Hidden Dangers in E-Cigarette Products: A Health Hazard

Aug.08.2024
Hidden Dangers in E-Cigarette Products: A Health Hazard
Duke University researchers reveal tobacco companies substituting unknown, potentially harmful chemicals for nicotine in e-cigarettes to avoid regulations.

According to Mirage News on August 8th, health researchers at Duke University in North Carolina reported that some tobacco companies have started using alternative chemicals with similar characteristics but unknown health impacts to replace nicotine in e-cigarette products in order to circumvent public health regulations.


In a research letter published in the Journal of the American Medical Association on August 7th, researchers from Duke University and Yale University also found that the quantities of these chemicals (known as nicotine analogs) were not accurately disclosed on the packaging.


The study's co-author, Senior Research Scientist Sairam V. Jabba, D.V.M., Ph.D., of Duke University School of Medicine, stated that...


E-cigarette products containing nicotine are restricted by federal law, prohibiting sales to individuals under the age of 21.


Currently, nicotine analogs are not restricted by FDA regulations, and their health effects have not been studied. Our analysis of some e-cigarette products containing analogs sold in the United States found significant and concerning discrepancies between the claimed ingredients and the actual ingredients. Furthermore, manufacturers may be trying to circumvent FDA tobacco regulation.


The study emphasizes that a chemical compound called 6-methyl nicotine is shown in rodent experiments to be more effective and more toxic than nicotine in targeting brain nicotine receptors. Another chemical compound called nicotinamide is advertised as targeting the same brain receptors, although evidence suggests it does not bind to these receptors.


These nicotine analogs are added to flavored e-cigarettes, previous studies have shown that these e-cigarettes are more popular among young people and first-time e-cigarette users.


Jabba and colleagues, including co-senior author Sven Eric Jordt, Ph.D., analyzed a e-cigarette product called Spree Bar, which has at least nine flavors and is labeled as containing 5% 6-methylnicotine. The research findings showed that the actual chemical content was about 88% lower than what was indicated on the label. This e-cigarette also contains an artificial sweetener that is 13,000 times sweeter than sucrose, as well as an artificial cooling agent that mimics the effect of mint.


The second brand of e-cigarette (sold under the names Nixotine, Nixodine, Nixamide, and Nic-Safe) contains a nicotine analogue called niacin, with levels lower than indicated on the label, and combined with an undisclosed amount of 6-methyl nicotine. This brand does not contain any sweeteners or cooling agents.


These products appear to be designed to circumvent laws and regulations aimed at protecting people, especially children, from the harmful effects of smoking and tobacco use. We do not know what effects these chemicals may have when heated and inhaled. These questions should be answered before allowing the products to be marketed.


We welcome news tips, article submissions, interview requests, or comments on this piece.

Please contact us at info@2firsts.com, or reach out to Alan Zhao, CEO of 2Firsts, on LinkedIn


Notice

1.  This article is intended solely for professional research purposes related to industry, technology, and policy. Any references to brands or products are made purely for objective description and do not constitute any form of endorsement, recommendation, or promotion by 2Firsts.

2.  The use of nicotine-containing products — including, but not limited to, cigarettes, e-cigarettes, nicotine pouchand heated tobacco products — carries significant health risks. Users are responsible for complying with all applicable laws and regulations in their respective jurisdictions.

3.  This article is not intended to serve as the basis for any investment decisions or financial advice. 2Firsts assumes no direct or indirect liability for any inaccuracies or errors in the content.

4.  Access to this article is strictly prohibited for individuals below the legal age in their jurisdiction.

 

Copyright

 

This article is either an original work created by 2Firsts or a reproduction from third-party sources with proper attribution. All copyrights and usage rights belong to 2Firsts or the original content provider. Unauthorized reproduction, distribution, or any other form of unauthorized use by any individual or organization is strictly prohibited. Violators will be held legally accountable.

For copyright-related inquiries, please contact: info@2firsts.com

 

AI Assistance Disclaimer

 

This article may have been enhanced using AI tools to improve translation and editorial efficiency. However, due to technical limitations, inaccuracies may occur. Readers are encouraged to refer to the cited sources for the most accurate information.

We welcome any corrections or feedback. Please contact us at: info@2firsts.com

German Customs Seize 115,800 Vapes in €1.4 Million Tax Case
German Customs Seize 115,800 Vapes in €1.4 Million Tax Case
Germany's Magdeburg Main Customs Office seized 115,800 untaxed e-cigarettes containing a combined 4.366 million mL of e-liquid during four truck inspections between August 10 and September 4, 2026. The seizures prevented an estimated €1.397 million in tax losses and set a record for the customs office's jurisdiction. Criminal proceedings have been initiated against four truck drivers. The case follows a separate German investigation involving more than 7.6 million illicit vapes and an estimated €33.3 million in excise-tax losses.
Enforcement
Oct.13
How Many Nicotine Pouch Factories Does Europe Need? 2Firsts Interviews AIRSCREAM on the OEM Market
How Many Nicotine Pouch Factories Does Europe Need? 2Firsts Interviews AIRSCREAM on the OEM Market
At InterTabac 2026, nicotine pouch growth was visible not only in brands but across equipment, raw materials and OEM manufacturing. 2Firsts interviewed AIRSCREAM commercial head Steve Moore on how many pouch factories Europe may ultimately need and where manufacturers can differentiate, from formulation and flavour to pouch materials, production consistency and customer service. The category continues to expand, but questions remain over future capacity, consolidation and the long-term structure of the supply chain.
Sep.18
Pennsylvania Vape Directory Law Survives Court Challenge From Nova Distro and Others Amid Similar Rulings Across States
Pennsylvania Vape Directory Law Survives Court Challenge From Nova Distro and Others Amid Similar Rulings Across States
A U.S. federal court upheld Pennsylvania's vape directory law on October 14, rejecting a challenge brought by Nova Distro, 101 Distributors and companies operating Tobacco Hut retail stores. Court records show that vaping accounts for about 60% of Tobacco Hut's profits and that the chain held approximately $2 million in inventory potentially subject to seizure under the law as of June 2. Pennsylvania began enforcement on October 19. The ruling follows similar appellate decisions in other states, even as new research shows that unlisted vaping products continue to account for substantial sales in states with established directories.
Regulations
Oct.22
Product | KT&G Launches lil HYBRID 3.0 Misty Rosé Edition II in South Korea With Two Pink Finishes at 88,000 Won
Product | KT&G Launches lil HYBRID 3.0 Misty Rosé Edition II in South Korea With Two Pink Finishes at 88,000 Won
South Korean tobacco company KT&G launched the limited-edition lil HYBRID 3.0 Misty Rosé Edition II on September 30, 2026, following the original Misty Rosé Edition introduced in November 2025. The new release comes in two pink finishes, Bloom Rosé and Viva Rosé, each priced at 88,000 won. Both versions initially went on sale through the lil Store online shop and lil MINIMALIUM flagship stores. From October 7, Bloom Rosé became available at approximately 1,500 lil Station retail outlets nationwide. The release retains the existing lil HYBRID 3.0 hybrid heated tobacco platform, with changes focused on exterior design and distribution.
product
Oct.10
Special Report | From New York to Washington: How FDA’s Tobacco Center Is Reworking Product Review
Special Report | From New York to Washington: How FDA’s Tobacco Center Is Reworking Product Review
FDA’s Center for Tobacco Products is reshaping how it approaches tobacco product review. Based on 2Firsts’ on-site reporting in New York and Washington, this report traces CTP’s emerging direction: stronger links between PMTA and tobacco harm reduction, more category-specific review, greater emphasis on decision-relevant science, more predictable timelines and expanded use of sPMTA for product modifications. CTP also acknowledged major constraints, including just nine PMTA review teams, persistent backlogs and limits on hiring capacity.
Regulations
Oct.08
EU Tobacco Tax Reform Targets November Push as Sweden Holds Nicotine-Pouch Minimum at €20 per Kilogram
EU Tobacco Tax Reform Targets November Push as Sweden Holds Nicotine-Pouch Minimum at €20 per Kilogram
The Irish presidency of the Council of the European Union is using bilateral talks to push the bloc’s Tobacco Taxation Directive toward a political agreement in November. According to Law360, citing an EU official, Sweden is unwilling to accept a minimum excise threshold above €20 per kilogram for nicotine pouches. Council negotiations have already lowered the European Commission’s original proposal, but a May 2026 presidency compromise still set the minimum at 10% of the tax-inclusive retail price or €30 per kilogram in 2028-29, with higher levels later.
Market
Sep.17 by 2Firsts Perspectives