Leena Watts
Ephedra, also known as ma huang, is a plant that contains the molecule ephedrine, which has been used as a popular dietary supplement ingredient. In 2004, the US Food and Drug Administration (FDA) banned the sale of dietary supplements containing ephedrine alkaloids due to serious safety risks. This decision was based on the well-known pharmacology of ephedrine alkaloids, scientific literature, and adverse events reported following consumption. Ephedra has been linked to harmful effects, even in low doses and short-term use, including high blood pressure, heart attack, seizure, stroke, and psychosis. Despite its popularity as a weight loss supplement in the 1990s, safety concerns and legal actions have led to its ban in the United States and other countries.
| Characteristics | Values |
|---|---|
| Legal Status | Banned in the U.S. and several other countries |
| Reason for Ban | Serious safety risks and unreasonable risk of illness or injury |
| Side Effects | High blood pressure, heart attack, seizure, stroke, psychosis, insomnia, dizziness, anxiety, irritability, nausea, etc. |
| Use | Weight loss, increased energy, enhanced athletic performance |
| History of Use | Long history of medicinal use in China and India |
| History of Regulation | Escaped regulation due to loopholes and piecemeal regulation, despite warnings of misuse |
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What You'll Learn
The FDA banned ephedra diet pills in 2004
Ephedra was especially dangerous when used with caffeine, and people with cardiovascular disease were considered at higher risk for severe harm. The use of ephedra during pregnancy or while breastfeeding was also deemed unsafe. In addition, there was no evidence that ephedra provided any significant health benefits beyond short-term weight loss. Studies showed an association between ephedra use and hypertension, cardiac dysrhythmias, myocardial infarction, seizure, stroke, and sudden death.
Prior to the ban, ephedra was classified as an herbal supplement under the Dietary Supplement Health and Education Act of 1994, and as such, it was largely unregulated with no standardization in strength or purity. The FDA's ban on ephedra sales led to a sharp reduction in ephedra-related adverse events reported to US poison centers. The number of poisonings resulting in major effects or deaths decreased by more than 98% since 2002. The ban was implemented in April 2004, overturned by the industry in 2005, but ultimately upheld by the US Court of Appeals in 2006.
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Ephedra has serious health risks
Ephedra, a Chinese herb also known as ma huang, has a long history of medicinal use in China and India to treat colds, fever, headaches, congestion, coughing, and wheezing. It was also used as a dietary supplement for weight loss, increased energy, and enhanced athletic performance. However, ephedra has been linked to many serious health risks, which led to its ban by the U.S. Food and Drug Administration (FDA) in 2004.
Even in relatively low doses and with short-term use, ephedra can cause harmful side effects such as high blood pressure, heart attacks, seizures, strokes, and psychosis. It can also lead to an irregular heartbeat and increased risk of a heart attack, especially when taken with other stimulants like caffeine. Ephedra has been linked to several cases of severe side effects in pregnant and breastfeeding women and is considered unsafe during these periods.
The speed-like drug contains the chemical ephedrine, an amphetamine-like compound similar to adrenaline. It can cause a quickened heartbeat and elevated blood pressure, and has been linked to more than 800 dangerous reactions, including sudden deaths. More than 30 soldiers died while taking ephedra, leading to its ban from U.S. military bases worldwide. It was also banned from the Olympics, college athletics, and the National Football League due to its serious health risks.
In addition to the physical health risks, ephedra has also been associated with a 2- to 3-fold increase in psychiatric symptoms such as irritability, anxiety, and personality changes. It can cause dizziness, dry mouth, headache, heartburn, insomnia, nausea, and vomiting. Ephedra can be life-threatening or disabling, and it is not possible to determine who would be at the greatest risk of using it. People with pre-existing conditions like cardiovascular disease are considered at higher risk for severe harm.
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Ephedra was used for medicinal purposes
Ephedra is a genus of gymnosperm shrubs with 74 species and two hybrids, widespread in many arid regions of the world. It is the only extant genus in its family, Ephedraceae, and order, Ephedrales. The plants are mostly dioecious, with pollen strobili in whorls of 1-10. The female strobili also occur in whorls, with bracts that fuse around a single ovule. The stems are green and photosynthetic, and the leaves are opposite or whorled, with scalelike leaves that are often shed soon after development.
Ephedra has a long history of medicinal use in China and India, where it is referred to as Ma Huang. It has been used for more than 2,000 years to treat colds, fever, headaches, congestion, coughing, wheezing, and other conditions. Native Americans and Mormon pioneers also drank a tea brewed from other Ephedra species, called "Mormon tea" or "Indian tea".
In traditional medicine, Ephedra was used to treat headache and respiratory infections, though there is no scientific evidence that it is effective or safe for these purposes. Ephedrine and its isomers were first isolated from Ephedra distachya in 1881 by Japanese organic chemist Nagai Nagayoshi, leading to the systematic production of semi-synthetic derivatives. Today, three species of Ephedra are commercially grown in Mainland China as a source of natural ephedrines and isomers for pharmaceuticals.
Despite the lack of evidence for its effectiveness, Ephedra remains widely used by athletes as a performance-enhancing drug. It was also an ingredient in some dietary supplements promoted for weight loss, increased energy, and enhanced athletic performance before the ban. A 2006 survey found that nearly half of collegiate hockey players had used Ephedra, believing it enhanced their athletic performance. However, ephedrine alkaloids are now banned by the FDA due to their serious safety risks, even in relatively low doses and short-term use.
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Ephedra was a popular weight loss supplement
Ephedra, also known as Ma Huang, gained popularity as a weight loss supplement in the 1990s. It has a long history of medicinal use in China and India for treating colds, fever, headaches, congestion, coughing, and wheezing, among other conditions. Ephedra contains multiple chemical compounds, the most notable of which is ephedrine, which impacts several bodily processes.
Ephedrine increases the resting metabolic rate, leading to a greater number of calories burned by the body, even at rest. Research has shown that healthy adults who took ephedrine burned 3.6% more calories over 24 hours compared to when they took a placebo. Additionally, ephedrine can promote weight and fat loss over longer periods, with some studies showing weight loss of 1.3 kg per month more than a placebo for up to four months.
However, despite its effectiveness as a weight loss supplement, ephedra has been linked to several harmful side effects, even in relatively low doses and short-term use. These side effects include high blood pressure, heart attack, seizure, stroke, psychosis, anxiety, dizziness, dry mouth, headache, heartburn, insomnia, irritability, nausea, and personality changes. Due to these safety concerns, the U.S. Food and Drug Administration (FDA) banned the sale of dietary supplements containing ephedrine alkaloids in the United States in 2004. The FDA declared that these supplements were adulterated and presented an unreasonable risk of illness or injury under the Federal Food, Drug, and Cosmetic Act.
Prior to the ban, ephedra was a popular ingredient in dietary supplements for weight loss, increased energy, and enhanced athletic performance. Its popularity was such that even after the ban, some individuals still seek out weight loss products containing this ingredient. However, it is important to note that ephedra and ephedrine products are now regulated as dietary supplements and are no longer legally available as weight loss supplements in the United States and several other countries.
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Ephedrine escaped regulation in the US
Ephedrine is a phenylethylamine alkaloid that can be found in multiple plants of the genus Ephedra. It has been used to treat numerous ailments and has a long history of misuse. In the United States, ephedrine was regulated as a drug as early as 1938, while ephedra, its herbal source, was regulated as a food. Despite warnings of misuse, piecemeal regulation of ephedrine and ephedra continued for many years, with the substances remaining easily accessible to the public.
In 1971, the Controlled Substances Act (CSA) became the new legal basis for illicit drug regulation in the US. Notably, ephedrine was not scheduled as an illicit substance under the CSA. This was due in part to the belief that misuse could be reduced through education and the fact that the harm associated with ephedrine had not yet been fully demonstrated.
The Dietary Supplement Health and Education Act of 1994 (DSHEA) further contributed to the under-regulation of ephedrine. This legislation allowed untested herbal products to be marketed while avoiding stringent drug regulation. As a result, ephedra, which contains ephedrine, remained available as a "dietary supplement."
By 2004, the Food and Drug Administration (FDA) had received over 18,000 adverse event reports (AERs) potentially related to the use of ephedrine and ephedra. In response, the FDA banned dietary supplements containing ephedrine alkaloids, citing unreasonable risks and serious safety concerns. This ban highlighted the need for tighter control and stringent regulation of all ephedrine products to prevent misuse and protect public health.
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Frequently asked questions
No, ephedra diet pills are not legal in the US. The Food and Drug Administration (FDA) banned the sale of dietary supplements containing ephedrine alkaloids in 2004.
The FDA banned ephedra diet pills because they were found to have serious safety risks and present an unreasonable risk of illness or injury. Even in relatively low doses and short-term use, ephedra has been linked to harmful effects like high blood pressure, heart attack, seizure, stroke, and psychosis.
Ephedra is a plant (ma huang) that contains multiple chemical compounds, the most notable of which is ephedrine.
Ephedra gained popularity as a weight loss supplement in the 1990s. It was found to increase the metabolic rate and promote weight and fat loss over longer periods.
There are many alternative weight loss supplements available on the market that do not contain ephedrine alkaloids. It is important to consult a healthcare professional before taking any new supplement to ensure it is safe and appropriate for your individual needs.
