

Quercetin Ascorbate is a clean, simple formula that features QuerceSOL™, a specially developed form of quercetin that uses a proprietary delivery technology to greatly improve how well quercetin dissolves and is absorbed in the body.* The quercetin in Quercetin Ascorbate is about 4 times more absorbable than standard quercetin powders — meaning you get more of its benefits from just one scoop.* On its own, vitamin C is a well-known immune-supporting antioxidant.* But clinical data suggest that vitamin C and quercetin work better together than either one does alone.* Vitamin C may help convert quercetin into its active form in the body, making the combination more effective overall.* With 1,000 mg of Vitamin C and 240 mg of highly absorbable Quercetin in every serving, Quercetin Ascorbate delivers both ingredients in one convenient, easy-to-mix powder — no need to take them separately or guess at the right combination.*

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* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

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The Designs for Health Spotlight™ functional wellness tests are not diagnostic and are not eligible for coverage under Medicare, Medicaid, or medical insurance. DFH Spotlight testing must be ordered or authorized by a qualified health-care provider registered with DFH. Please reach out directly to your practitioner to express your interest in any of the Spotlight tests. Spotlight test kits are not available for purchase or shipping in New York or the U.S. territories.

††U.S.A. Functional Medicine MDs, DOs, NDs, DCs, and Nutrition Professionals surveyed in 2025 for Designs for Health.

¹Sawada D, Kawai T, Nishida K, Kuwano Y, Fujiwara S, Rokutan K. Daily intake of Lactobacillus gasseri CP2305 improves mental, physical, and sleep quality among Japanese medical students enrolled in a cadaver dissection course. J Funct Foods. 2017;31:188-197. doi:10.1016/j.jff.2017.01.042.

²Keystone commensal strains based on the HACK index. 8x comparison based on five keystone strains (up to 24% combined abundance) vs. single-strain Akkermansia  products (~3%). Percentages reflect typical abundance in healthy adult microbiomes per published research. Individual colonization varies.