Mangus, I can send you some of FW's liquid E-Caffeine. Afterall, i've got a 4oz bottle, lol. Taste? there is no taste. I first came across e-caffeine when I ordered 30mls of juice from Vapor Renew. Jason (the owner) & I got to talking, so I ordered the 4oz bottle from his FW site. This way I can add caffeine to not only any vendor's juice, as well as my own DIY.
I was actually having a conversation regarding "flavoring" with someone tonight. Sure, it's food safe, & digestion begins in the mouth. IS flavoring actually safe to be vaped though? Hardening of the lung tissues would be one of the biggest side effects I can think of. Once your lung tissue starts to harden, there goes your capacity, drive & TV, not to mention acid/base imbalances that will ultimately affect more than just your lungs.
Flavorings are used in baking, so they are heated. Then we take them in via the digestive system. This proves fine, (except for those with specific allergies.) During vaping, we heat the flavors that are indeed "food safe", but instead we take them in via inhalation. As far as I know PA is the only company that has paid to do any type of testing & I believe that this was actually testing for diactyl, or diactyl components.
Even though I vape, I'm skeptical about what the flavorings are actually doing to my lungs. I sit & think, "Well, I smoked for 20 years........whatever is in that flavoring can't be any worse than what was in my cigarettes". What if it is though? No long term studies have actually been done regarding the inhalation of "food safe strawberry flavor concentrate" after 20 years of use.
I guess what I'm trying to say is that while reading through the forums, I see it over and over again, "It's food safe". So these people automatically assume that it's "vape safe". The digestive system & the respiratory system work in 2 totally different ways. "Food safe" is great if it's absorbed through the GI tract, but is "food safe", really that safe when inhaled through the respiratory system?
**For YEARS, people just couldn't understand me........I was a perfect picture of health, except for the fact that I smoked, & everyone wondered why I didn't "just quit". I'm on the front line in the medical field daily, I sideline as a personal trainer, zumba instructor & sports nutritionist, I'm vegetarian, I grow my own organic fruits & vegetables, home birth, breastfed, & don't vaccinate my children** I vape, & i'm going to continue to, then while i'm at it, hell, i may as well vape my caffeine, lol............ but how safe is "food safe" when it's vaped? I'm asking because I don't know the answer, and I don't know how long it will take to actually find an answer.