Ma huang, an ancient Chinese herb, is more commonly known as ephedra, a common ingredient in weight loss supplements. The Food and Drug Administration cautioned consumers against taking ma huang in its natural form, or as an ingredient in many products due to its dangerous side effects in 2004, according to the Mayo Clinic. Also known as yellow horse or Mormon tea, Ma huang is most commonly used as a stimulant to boost metabolism and as an appetite suppressant.
Cardiac Problems
Ma huang has been linked to cardiac irregularity, strokes and heart attack, according to Drugs.com. Individuals diagnosed with heart conditions, high blood pressure, eating disorders or mental health disorders such as depression or bi-polar conditions should not take Ma huang. The herb may cause tachycardia, or increased heartbeat and arrhythmia. Many individuals complained of chest pain, heart palpitations and elevated blood pressure when taking the herbal supplement, according to the Vitamins and Health Supplements Guide.
Increased Nervous System Function
Ma huang or ephedra has been linked with accelerating the central nervous system, according to the Mayo Clinic. This increased activity may cause jitters, shaking and increased sense of agitation or nervousness. The function of ephedra in those seeking weight loss is that the herb increases the basal metabolic rate, which in turn burns calories faster, making it a popular weight loss aid, states the Vitamins and Health Supplements Guide.
Mood Swings
Use of Ma huang or ephedra is also known to cause mood changes and swings in some individuals, states the Agency for Healthcare Research and Quality, which is why it is not recommended for those experiencing depression, insomnia or other mental disorders or eating disorders. Those taking ephedra are at a two to three times greater risk of developing or experiencing psychiatric events, as well as anxiety and stress.
Other Side Effects
Many individuals taking ephedra or Ma huang also experienced various episodes of less dangerous yet still alarming side effects including, but not limited to, vomiting, nausea, dizziness and hyperactivity, states the Agency for Healthcare Research and Quality. Seizures, brain events such as strokes, and even death have resulted from ingestion of ephedra in some individuals.
Use of Ma huang or ephedra may contribute to sleep disorders such as insomnia, states Personal Health Zone. Other side effects include dry mouth, a general sense of fatigue, headaches and irritability. Caution is advised for any individuals considering Ma huang as a weight loss supplement, as reactions to the herb can vary.
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