Does Stinging Nettle Have an Essential Oil?

Technically, yes – but only a tiny amount. When we think of essential oils, plants such as lavender, peppermint or lemon balm may come to mind. Stinging nettle is very different. Researchers have managed to isolate and analyse volatile oil from Urtica dioica, but the...

Nettle: What Do We Really Know?

Nettle is a good example of why saying simply that “a herb has been scientifically proven” can be misleading. The clearest clinical evidence concerns nettle root extracts and urinary symptoms associated with benign prostate enlargement. This does not mean that nettle...

Where Does Nettle Have the Strongest Evidence?

The strongest clinical evidence for nettle concerns urinary symptoms associated with benign enlargement of the prostate, or benign prostatic hyperplasia (BPH). Importantly, these studies mainly involve nettle root extracts. Clinical research has reported improvements...

What Gives Nettle Its Power?

Stinging nettle contains a surprisingly diverse mixture of natural compounds, and different parts of the plant have different chemical profiles. Extracts made from nettle leaves are particularly rich in polyphenols. Important compounds include chlorogenic,...

The Science Behind Calendula’s Golden Flowers

Calendula’s brilliant yellow and orange flowers are not just beautiful. Their colour is connected to some of the plant’s interesting natural chemistry. The flowers contain carotenoids, a family of natural pigments responsible for many of the yellow, orange...