The 12mg dose at 120 units (1.20mL) is borderline and can be handled with a single draw using a syringe rated for at least 1.2mL, or a clean 60/60 unit split using two standard syringes
Porter GA, Urciuoli WR, Brookes PS, Nadtochiy SM
But three things limit what these animal studies can tell us
If you cannot keep fluids down, call NHS 111 rather than waiting for symptoms to pass
Products designed for endurance athletes often contain very high sodium levels that may not be suitable for everyday use, particularly for individuals with hypertension or cardiovascular conditions
Hypercalciuria may be related to problems in the digestive tract that lead to increased calcium absorption, or dysfunctional renal calcium handling, but often no underlying cause is identified (Aliotta 2015)