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.
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Guggul
Guggul is the fragrant resin at the heart of Ayurveda's "guggulu" tablets, used for centuries for joints, weight and skin. Here's what the tradition uses it for, why a well-known US trial surprised everyone, and the rash, thyroid and medicine cautions to know first. The tree is also critically endangered, so where it comes from matters.
Evening Primrose
Evening primrose is a tall North American wildflower whose yellow blooms open at dusk. Indigenous peoples ate its roots and greens and used it on bruises and sore skin, and today its seed oil is one of the best-known "women's" and skin supplements.
Juniper Berry
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.
Nettle
Nettle stings on the trail, but it has been a spring food, a joint remedy, a fibre plant and a "strengthening and cleansing" tea for peoples across Europe, North Africa and North America. Here's how tradition uses the leaf and the root, what the research shows for joints, the prostate and urination, and who should skip it.
Corn Silk
Corn silk, the fine threads at the top of an ear of corn, is a gentle traditional tea for the bladder and puffiness in Chinese and Native American medicine. Here is its history, the draft EU monograph amounts, what the evidence does and does not show, and the potassium and medicine cautions.
NAC (N-Acetylcysteine)
NAC (N-acetylcysteine) is a form of the amino acid cysteine that the body uses to make glutathione, its main built-in antioxidant. Members get the full entry: where the research is strong (and where it isn't), typical amounts, and the drug interactions every NAC user should know.
