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Beyond adverse effects from the herb itself, "adulteration, inappropriate formulation, or lack of understanding of plant and drug interactions have led to adverse reactions that are sometimes life threatening or lethal." [3] Most of the adverse effects stated in this list are associated with only a small percentage of cases; they should be ...
At medicinal doses, T. wilfordii extract can have significant side effects, [7] including immunosuppression. In August 2011, the UK Medicines and Healthcare products Regulatory Agency published a drug safety bulletin advising consumers not to use medicines containing lei gong teng due to potentially serious side effects.
Some herbs may amplify the effects of anticoagulants. [52] Certain herbs as well as common fruit interfere with cytochrome P450, an enzyme critical to much drug metabolism. [53] In a 2018 study, the FDA identified active pharmaceutical additives in over 700 analyzed dietary supplements sold as "herbal", "natural" or "traditional". [54]
Most Chinese herbs are safe but some have shown not to be. Reports have shown products being contaminated with drugs, toxins, or false reporting of ingredients. Some herbs used in TCM may also react with drugs, have side effects, or be dangerous to people with certain medical conditions. [47]
Huperzine A, in spite of the possible cholinergic side effects, seems to have a wide margin of safety. Toxicology studies show huperzine A to be non-toxic even when administered at 50-100 times the human therapeutic dose. The extract is active for 6 hours at a dose of 2 μg/kg with no remarkable side effects. [20]
Protandim is a herbal dietary supplement marketed with unsupported claims that it can treat a number of medical conditions. The product is a patented [1] mix of five herbal ingredients and sold by LifeVantage Corporation (formerly LifeLine Therapeutics, Lifeline Nutraceuticals, and Yaak River Resources, Inc), a Utah-based multi-level marketing company. [2]
More research is needed on Ozempic long-term side effects. Some severe side effects with long-term consequences may include pancreatitis, acute kidney injury, gallstones, gallbladder disease ...
This study found that ephedra promoted modest short-term weight loss, but there was insufficient data to determine whether it was effective for long-term weight loss or performance enhancement. The use of ephedrine alkaloids in this study was associated with significant gastrointestinal, psychiatric, and autonomic side effects. [36]