Optimized Quercetin 250 mg

Other Combinations

Brand: Life Extension

CapsuleOff Market

Product label for Optimized Quercetin 250 mg — Click to view full label

Net Contents

60 Vegetarian Capsule(s)

Serving Size

1 Vegetarian Capsule(s)

Servings Per Container

Not specified

Supplement Form

Capsule

Bar Code (UPC/SKU)

7 37870 13096 3

Product Version

Not specified

Suggested Use

Read the entire label and follow the directions carefully prior to use.Directions: Take one (1) capsule once or twice daily; or as recommended by a healthcare practitioner.

Market Reference

$9.00 – $69.99· 16 listings

Life Extension 250 mg 60 Capsules
iHerb4.8(1600)
$16.50
Life Extension Bio-Quercetin - 30 Capsules
Life Extension4.8(1500)
$9.00Lowest
Life Extension Optimized Quercetin 250 mg 60 vegcaps
personalpower4.8(1600)
$22.00
Life Extension Bio-Quercetin
Walmart - Peak10 Health LLC4.8(1500)
$25.65
Life Extension Vitamin C and Bio-Quercetin Phytosome
Life Extension4.8(3100)
$22.50
Life Extension Fast-C and Bio-Quercetin Phytosome
Life Extension4.7(121)
$19.50
Optimized Quercetin - 60 Caps
hyperbaric-spa.com4.8(1600)
$26.14
Life Extension - Optimized Quercetin
Pure Prescriptions4.8(1600)
$22.00

Where to Buy Locally

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

GNC
4.0 (224)
Vitamin & supplements store
134-136 Fulton St, New York, NY 10038
Directions (212) 374-9473
The Vitamin Shoppe
4.4 (98)
Vitamin & supplements store
257 8th Ave, New York, NY 10011
Directions (212) 243-0086
GNC
4.4 (88)
Vitamin & supplements store
753 Broadway Spc 753, New York, NY 10003
Directions (212) 380-5999
Nootropic Nation, LLC
5.0 (1)
Vitamin & supplements store
176 Mulberry St APT 5, New York, NY 10013
Directions (855) 313-2943
Pure Essentials Supplements
5.0 (1)
Vitamin & supplements store
121 Varick St, New York, NY 10013
Directions (212) 758-3200
Willner Chemists
4.7 (146)
Vitamin & supplements store
100 Park Ave, New York, NY 10017
Directions (800) 633-1106
GNC
4.7 (197)
Vitamin & supplements store
2 Pennsylvania Plaza Ste 29B, New York, NY 10121
Directions (212) 239-1251
The Vitamin Shoppe
4.3 (183)
Vitamin & supplements store
12 4th Ave, Brooklyn, NY 11217
Directions (718) 858-8314

Research & Studies

Potential synergistic supplementation of NAD+ promoting compounds as a strategy for increasing healthspan
A Sharma, S Chabloz, RA Lapides, E Roider… - Nutrients, 2023 - mdpi.com
… supplementation at 250 mg was shown to be well tolerated, efficacious when increasing the NAD+/NADH ratio, and improved muscle function in aged but otherwise healthy … , quercetin …
202374 citations
Dose–response to 3 months of quercetin-containing supplements on metabolite and quercetin conjugate profile in adults
L Cialdella-Kam, DC Nieman, W Sha… - British journal of …, 2013 - cambridge.org
… mg/d of quercetin, 125 mg/d of vitamin C and 5 mg/d of niacin; Q-1000 ¼ 1000 mg/d of quercetin, 250 mg/d of vitamin C and 10 mg… plasma quercetin concentrations in healthy humans. J …
201374 citations
Flavonoid-rich foods (FRF): A promising nutraceutical approach against lifespan-shortening diseases
AHW Janabi, AA Kamboh, M Saeed… - … of basic medical …, 2020 - pmc.ncbi.nlm.nih.gov
… By using healthy ileostomy volunteers in an experiment, it is … of quercetin glucosides from intestinal epithelial cells (46). … ﬂavonol quercetin, and isoflavones are popular supplements …
2020187 citations
Impact of polyphenolic-food on longevity: An elixir of life. An overview
R Meccariello, S D'Angelo - Antioxidants, 2021 - mdpi.com
… Polyphenol compounds such as resveratrol, quercetin, … health products and polyphenols, in addition to their widespread availability and accessibility through nutritional supplements …
2021125 citations
Dietary supplements and natural products: an update on their clinical effectiveness and molecular mechanisms of action during accelerated biological aging
Y Chen, S Hamidu, X Yang, Y Yan, Q Wang, L Li… - Frontiers in …, 2022 - frontiersin.org
… supplements can complement modern medicines, which do not materially slow down aging processes to extend an individual’s lifetime and promote healthy … products, quercetin can …
202268 citations
Unlocking the code of human longevity: a comprehensive review of anti-aging management based on dietary phenolics
J Zhang, CH Tang - Food Science and Human Wellness, 2025 - sciopen.com
… outcomes of phenolic diets for life extension using randomized, … nuts was associated with longer healthy life spans in older adults… quercetin, with an in vitro cellular limit of 100 μM and an …
2025

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2020-08-23. DSLD Label ID: 231784. 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.