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Every practice in the library, in one list. Narrow it by how long you have, who it is written for, and where you are right now.
When researchers ran DNA testing on 13 herbal products, only 2 contained the plant on the label. Three had none of it at all, and several were padded out with rice, soy or wheat that nobody had declared.
The obvious problem is paying for something you did not get. The quieter problem is the undeclared filler, which matters a great deal if you avoid…
A second study, this time of 44 products, found only about half were authentic. Roughly six in ten were mislabelled, three in ten contained a substituted ingredient, and one in five held contaminants or fillers.
One study of this kind is a story about some bad batches. Two independent studies finding the same thing is a description of how the market works.…
If you are going to buy supplements, look for an independent verification mark: USP Verified, NSF, or a product tested by ConsumerLab. It is the nearest thing available to the check that regulators do not carry out.
Those schemes test identity, strength, purity and how a product was made, and manufacturers pay to take part voluntarily. There are different tiers,…
St John's wort can cut the effectiveness of the contraceptive pill by around a third. If you take both, that is worth knowing today rather than finding out later.
It speeds up the way the liver clears certain drugs, so the pill is not the only thing affected. Warfarin, some HIV medicines, ciclosporin and a…
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