Results from a 2017 study show an association with consuming high-dose B6 and B12 vitamin supplements over 10 years with an increase in lung cancer risk in men, especially smokers (Brasky, 2017)
Changing the liquid volume changes concentration, which changes the draw volume for the same target amount
This has potential relevance for circulatory conditions, but human data is limited
Storage: 28C, protect from light
Around 90% of administered lidocaine HCl is excreted in various metabolite forms, with less than 10% excreted unchanged
(PubMed) Carr AC, Lunt H, Wareham NJ, Myint PK