Quercetin vs Resveratrol

Immune vs Hormone · evidence-backed comparison

Quick take
  • Quercetin has the stronger evidence base (moderate (some rcts)).
  • Quercetin has the broader effect profile across the 9 effect categories.
  • Quercetin is cheaper per serving ($0.35 vs $0.50).

Side-by-side traits

TraitQuercetinResveratrol
Category
ImmuneHormone
Active compound
QuercetinTrans-resveratrol
Form available
Capsule, TabletCapsule
Source
plantplant
Typical dose
500–1000 mg daily150–500 mg daily
Dose range
500–1000 mg150–500 mg
Loading protocol
Best taken with
vitamin C (potentiates)fat-containing meal
Best time of day
anymorning
Bioavailability
How efficiently the body absorbs and utilizes the compound.
Low (2/5)Low (2/5)
Onset time
Cumulative: 2–6 weeksCumulative: 4–12 weeks
Half-life
~17 hours~9 hours
Evidence level
Quality and quantity of human research.
Moderate (some RCTs)Limited (small studies)
Overall effect
Subjective effect magnitude.
Low (2/5)Low (2/5)
Muscle / strength
Very Low (1/5)Very Low (1/5)
Physical energy
Low (2/5)Low (2/5)
Focus / cognition
Very Low (1/5)Low (2/5)
Mood / stress
Very Low (1/5)Low (2/5)
Sleep quality
Very Low (1/5)Very Low (1/5)
Immunity
High (4/5)Low (2/5)
Recovery
Post-exercise recovery support.
Moderate (3/5)Low (2/5)
Longevity / healthspan
High (4/5)High (4/5)
Safety rating
5 = exceptionally well-tolerated; 1 = significant risk profile.
High (4/5)High (4/5)
Price per serving
Approximate USD per typical daily dose.
$0.35$0.50
Vegan friendly
YesYes
Gluten free
YesYes
3rd-party tested
YesYes

About Quercetin

Polyphenol with antihistamine and senolytic properties. Common in protocols for allergies and viral infections; pair with vitamin C.

Active compound: Quercetin
Forms: Capsule, Tablet
Onset: Cumulative: 2–6 weeks
antihistaminesenolyticimmunepolyphenol

About Resveratrol

SIRT1 activator marketed for longevity. Human evidence is mixed; popular paired with NMN in anti-aging stacks.

Active compound: Trans-resveratrol
Forms: Capsule
Onset: Cumulative: 4–12 weeks
SIRT1longevitypolyphenolNAD+

Quercetin safety

Common side effects:

  • Headache
  • Tingling extremities (high doses)

Avoid if:

  • Kidney disease

Drug interactions:

  • Cyclosporine
  • Quinolone antibiotics
  • Anticoagulants

Resveratrol safety

Common side effects:

  • GI upset
  • Diarrhea (high doses)

Avoid if:

  • Hormone-sensitive cancers (phytoestrogen)
  • Surgery (2 weeks before)

Drug interactions:

  • CYP3A4 substrates
  • Anticoagulants

Common uses

  • Seasonal allergies
  • Immune support
  • Senescent cell clearance

Stacks well with: Vitamin C, Zinc

Common uses

  • Anti-aging
  • Cardiovascular
  • Polyphenol coverage

Stacks well with: NMN

Medical disclaimer

SupplementDuel is for educational purposes only and is not medical advice. Consult a physician before starting, stopping, or combining supplements — especially if you are pregnant, breastfeeding, take prescription medication, or have a chronic condition.