Dante Carrillo
2,4-Dinitrophenol (DNP) is an organic compound that has been used as a diet pill. DNP raises energy expenditure by 30 to 40 percent, causing weight loss of 0.7–0.9 kilograms (1.5–2.0 lb) per week. Despite its effectiveness as a weight loss drug, DNP is no longer in clinical use due to its dangerous side effects and toxicity, with several fatalities reported since the turn of the twentieth century. DNP is often sold illegally online and continues to be used, particularly by bodybuilders and people with eating disorders.
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What You'll Learn
DNP's effectiveness as a weight-loss drug
DNP, or 2,4-Dinitrophenol, is a drug that has been used as a weight-loss supplement and is often marketed as a 'safe weight-loss' drug. It is sold illegally online and targets bodybuilders and extreme dieters by promising rapid and miraculous weight loss without the need for dietary changes or increased exercise. DNP is often sold in tablets containing 100 to 200 mg and may be sold alongside other substances such as anabolic steroids and thyroxine. It is also found as a contaminant in other bodybuilding supplements not advertised as containing DNP.
DNP was one of the first weight-loss drugs developed in the early 20th century. It was initially manufactured in France during World War I to make dyes and explosives. In the 1930s, researchers at Stanford University discovered that DNP could be used for weight loss. They found that the drug increased the basal metabolic rate, leading to a rapid loss of weight. However, they also warned of the unknown dangers of prolonged use and the potential for fatal overheating with high doses. Despite these warnings, DNP was sold over the counter to more than 100,000 people in the US alone from 1933 to 1938. During this time, it became clear that DNP had severe and often fatal side effects, including poisoning, deaths, and other serious complications. As a result, DNP was banned for sale as a diet pill in the United States in the late 1930s and in the UK in 2003.
Despite its illegality, DNP continued to be used and even experienced a resurgence in popularity after it became available on the Internet. In recent years, DNP has been illegally marketed and sold through the Internet and social media, with many companies based in the United States shipping packages illegally worldwide. This has led to a marked increase in DNP usage and associated risks, with several fatalities per year in the last decade. Between 2010 and 2020, there were at least 50 overdose deaths reported worldwide, and DNP has been responsible for at least 62 published deaths in the medical literature.
DNP promotes weight loss by increasing energy expenditure by 30 to 40 percent, leading to a weight loss of 0.7–0.9 kilograms (1.5–2.0 lb) per week. It does this by partially uncoupling the oxidative phosphorylation (ATP production) system in mitochondria, making mitochondria less efficient in converting energy and using more fuel to produce an equivalent amount of ATP. This can lead to a rapid increase in both metabolic rate and body temperature, which can cause uncontrolled hyperthermia and death in the case of overdose.
While DNP has proven effective in promoting weight loss, it is associated with an unacceptably high rate of significant adverse effects and an unusually high fatality rate. As such, it is considered a dangerous and potentially lethal weight-loss drug that is not fit for human consumption.
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DNP's illegality and availability
DNP, or 2,4-dinitrophenol, is a dangerous and toxic chemical compound that has been used as a diet pill. DNP causes rapid weight loss by raising the basal metabolic rate and increasing energy expenditure. While it was developed as one of the first weight loss drugs in the early 20th century, it was banned for human consumption in the late 1930s due to its severe side effects and risk of death. Despite its illegality, DNP continues to be used and is widely available on the internet, often marketed as a 'safe weight loss' drug.
DNP's Illegality
DNP was banned for sale as a diet pill in the United States in the late 1930s due to its toxic side effects and risk of death. The United Kingdom followed suit in 2003, banning DNP under General Food Laws. In Australia, all dinitrophenols, including DNP, were classified as Schedule 1 dangerous drugs in 1956. As of February 2017, DNP is classified as Schedule 10, which prohibits its sale, supply, and use due to its danger to health. DNP is also banned by the World Anti-Doping Association and is considered a regulated poison in the United Kingdom as of October 2023.
DNP is illegal to sell as a food or medical product in many countries, including the United States and the United Kingdom. However, due to its legitimate uses in industries such as agriculture and manufacturing, it can be legally sold for non-human consumption. For example, DNP is used in the production of pesticides, wood preservatives, and dyes.
DNP's Availability
Despite its illegality as a diet pill, DNP remains widely available, especially on the internet. It is often marketed as a 'safe weight loss' drug or supplement and sold under various names such as "DNP", "Dinosan", "Dnoc", and "Solfo Black". DNP is typically sold in tablets or capsules containing 100 to 200 mg of the chemical, although it can also be purchased in bulk quantities as powder or in larger numbers of tablets. Online pharmacies, bodybuilding websites, and online message boards are common sources of DNP.
The availability of DNP on the internet has contributed to its resurgence in popularity, especially among bodybuilders, fitness enthusiasts, and individuals with eating disorders. Online forums and message boards provide a platform for users to share their experiences, progress, and advice on dosage and regimens. However, despite health warnings from regulators, the drug continues to be sought after by those seeking rapid weight loss.
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DNP's side effects and toxicity
DNP, or 2,4-Dinitrophenol, is a dangerous and toxic substance that has been used as a diet pill. Despite health warnings, it is readily available online and continues to be used, often by bodybuilders and those with eating disorders. DNP raises energy expenditure by 30 to 40 percent and causes weight loss of around 1.5-2.0 lbs per week. However, its use comes with a high risk of significant side effects and an unacceptably high rate of fatalities.
The side effects of DNP are varied and severe. The first symptoms to appear are typically nausea, vomiting, abdominal pain, and sometimes diarrhea. An overdose of DNP can cause a combination of hyperthermia, tachycardia, diaphoresis, and tachypnoea. DNP overdose can lead to an uncontrolled and fatal rise in body temperature, up to as high as 44°C (111°F). This disruption of metabolism can also cause a dangerous accumulation of potassium and phosphate in the body. DNP can also cause T wave and ST segment abnormalities, and heart muscle, kidney, and liver damage have been found on autopsy.
In addition to the physical symptoms, DNP overdose can also cause confusion, dizziness, and delirium. This can lead to poor decision-making and a failure to recognise the severity of symptoms and seek medical help.
The toxicity of DNP has been evaluated in human and animal studies. Animal studies have shown that DNP acts as a teratogen, mutagen, and carcinogen, causing developmental and reproductive harm. DNP poisoning can occur through contact with skin or inhalation, with inhalation leading to more severe systemic effects. DNP has a low therapeutic index, meaning the dosage at which toxicity occurs is not much larger than that required to produce the desired effect. Individual tolerance to DNP's harmful short- and long-term effects varies greatly.
The use of DNP as a diet pill has led to numerous fatalities. As of 2022, there have been 62 published deaths in medical literature attributed to DNP. DNP is often marketed as a safe weight-loss drug, but this is far from the truth. The drug is dangerous and illegal in many places, and its use comes with a high risk of severe side effects and death.
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DNP's history and rediscovery
DNP, or 2,4-Dinitrophenol, is an organic compound with the formula HOC6H3(NO2)2. It was originally manufactured in France during World War I to make dyes and explosives. In the early 20th century, researchers noticed its effect on raising the basal metabolic rate in accidental exposure and developed it as one of the first weight-loss drugs.
In 1933, Maurice Tainter and Windsor Cutting at Stanford University reported that DNP stimulated metabolism by 50% in patients taking the chemical, leading to weight loss of up to 1.5kg per week. From 1933 to 1938, it was sold over the counter to more than 100,000 people in the US alone. However, Tainter and Cutting also warned of the unknown dangers of prolonged use and the potential for fatal overheating with high doses. Despite these warnings, DNP was enthusiastically embraced, and it was mostly sold without a prescription or supervision.
In 1938, DNP was pulled from the market due to safety concerns as cases of poisoning, deaths, and other serious complications emerged. The Federal Food, Drug, and Cosmetic Act of 1938, a new law that established higher quality standards for drug manufacturers, labelled DNP as "extremely dangerous and not fit for human consumption". DNP was banned for sale as a diet pill in the United States by the end of the 1930s. However, this was not enough to prevent further experimentation. In the 1980s, physician Nicholas Bachynsky established clinics in the United States offering weight loss treatments underpinned by the drug.
DNP experienced a resurgence in popularity in the 1990s, particularly among the bodybuilding community. It is often marketed with sensationalized claims, which can appeal to those who are emotionally vulnerable and seeking a quick and easy fix for weight loss. It is readily available online, sometimes under other names such as Dinosan, Dnoc, Solfo Black, Nitrophen, Aldifen, and Chemox.
DNP is associated with a high rate of significant adverse effects, including an unusually yellow colouring of the skin, mucous membranes, sclera, urine, stomach contents, and internal organs. Overdose is extremely dangerous, and cases reported to poison control centres had an 11.9% fatality rate between 2010 and 2020. DNP is a dangerous weight-loss drug that can be potentially lethal even in young and healthy individuals.
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DNP's marketing and target audience
DNP, or 2,4-dinitrophenol, is an organic compound that causes dose-dependent mitochondrial uncoupling in humans, leading to rapid weight loss. DNP was first developed as a weight loss drug in the early 20th century, and by 1934, around 20 wholesale drug firms were marketing it. DNP was available in local pharmacies and was consumed by as many as 100,000 people in the United States alone before it was banned in the late 1930s due to its severe and often fatal side effects.
DNP continues to be marketed and sold illegally, primarily over the internet, despite being banned in many countries. It is often marketed with sensationalized claims of "safe weight loss" and "fat burn" to attract emotionally vulnerable individuals seeking a quick fix. The target audience for DNP has traditionally been bodybuilders and fitness enthusiasts who are attempting to lose fat while retaining muscle bulk. However, there is a growing number of women turning to DNP as a diet aid due to the rise of social media and the increased exposure to body image pressures.
DNP is typically sold in tablets containing 100 to 200 mg, with a recommended maximum of 400 mg/day for up to 2 weeks. It is also available in large quantities, such as kilograms of DNP powder or thousands of DNP-containing tablets. The drug is sometimes marketed under different names such as Dinosan, Dnoc, Solfo Black, Nitrophen, Aldifen, and Chemox.
DNP's availability has widened due to its sale on legitimate-looking websites, including popular platforms like eBay and Amazon. This has made it easier for individuals to purchase DNP, increasing the potential demographic for the drug beyond bodybuilders to include more women seeking weight loss. The marketing and availability of DNP on easily accessible websites make it appealing to those seeking a quick solution to weight loss, despite the associated dangers.
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Frequently asked questions
DNP stands for 2,4-Dinitrophenol, an organic compound with the formula HOC6H3(NO2)2.
DNP causes dose-dependent mitochondrial uncoupling, causing the rapid loss of ATP as heat and leading to uncontrolled hyperthermia. This increases the user's metabolic rate and body temperature, resulting in weight loss.
DNP was originally manufactured in France during World War I to make dyes and explosives. In the 1930s, researchers at Stanford University discovered its potential for weight loss. From 1933 to 1938, it was sold over the counter to more than 100,000 people in the US alone.
DNP is no longer clinically used as a weight loss drug due to its dangerous side effects and toxicity. However, it is still illegally sold and purchased online, often targeted at bodybuilders and extreme dieters.
DNP is associated with severe and sometimes fatal side effects, including overheating, poisoning, and other serious complications. It has been linked to multiple deaths worldwide.
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