Evidence supporting the use of: Polyphenols (various)
For the body system: Capillaries
Synopsis
Source of validity: Scientific
Rating (out of 5): 3
Polyphenols, a diverse group of naturally occurring compounds found in plants (such as flavonoids, phenolic acids, and stilbenes), have received considerable scientific attention for their potential vascular benefits, including capillary protection and support. Research indicates that polyphenols exhibit antioxidant, anti-inflammatory, and vasoprotective properties, which may contribute to maintaining capillary integrity and function. Flavonoids, a major subclass of polyphenols (e.g., diosmin, hesperidin, quercetin, and rutin), have been specifically studied for their ability to strengthen capillary walls, reduce capillary permeability, and improve microcirculation. Clinical trials, particularly with flavonoid-rich extracts, suggest benefits in reducing symptoms of chronic venous insufficiency and capillary fragility, such as bruising and edema. For example, a double-blind trial published in the International Angiology journal reported improved capillary resistance in subjects using specific citrus bioflavonoids. However, while laboratory and some clinical data support these effects, evidence is not uniform across all types of polyphenols, and much of the positive data is associated with isolated or concentrated flavonoids rather than the entire class of polyphenols. Thus, while there is scientific validation for the use of certain polyphenols in supporting capillary health, the strength of evidence varies by compound, preparation, and clinical context.
Other ingredients that support Capillaries
alpha-glycosyl isoquercitrinanthocyanins
apple
astragalus
bilberry
black currant
blueberry
butcher's broom
Chinese salvia root
chokeberry
citrus bioflavonoids
fish oil
flavonols
garlic bulb
ginkgo biloba
gotu kola
grape
onion
hawthorn
hesperidin
horse chestnut
Japanese sophora
l-arginine
nattokinase
orange
phenolic acids
pine bark
quercetin
rutin
vitamin B
vitamin C
vitamin E
vitamin K
water
capsicum
lingzhi
yarrow
yarrow
prickly ash
sodium salt
terpene lactones
polyphenols
purslane
shepherd's purse
herbal blend (proprietary)
cayenne pepper
ashitaba
Asiaticoside
Aronia melanocarpa
Aescin
anthocyanidins
anthocyanosides
Apocynin
Astragalin
Baikal Skullcap
Baicalein
Benfotiamine
berry
Bioflavonoids
Coumarin
Centella triterpenes
Cyanidin
Citrus
Centella asiatica
Coca
Capers
cypress
Cranesbill
Collinsonia
Diosmin
Danshen
Delphinidin
Dextran
Diosmetin
epicatechin
Erigeron
Eicosapentaenoic Acid
Escin
Flavonoids
Flavonones
Periwinkle
Other body systems supported by polyphenols (various)
ArteriesBlood
Brain
Capillaries
Circulatory System
Digestive System
Eyes
Female Reproductive System
Gall Bladder
Gastrointestinal Tract
Glandular System
Gums
Heart
Hepatic System
Immune System
Intestinal System
Joints
Kidneys
Large Intestines (Colon)
Liver
Lungs
Lymphatics
Male Reproductive System
Mitochondria
Mucus Membranes
Nerves
Ovaries
Prostate
Reproductive System
Respiratory System
Skeletal System (Bones)
Skin
Small Intestines
Stomach
Teeth
Testes
Thymus
Urinary System
Veins