Cortisol reduces stomach acid levels, which interferes with the release and absorption of Vitamin B12 from food
Its natural to worry a little after any shot
In addition, it helps our body convert fat and carbohydrates to energy, however if your B12 is low, this can severely hinder this process
It also has shown effective for treatment of nerve pain, cancer, and high cholesterol
Although it can also occur due to various other reasons like stress, excess caffeine, or usage of certain medications, anemia is the main cause behind it
People with very high starting weights may lose more in the initial weeks due to water weight shifts, but this rapid loss does not reflect actual fat loss and does not continue at the same rate