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

2Firsts Data | China’s Vape-Related Exports Rise 16.5% in July 2026 as U.S.-Bound Shipments Jump 53.5%
2Firsts Data | China’s Vape-Related Exports Rise 16.5% in July 2026 as U.S.-Bound Shipments Jump 53.5%
China’s vape-related exports reached $1.047 billion in July 2026, up 16.5% year on year and the highest monthly total of the year. Growth was heavily concentrated in the U.S., where exports jumped 53.5% to $404 million and accounted for 94.9% of the overall increase. Exports to all other markets rose just 1.2%. By category, nicotine-containing non-combustible products—primarily vapes—under HS24041200 rose 24.7% and generated 95.5% of the total increase. Vape-device exports under HS85434000 fell 0.4%, while other nicotine-substitute products under HS24041990 grew 88.9% but remained comparatively small.
DATA
Aug.24
JAMA Study: U.S. Vape Directories Fail to Sustainably Curb Unlisted Sales as Product Shifts May Redistribute Brand Share 2Firsts Recommended
JAMA Study: U.S. Vape Directories Fail to Sustainably Curb Unlisted Sales as Product Shifts May Redistribute Brand Share 2Firsts Recommended
A study by CDC Foundation researchers found no sustained decline in e-cigarette sales across Alabama, Oklahoma and Louisiana, the first three U.S. states to implement e-cigarette directory laws. Louisiana initially saw a significant sales decline, followed by a rebound and a persistent reduction in product availability. Sales also shifted from nontobacco-flavored disposables toward prefilled cartridges, with Vuse Alto driving much of the increase in menthol cartridges. By April 2025, unlisted products still accounted for more than half of e-cigarette nicotine sales in all three states.
Sep.18
RLX Technology Dropped From FTSE All-World as International Business Reaches 68.5% of Q2 Revenue
RLX Technology Dropped From FTSE All-World as International Business Reaches 68.5% of Q2 Revenue
RLX Technology (NYSE: RLX) has been removed from the FTSE All-World Index, effective September 21. FTSE Russell records show RLX was already part of its global equity index universe by 2022, when its American depositary receipts were classified as China Large Cap securities. Trading volume rose to about 44.77 million shares on September 18, roughly 23 times the previous session's volume. RLX reported RMB1.0105 billion in second-quarter revenue, up 14.8% year over year, with international operations contributing 68.5%. The company also acquired a 51% stake in one of Western Europe's largest distributors of next-generation smoke-free and FMCG products in July.
Sep.22
Major U.S.  Vape Distributor Demand Vape Pays at Least $300,000 for White House Lobbying Amid Enforcement Pressure
Major U.S. Vape Distributor Demand Vape Pays at Least $300,000 for White House Lobbying Amid Enforcement Pressure
New York vape distributor Ecto World, which operates as Demand Vape, hired political consultant Roger Stone to lobby the Executive Office of the President on regulation of vaping and related products while facing state enforcement and multiple lawsuits. Public lobbying disclosures show that Ecto World paid at least $300,000 for the work through June 30, 2026. Separately, New York State announced in March that more than 28,500 pounds of vaping products tied to the company had been seized, while New York City and the state have pursued legal or enforcement actions. Public records do not show that the lobbying directly changed any specific regulatory or enforcement outcome.
Sep.08
Philippines Customs Seizes PHP11.68 Billion($200 Million) in Illegal Tobacco and Vapes in First Seven Months of 2026
Philippines Customs Seizes PHP11.68 Billion($200 Million) in Illegal Tobacco and Vapes in First Seven Months of 2026
Philippines Customs data showed that illegal cigarettes and vape products seized during the first seven months of 2026 were valued at about PHP11.68 billion, exceeding the PHP2.516 billion recorded for the full year of 2025. The figures were disclosed by a Bureau of Customs official during a House Committee on Ways and Means hearing on tobacco excise tax reforms. Vape-related seizures were valued at about PHP1.65 billion, with most cases recorded at the Manila International Container Port. Customs officials said enforcement against illicit tobacco trade would continue.
Aug.26
UK Vape Duty Starts in October as Hayati, DOJO and Others Launch Lower-Capacity Products With Lower Per-Unit Tax
UK Vape Duty Starts in October as Hayati, DOJO and Others Launch Lower-Capacity Products With Lower Per-Unit Tax
The UK's Vaping Products Duty will take effect on October 1, 2026, at a flat rate of £2.20 per 10ml of vaping liquid. Ahead of implementation, DOJO, PIXL and Hayati have introduced or been reported to be adding lower-capacity tiers alongside larger products. DOJO has added a 6ml BLAST7K Fresh below its 10ml BLAST10K Fresh, PIXL offers both a 12ml 8000 and a 6ml 5K, while retailer Ninja Vapes says Hayati is preparing a 7ml 4K alongside its existing 12ml 6K. The pattern points to a growing lower-capacity tier in the UK market, although the brands have not all explicitly linked the changes to the new duty.
Sep.23