The Top Dangerous Diet Pills Deemed Too Unsafe to Use

by Editor on February 27, 2020

dangerous diet pills

Every year, a new line of diet pill products are released into the market, and as the year progresses – particularly as the highest wedding season comes to a close – there are dangerous diet pills identified which have promised dieters exceptional results, but provide only unsafe recommendations or substances.

As the years pass the list of dangerous diet pills get longer and longer. These are the types of diet pills that draw massive attention from everyone including the biggest newspapers to publications such as Forbes.

Dangerous Diet Pills to Avoid

The following are some of the latest dangerous diet pills that are being discovered to be highly unsafe:

The Japanese Weight Loss Pill

Also known as Japan Rapid Weight Loss Diet Pills, or Xiushengtang, Japanese weight loss pills come in blue, yellow, and green, and the FDA has recently issued a strong warning against their purchase or use. The reason is that these pills have been found to contain a drug called sibutramine, and a chemical called phenolphthalein. The drug is a substance that was once sold as the obesity pill called Meridia, but that was taken off the U.S. market when it was found that it increased the risk of stroke and heart attack. The chemical is a suspected carcinogen.

The Brazilian Diet Pill

Also known as Herbaslim and Emagrece Sim, Brazilian diet pills are supposedly nutritional supplements that have been imported from Brazil. The FDA has been issuing a warning against the drugs found in these pills since 2006. News reports have started to feature them in the headlines once more as this product has managed to make a comeback, despite the fact that they still contain Prozac, the antidepressant, a stimulant called Fenproporex, and a drug called Librium. The combination of these downers and uppers can cause users to experience fierce mood swings, as well as odd symptoms (such as a high sensitivity to touch) and extreme personality changes.

Clen Fat Burner

Also known as Clenbuterol or just “Clen,” this drug is a type of steroid that is used in horses for treating respiratory illnesses. It has not been approved for use in humans, but it has been taken for various reasons particularly in the modeling and athletic industries. There has been some evidence that it can be absorbed by the muscle tissues, which means that it can cause damage to them, including the heart.


Also known as ephedra, Ma Haung, and several other names, ephedrine was once a popular ingredient used in OTC diet pills. Originally used in ancient Chinese medicine for the treatment of respiratory problems, it was found that this particular compound was also effective at suppressing appetite and stimulating the central nervous system. In 2005, the FDA banned ephedrine alkaloids that were marketed as dietary supplements for weight loss. The reason is that many of these ephedra supplements combined the substance with other stimulant ingredients (e.g. caffeine). This combination not only heightened the risk of serious side effects like insomnia, anxiety, dizziness, tremors, cardiac arrhythmia, stroke and heart attack, but also resulted in fatalities.


Another to make the dangerous diet pills list, this product was named after its two primary active ingredients: Fenfluramine and Phentermine. Although it was once extremely popular in the 1990s, it was banned by the FDA in 1997 after it was linked to valvular heart disease, increased pulmonary artery pressure and pulmonary hypertension.


Better known as DNP, this weight loss drug was been bad news for decades and was first banned by the FDA way back in 1939. Initially used as a chemical pesticide, the drug was later used for weight loss due to its ability to speed up the body’s metabolism and raise temperature. While weight loss was a side effect, so was intense sweating, respiratory difficulty, lesions, bleeding lips and the formation of cataracts. More than 60 people died as a result of taking this dangerous pill.

Consult with Your Doctor Before Taking Any Diet Pill

Although many of the above dangerous diet pills can no longer be found for sale online, this does not mean that all prescription or OTC weight loss pills currently available are safe for you to take.

Remember, even if a certain product passes certain safety measure, this does not mean that it is safe for everyone. Any pharmaceuticals, herb or other natural substances has the potential to negatively interact with certain medications or health conditions.

For this reason, it is absolutely vital for you to consult with your doctor before you even think about swallowing a new pill for the first time. It may look innocent enough to you, but it could be putting your health or even your life at risk.

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