A number of supplements, such as probiotics, spirulina, vitamin D, vitamin C, and vitamin E have been studied. However, the existing evidence is not strong enough to make any supplementation recommendations.[1]
Have any supplements been studied for allergic rhinitis?
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•Last Updated: May 16, 2025
Several supplements — including probiotics, spirulina, vitamin D, vitamin C, and vitamin E — have been studied for allergic rhinitis. However, the evidence is insufficient to recommend any specific supplementation regimen.