Doctor's Best Fisetin with Novusetin™ delivers 100mg of fisetin per capsule — a powerful bioflavonoid antioxidant found abundantly in strawberries, shown in preclinical research to support brain cell health, cognitive function, glutathione levels, and mitochondrial function under oxidative stress. Vegan, non-GMO, gluten free.
Why
Fisetin is a naturally occurring flavonol antioxidant found in highest concentrations in strawberries — and rarely anywhere else in meaningful amounts. It has attracted significant scientific interest for its potential to support healthy ageing at the cellular level, particularly in the brain. Preclinical research suggests fisetin may help maintain glutathione levels (the body’s master antioxidant) and mitochondrial function under oxidative stress, and has the potential to cross the blood-brain barrier to support neuronal function and cognitive health pathways. Doctor's Best uses Novusetin™ — a premium, naturally sourced fisetin extract from Rhus succedanea stem — standardised for consistent potency and purity. Vegan, non-GMO, gluten free. Doctor's Best has been formulating science-based supplements since 1990.
Key Benefits
- Supports antioxidant activity and protection against oxidative stress
- Supports brain cell health and cognitive function pathways
- May help maintain glutathione levels — the body’s master antioxidant
- Supports mitochondrial function under oxidative stress
- Potential to cross the blood-brain barrier to support neuronal function
- Flavonol antioxidant support for healthy ageing
- Novusetin™ — premium, naturally sourced fisetin extract
- Vegan, non-GMO, gluten free
Formula Highlights
-
Fisetin (as Novusetin™, from Rhus succedanea stem) — 100mg per capsule; premium naturally sourced flavonol antioxidant standardised for consistent potency
-
Vegetarian capsule — cellulose and modified cellulose; vegan suitable
Supplement Facts
Serving size: 1 veggie capsule | Servings per container: 30
| Ingredient |
Per Serving |
% DV |
| Fisetin (as Novusetin™) (from Rhus succedanea) (stem) |
100mg |
* |
*Daily Value not established.
Suggested Use
Take 1 capsule daily with food, or as recommended by your healthcare practitioner.
Other Ingredients
Cellulose, modified cellulose (vegetarian capsule). Vegan, non-GMO, gluten free.
About Doctor's Best
Doctor's Best was founded in 1990 by a physician with a commitment to science-based nutritional supplements. Every formulation is grounded in clinical research, using only premium, well-studied ingredients with transparent labelling — designed for those who want to know exactly what they’re taking and why.
Warnings
Store in a cool, dry place. Keep out of reach of children. Consult a healthcare professional before use if pregnant, nursing, or taking medications.
