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Re: Charlie48 post# 37863

Saturday, 08/02/2014 9:46:31 PM

Saturday, August 02, 2014 9:46:31 PM

Post# of 112683
Charlie,
Your thesis is without merit, as you compare recomended daily allowances for ingestion as a delivery means with a fast onset medication through thermally generated aerosol (Vaping).The majority of the vitamins you ingest end up passing through your system without uptake and get defficated out. The question is weather the vitamins are water soluable and if so what is the size of the particle.Vaporization would require a much smaller ammount. I do not know if the "vitacig" vitamins are in a water soluable form or just fine powder ground up and mixed in.

"Drug compounds can be delivered to the human body through a variety of routes, including injection, oral intake, and inhalation. For rapid delivery, deep lung inhalation has a number of key advantages, including the large absorptive surface area (~100 m2) (Thurlbeck, 1967; West, 1990) of the deep lung (alveoli), the thinness and permeability of the barrier separating the alveolar airspace from the pulmonary capillary bed, and the direct passage of absorbed drug from the pulmonary circulation to the arterial circulation. These factors enable drug inhaled as aerosol particles to reach the body and brain in less than a minute; if the inhaled particles are of appropriate size to reach and deposit in alveoli (1-3 µm in diameter) (Heyder, 1982), the particles dissolve rapidly, and the drug readily crosses from the alveoli to the bloodstream (Ehrhardt et al., 2002)."

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