Synopsis

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

Alpha lipoic acid (ALA) is an antioxidant that has been explored for its potential benefits in improving circulation, especially in conditions linked to impaired blood flow such as diabetic peripheral neuropathy and chronic venous insufficiency. Scientific evidence primarily comes from clinical trials and mechanistic studies. ALA’s main proposed mechanism is its antioxidant activity, which helps reduce oxidative stress in vascular tissues. This, in turn, may improve endothelial function and blood vessel dilation. Several randomized controlled trials have shown that ALA supplementation can reduce symptoms of diabetic neuropathy, such as pain and numbness, which are often consequences of poor microcirculation. Additionally, some studies suggest ALA may improve blood flow and reduce markers of inflammation in people with metabolic syndrome or diabetes.

However, while results are promising, the quality and consistency of evidence vary. Meta-analyses indicate moderate efficacy in improving neuropathic symptoms, but direct improvements in objective measures of blood flow or circulation are less consistently demonstrated. The evidence is stronger for ALA’s role in neuropathy symptom relief than for direct circulatory enhancement. Overall, ALA is scientifically validated as supportive therapy in conditions where poor circulation plays a role, particularly diabetic neuropathy, but more research is needed to establish its efficacy for general circulatory improvement.

More about alpha lipoic acid
More about Circulation (poor)

Other ingredients used for Circulation (poor)

Other health conditions supported by alpha lipoic acid

Products containing alpha lipoic acid

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