Why 'Safe for Eating' Doesn't Mean 'Safe to Vape'
A Review of the Toxicity of Ingredients in e-Cigarettes, Including Those Ingredients Having the FDA’s “Generally Recognized as Safe (GRAS)” Regulatory Status for Use in Food
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Publication
Journal
Nicotine & Tobacco Research
Year
2024
Authors
Nada O F Kassem, R. Strongin, Andrea M. Stroup, M. Brinkman, Ahmad El-Hellani, Hanno C. Erythropel, A. Etemadi, V. Exil, M. Goniewicz, Noura O Kassem, Theodore P. Klupinski, Sandy Liles, T. Muthumalage, Alexandra Noël, D. H. Peyton, Qixin Wang, Irfan Rahman, Luis G. Valerio
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Claims (10)
When people vape liquids containing propylene glycol or glycerol, the heat turns them into harmful chemicals like formaldehyde and acrolein, which can irritate the lungs, damage blood vessels, and mess with the body’s internal clock.
People got seriously sick from vaping THC oil, and scientists found that a common food ingredient called vitamin E acetate—safe to eat—was to blame when breathed in. So just because something is safe to eat doesn’t mean it’s safe to vape.
Just because a food ingredient is considered safe to eat doesn’t mean it’s safe to breathe in, especially when it’s heated up in a vape pen — the safety rules for eating and breathing are totally different.
Flavors used in e-cigarettes that are safe to eat can still hurt your lungs when you breathe them in, causing irritation, cell damage, and swelling.
Even though vitamin E acetate is considered safe to eat, when people breathed it in through vaping, it caused serious lung damage during the 2019–2020 outbreak — so being labeled 'safe for food' doesn’t mean it’s safe to inhale.