Ginseng

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Ginseng boosts attention and memory via the gut

By Nikki Hancocks

An American ginseng supplement can improve acute working memory and attention while chronic supplementation can improve cognition and mental fatigue, thanks largely to changes in the gut microbiome.

Rhodiola rosea is one of nine well-researched adaptogens. Image © iStock / Maasik

Confusion abounds for adaptogens, says expert

By Stephen Daniells

Industry and consumer interest in adaptogens is on the rise, but the list of actual adaptogens may be a lot smaller than many think, says a leading expert.

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