The short answer · Endothelial function
Take pine bark extract & citrus bioflavonoids for endothelial function. This is the one to buy.
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NOW Foods, Pycnogenol® With Bioflavonoids, 60 Veg Capsules
4.7· 1,953 ratings· $0.68/serving
DoseRank score86
Pine Bark Extract 120 mg — inside the studied 100-200 mg window
Of 7,460 products scored for Endothelial function, NOW Foods, Pycnogenol® With Bioflavonoids, 60 Veg Capsules ranks #1 with a DoseRank score of 86. Pine Bark Extract leads the evidence here, backed by Citrus Bioflavonoids.
The form“Why Pine Bark Extract & Citrus Bioflavonoids?”Evidence Strong evidence
Pine Bark Extract leads the evidence here, backed by Citrus Bioflavonoids.
- Pine Bark ExtractThe pick
Strong evidence · 120 mg
Oligomeric proanthocyanidin-rich extract from maritime pine bark; antioxidant with studied support for circulation, endothelial function, and cognitive blood flow.
- Citrus BioflavonoidsThe pick
Moderate evidence · 600 mg
Polyphenolic compounds co-occurring with vitamin C in citrus fruit; often included to support vitamin C activity and antioxidant defense in connective tissue.
- Arginine Nitrate
Limited evidence · 1000 mg
Combination of L-arginine bonded to nitrate; supplies nitric oxide precursors via dual pathways, used in pre-workouts for vasodilation and pump.
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NOW Foods, Pycnogenol® With Bioflavonoids, 60 Veg Capsules ranks #1 for Endothelial function with a DoseRank score of 86. The score blends clinical strength, evidence, dose fit, trust signals and value across 7,460 products scored for this outcome.
Pine Bark Extract leads the evidence here, backed by Citrus Bioflavonoids.
2 of 2 dosed ingredients land in the studied range. Pine Bark Extract at 120 mg lands inside the studied 100-200 mg window. DoseRank scores this product's dose fit at 73 out of 100.
NOW Foods, Pycnogenol® With Bioflavonoids, 60 Veg Capsules works out at $0.68 per serving. $0.68 per serving — high price tier for this outcome. The cheapest ranked pick here is $0.07 per serving.
No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.
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