Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Alaska Blueberry (Vaccinium uliginosum or related Vaccinium species) is sometimes used to support cardiovascular health, including the management of high triglycerides. The justification for this use is primarily based on scientific evidence, though the evidence is preliminary and not robust. Blueberries, including Alaska Blueberry, are rich in polyphenols and anthocyanins, compounds with antioxidant and anti-inflammatory properties. Several small human studies and animal models have indicated that blueberry consumption may help lower blood triglyceride levels, possibly by improving lipid metabolism and reducing oxidative stress.

A 2013 randomized controlled trial published in the "Journal of Nutrition" found that daily blueberry supplementation for 8 weeks in adults with metabolic syndrome resulted in a modest reduction in triglycerides, though results were not uniformly statistically significant. Animal studies (for example, those using rats fed high-fat diets) have shown that blueberry extracts can attenuate elevations in triglycerides.

However, most of these studies have been conducted with generic blueberry species (particularly Vaccinium corymbosum or Vaccinium angustifolium) and not specifically with Alaska Blueberry. No large-scale, long-term clinical trials have confirmed a significant effect on triglyceride levels, and systematic reviews generally rate the evidence as weak or inconclusive. Therefore, while there is some scientific rationale and preliminary evidence, the support for using Alaska Blueberry to treat high triglycerides is limited.

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