how often do you have to get b12 injections Should I Shots? A Guide Your Schedule Vitamin B12: How Frequently Should

Diminishing returns and more side effects are reported above 150 mg

Women's dosing context Research-community protocols often use the lower end of the dose range for women: 100-200 mcg per shot

Studies suggest a modest increase in circulating glucose and lactate concentrations, concurrent with a reduction in the active-to-inactive ratio of glycogen synthase across multiple tissues, including liver, skeletal muscle cells, and adipose depots

Tirzepatide once weekly for the treatment of obesity (SURMOUNT-1)

That is not always obvious at the time, which is why dose and schedule should be set against a confirmed clinical picture rather than guesswork