Compare adaptogen supplements on the amount of each herb per daily dose, the type of extract and the cost per day. "Adaptogen" is a marketing term rather than a recognised scientific or legal category, so we explain what it means and what the evidence does and doesn't show.
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What are adaptogens?
Adaptogens are plants marketed as helping the body cope with stress. The term was described by Soviet scientists in the middle of the 20th century, and McGill University's Office for Science and Society describes many adaptogens as repackaged herbal remedies from traditional medicine. Ashwagandha, rhodiola, ginseng and maca are often sold under the label.
There's no legal definition of an adaptogen in the UK, and no authorised health claim for any of these herbs: health claims for plant substances were put on hold by the European Commission. In this collection, the products are ashwagandha gummies, a branded ashwagandha root extract (KSM-66) and a herbal energy blend.
Do adaptogens work?
The evidence in people is limited. McGill's review notes that the relatively few studies done in humans tend to be disappointing, often lacking randomisation or a clear dose, and that most evidence comes from animal studies.
"Where evidence is limited or inconclusive, we should say so openly," says Andy Arshad, who runs SupplementHQ. Compare the amount of each herb per daily dose, not just the word "adaptogen" on the label. Find more in hormone and vitality support.
Are adaptogens safe?
Not for everyone. The NHS says you should not take herbal medicines if you are pregnant or breastfeeding, have kidney or liver problems, or take certain medicines. Ashwagandha is also under UK safety review, and the FSA says there are no safe levels established for ashwagandha in food supplements in the UK.
Herbal energy blends may contain caffeine from guarana or other sources, so check the label. If you take medication or have a medical condition, speak to your GP or pharmacist first.
We sell the products on this page. That's our commercial interest, and it's why we show the evidence alongside them. This page is general information for adults, not personalised medical advice. Food supplements should not replace a varied, balanced diet.
Written by Andy Arshad, SupplementHQ. Last reviewed 11 October 2026.