Lethargy Muscle weakness Mood swings Memory loss Tingling in the fingers and toes Weight gain Though B12 is found in many different foods, including meat, eggs, and fortified grains, it may be difficult to get enough of this nutrient from your diet, especially if you are following a specific diet for weight loss
While you may not feel you need to, gently massage the site if there is soreness may help alleviate that sensation
Some research framings use a 5-days-on / 2-off pattern to build in a weekly break
Safety and Tolerability of the Hexadecapeptide AOD 9604 in Humans. Journal of Endocrinology & Metabolism , 2013
B12 plays an essential role in red blood cell formation helping to prevent a type of anaemia, cell metabolism, nerve function and the production of DNA - the building blocks for all your body's cells
However, the minimum cutoff level is still too low at 200 pg/mL