It is freely soluble in water or ethanol, practically insoluble in acetone or diethyl ether, and freely soluble in formic acid
But if that vial actually contains 7.79mg (the low end of tested 10mg vials), your actual concentration is 3.895mg/mL, not 5mg/mL
41 Studies have found that individuals with lower CYP1A2 activity have increased reports of symptoms of toxicity, as caffeine is hepatically metabolized by CYP1A2 which causes caffeine to be absorbed more slowly
In more extreme cases, drinking too much plain water without replacing electrolytes can dangerously dilute blood sodium, a condition called hyponatremia, with serious neurological consequences
They work by lowering blood sugar and suppressing appetite, slowing stomach emptying and thus reducing sugar release into the bloodstream