Net Contents
30 Veggie Cap(s)
Serving Size
1 Veggie Capsule(s)
Servings Per Container
30
Supplement Form
Capsule
Bar Code (UPC/SKU)
7 53950 00227 2
Product Version
YDRB227-3
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
Label states: Vegan, Vegetarian, Non-GMO, Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Soy
- Gluten
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Veggie Capsule(s) · 1 per day
| Ingredient | Amount Per Serving | |
|---|---|---|
| Fisetin(Rhus succedanea) | 100 mg | — |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Suggested adult use: Take 1 capsule daily, with food, or as recommended by a nutritionally informed physician.
Storage
Storage
Store in a cool dry place.
Formulation
Formula re: Contains
Doctor's Best Fisetin with Novusetin contains a naturally sourced flavonol that displays positive effects on brain cells and cognitive function pathways in preclinical research. Fisetin is a bioflavonoid antioxidant that can help maintain glutathione levels and mitochondrial function in the presence of oxidative stress. Other than strawberries, fisetin is scarce in fruits and vegetables compared to other flavonoids, making Doctor's Best Fisetin a most reliable source of this powerful antioxidant and potential nootropic.
Formulation re: Other
It has the potential to cross the blood brain barrier, which may help maintain neuronal function. Flavonol antioxidant support for healthy aging.
Formulation re: Other
Helps support antioxidant activity, cognitive function and memory
Formulation re: Vegetarian/Vegan
Vegan
Formulation re: Does NOT Contain
Non-GMO/Gluten free/Soy free/Vegan
Formulation re: Vegetarian/Vegan
Non-GMO/Gluten free/Soy free/Vegan
FDA Statements
FDA Disclaimer Statement
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.
FDA Statement of Identity
Dietary Supplement
Other Label Statements
Brand IP Statement(s) re: (c), (TM), (SM)
Science-Based Nutrition
Brand IP Statement(s) re: (c), (TM), (SM)
Novusetin is a trademark of Bioriginal Food & Science Corporation.
Manufacturer & Distributor
Distributor
Doctor's Best, Inc.
Tustin, California, 92780, USA
(800) 777-2474
Market Reference
Doctor's Best Fisetin 100 mg 30 Veggie Caps
Vitacost.com4.7(820)$22.993 x Fisetin with Novusetin, 100mg 30 vegetable capsules - Doctor's Best
Naturitas4.7(789)$103.32Swanson Fisetin Novusetin 100 mg 30 Veg Caps
iHerb4.6(275)$22.49Lowest
Where to Buy Locally
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Showing representative supplement & health retailers — search above for stores in your area.
ITL Health
5.0 (37)Vitamin & Supplements Shop
50 Broadway, London SW1H 0BL
Prodentim
5.0 (1)Vitamin & Supplements Shop
72 Regent St., London W1B 4EN
Nutriburst
4.6 (30)Manufacturer
8 Waterloo Pl, London SW1Y 4BN
Protiv Nutrition
5.0 (1)Vitamin & Supplements Shop
3rd Floor, 207 Regent St., London W1B 3HH
Holland & Barrett - Maddox Street
4.3 (52)Vitamin & Supplements Shop
6-8 Maddox St, London W1S 1NR
RightNutri
4.9 (78)Vitamin & Supplements Shop
26 Queenstown Rd, London SW8 3RX
Novomins
4.9 (480)E-commerce service
Suite 1000, 405 King's Rd, London SW10 0BB
British Supplements
3.4 (274)Vitamin & Supplements Shop
34, New House, 67-68 Hatton Garden, London EC1N 8JY
Research & Studies
Fisetin is a senotherapeutic that extends health and lifespan
MJ Yousefzadeh, YI Zhu, SJ McGowan, L Angelini… - …, 2018 - thelancet.com
… Importantly, in our study fisetin supplementation was initiated in mice >20 months old. This increases the translational potential of our study since senotherapeutic interventions are most …
20181,176 citationsPreventing and treating neurological disorders with the flavonol fisetin
P Maher - Brain Plasticity, 2020 - journals.sagepub.com
… due to multiple factors including a lack of patent protection [96], alternative approaches to financing need to be tried to determine if fisetin could be useful to treat these intractable health …
2020104 citationsBeneficial Effects of Fisetin, a Senotherapeutic Compound, in Women's Reproductive Health and Diseases: Evidence from In Vitro to Clinical Studies
S El Sayed, D Saiyed, VI Macri, A Asamoah-Mensah… - Nutrients, 2026 - mdpi.com
… Clinical trials evaluating fisetin in reproductive health and related diseases remain limited, … In this study, participants receive fisetin as a nutritional supplement with a structured exercise …
20264 citationsMolecular and therapeutic effects of fisetin flavonoid in diseases
EN Sarı, Y Soysal - Journal of Basic and Clinical Health Sciences, 2020 - dergipark.org.tr
… and kidney tissues were improved with the fisetin supplementation. Also, the activities of … Studies show that supplementation of fisetin can mitigate the risk of obesity development by …
202023 citationsFisetin from Dietary Supplement to a Drug Candidate: An Assessment of Potential
MA Mirza, S Padhi, S Mohapatra… - Current …, 2025 - benthamdirect.com
… Fisetin is prevalent in the human diet and has a wide range of benefits concerning human health… , a large number of Fisetin-based dietary supplements are consumed around the world. …
20259 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2024-06-20. DSLD Label ID: 302658. 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.
