MikroScore
Transparent product review

Product Review

Doctor's Best Quercetin Bromelain

Doctor's Best · Capsule · 500 mg

Price/day

€0.28

Dose

500 mg

Servings/pack

90

Pack price

€24.95

Transparency Index

5.9/10

Acceptable A solid entry-level quercetin at a fair cost. Human evidence for quercetin remains limited — set expectations accordingly.

Rating breakdown

Evidence for ingredient 4.0/10

Quercetin shows senolytic and antioxidant effects in lab studies. Human trials are limited and often small.

Value for money 8.0/10

€0.28 per day for 500 mg quercetin with bromelain is good value compared to the market.

Product quality 6.0/10

Established US brand. No known quality issues. Bromelain addition theoretically improves bioavailability.

Label honesty 7.0/10

No inflated claims. Labeling is clear. References available on the website.

Third-party testing 4.0/10

No independent certification. Lab results are not always transparently shared on request.

Product Description

Doctor’s Best is a US supplement brand with over 30 years on the market. This product combines 500 mg quercetin with 250 mg bromelain (a pineapple-derived enzyme) to potentially improve quercetin’s poor water solubility.

What We Like

  • Bromelain combo: Some studies suggest it helps absorption of poorly water-soluble quercetin
  • Price: Competitive in the market, easily available on Amazon.de
  • Long track record: No known recalls or quality issues

What We’re Missing

  • No independent certification
  • Limited human evidence for senolytic effects: Most data comes from animal or cell culture studies
  • Standard quercetin form: Poor bioavailability — quercetin phytosomes would be better but cost more

Ingredient dossier

Quercetin is a plant flavonoid with antioxidant and senolytic potential. Human senolytic evidence is limited to tiny pilot studies using Dasatinib+Quercetin combined — not quercetin alone.

Read full dossier: Quercetin →