Fisetin
Solid evidence for senolytic. Not a miracle worker, but genuinely useful for the right person.
🏆
Verdict
7/10 Solid
🎓
Evidence
Grade B / 100+ Studies
Norans Kepals, Independent Researcher & Supplement Expert
March 1, 2026
The No-BS Summary
8 things. 60 seconds. Everything you need.
1
2
3
4
5
6
7
8
⚡
1
WHAT IT DOES
Senolytic from strawberries. Clears out zombie cells that cause aging.
🏆
2
DOES IT WORK?
Good pick. Senolytic flavonoid from strawberries that clears senescent cells in animal models; exciting longevity research with human trials underway at Mayo Clinic.
💊
3
HOW MUCH TO TAKE
100-500mg daily
💰
4
COST
Mid-range. $35-50/month. Standard for most people.
⏱️
5
FIRST 24 HOURS
Don't expect miracles on day one. It's building in your system.
📈
6
AFTER A FEW WEEKS
Give it 4-8 weeks for full effects. Patience pays.
🛡️
7
SAFETY
One heads-up: limited_human_data. Otherwise, you're good.
✨
8
HOW IT FEELS
Some people report feeling younger or more energetic after a few weeks. Others notice nothing.
2The Breakdown
Quick Answers
Dose-Response Curve
How effective is fisetin at different doses? Here's what the research shows.
Effectiveness %
0
25
50
75
100
MIN 250mg
SWEET SPOT 500mg
PLATEAU 1.5g
Dose (mg)
0-59%
Sub-therapeutic
<250mg
59-82%
Effective
250mg-500mg
~82%
Optimal
500mg
82%
Diminishing
>1.5g
Moderate confidenceBased on clinical data + estimates
Source: Edwards 2007 + Javadi 2017 allergy studyBottom line: Most research uses 500mg daily. Below 250mg, you're probably wasting money. Above 1.5g, you're not getting extra benefit.
Dosing Guide
When
As directed
How
100-500mg daily
Food
With or without food
Onset & Feel
WEEKS
Senolytic effects may take multiple cycles over weeks.
Some people report feeling "younger" or more energetic after a few weeks. Others notice nothing.
Cycle
As needed
How to Take It
Fisetin comes in several formats. Pick what fits your lifestyle.
Capsules/Tablets
Pre-measured doses, easy to take.
✓ Convenient✓ No taste✓ Portable✗ More expensive✗ May need multiple
Powder
Mix with water or a shake.
✓ Cheapest✓ Flexible dosing✗ Needs mixing✗ Taste varies
Softgels
Oil-based for fat-soluble nutrients.
✓ Better absorption for fats✓ No taste✗ Larger pills
Pick this:
Capsules for convenience, powder for value.
Skip this:
Check for unnecessary fillers and additives.
Delivery affects convenience and cost, not usually effectiveness.
Did you know?
Many studies and counting.
Heads Up
Generally safe at recommended doses. Talk to your doc if you have concerns. Check with your doc if: LIMITED_HUMAN_DATA.
3Deep Dive
The Science, Simplified
For those who want the full picture
Hybrid score: (6 × 0.76) + 1 = 6
Scientific Consensus
76/10
Trust Signals
Grade B
Evidence
50+
Studies
30
Human Trials
0
Meta-analyses
👍 Strong evidence. Most claims hold up under scrutiny.
Mechanism of Action
Mechanism under research.
Research Summary
Scientific consensus: 76/10. Hybrid score: (6 × 0.76) + 1 = 6
Consensus: 76/10Solid Evidence
Origins & Manufacturing
Where does fisetin come from? Let's get nerdy.
How It's Made
Manufacturing process varies by supplier.
What to Look For
✓ Third-party tested✓ GMP certified
Drug & Supplement Interactions
4For You
Is Fisetin right for YOU?
Get a personalized verdict based on your health profile.
Products with Fisetin
Supplements that contain this ingredient
Medical Disclaimer
This content is for informational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting any supplement regimen, especially if you have medical conditions or take medications. IngredientMD does not endorse any specific products.