The tart red berry of Nordic kitchens and Newfoundland "partridgeberry" jam is also a folk urinary remedy, and its juice, blended with cranberry, is in some of the best-known bladder-infection trials. Here's what it's used for, what the studies show, and why the berry and the leaf are two very different safety stories.
Sweet flag is an aromatic marsh plant with a long history in Ayurveda, Chinese medicine and Indigenous North American medicine. It's also one of the few herbs banned from food in the US, because its oil contains beta-asarone, which caused cancer in rodent studies.
The berry that flavours gin has a long second life as a European and North American folk herb for the bladder and the belly. This profile covers how traditions use it, why the evidence is thin, and the clear limits on how long and for whom it's used.
Borage is the blue "starflower" herb whose seed oil is one of the richest plant sources of GLA, an omega-6 fat. The leaf and flower carry liver-toxic alkaloids, so the vault page explains why only tested, PA-free seed oil is worth considering.
Ajwain is the tiny, thyme-scented seed that goes into Indian breads, pakoras and bean dishes, and it's one of Ayurveda's and Unani medicine's best-known kitchen remedies for wind and indigestion. Here's what those traditions use it for, what little research there is, how it's taken, and why it's a firm no in pregnancy.
Asafoetida, or hing, is the pungent resin that Indian cooks add by the pinch to beans and lentils, and that Ayurvedic and Persian healers have long used for wind and sluggish digestion. Here's what traditions use it for, what the small trials found, and who should keep it to food amounts.
Caraway is the seed that flavours rye bread and sauerkraut, and Europe's classic after-dinner tea for wind and that over-full feeling. Here's what traditions use it for, what the studies on the caraway-plus-peppermint capsules show, how the EU says to brew it, and who should skip it.
Huang Qi, the yellow root behind Chinese "Jade Windscreen" formulas, is one of the best-known qi tonics in traditional Chinese medicine and a popular immune-season herb in the West. Here's what the tradition uses it for, what the (mostly small, Chinese) studies show, the Health Canada amounts, and why people with autoimmune disease or a transplant should steer clear.
A rare Himalayan fungus that grows out of moth caterpillars, cordyceps has been prized in Tibetan and Chinese medicine since at least the 1400s as an energy and lung–kidney tonic. Today almost all of it is grown in labs, and the research is far thinner than the marketing.
The bright red fruit left on wild roses after the petals fall has been brewed into a warming winter tea for generations, from Indigenous communities in British Columbia to European kitchens. This profile covers its traditional uses, the joint research that put rosehip powder on the map, and who should go easy on it.
