Quality varies significantly by compounding pharmacy this matters for potency and sterility
By entering the vial size, reconstitution volume, and desired dose, researchers can quickly see how many injections are possible and what each draw should be
After 4 to 8 weeks on, taking 2 to 4 weeks off and seeing if anything changes gives you some information about whether the compound is producing effects you care about
If you require injectable vitamin B12, your doctor will advise on the dosage
Avoid sweating, swimming, saunas, and vigorous exercise for 24-48 hours to prevent infection and irritation
The duration of the effects of B12 injections varies depending on individual factors such as metabolism and the frequency of injections