Evidence supporting the use of: Fish oil
For the body system: Capillaries

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Fish oil, rich in omega-3 fatty acids (EPA and DHA), has scientific support for its role in promoting vascular health, which includes the capillaries. Research indicates that omega-3s can reduce inflammation, improve endothelial function, and enhance blood flow. These actions may help maintain the integrity and flexibility of capillaries and small blood vessels. Clinical trials and epidemiological studies have demonstrated that fish oil supplementation can lower triglyceride levels and may reduce blood pressure, both of which indirectly support capillary health by reducing stress on the microvasculature.

Some studies suggest that omega-3s help decrease the risk of microvascular complications in conditions like diabetes, likely through anti-inflammatory and vasodilatory effects. However, direct studies specifically targeting "capillary support" are limited. Most evidence relates to broader vascular health, with the assumption that benefits to the endothelium and larger vessels extend to the capillaries. The American Heart Association recognizes the cardiovascular benefits of fish oil, though recommendations focus more on heart and arterial health than on capillaries specifically.

In summary, while there is scientific validation for fish oil's positive impact on vascular and microvascular health, the evidence is moderate (rated 3/5) when considering direct effects on capillaries alone. Most benefits are inferred from general improvements in vascular function and reductions in inflammation.

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