The most common symptoms include fatigue, pale or yellow skin, difficulty concentrating, headaches, gastrointestinal upset, depression, and numbness or tingling in the hands or feet
Some are stable at room temperature, while others need refrigeration to preserve their potency and safety
J Pain Res 12:545-556, 2019
This is not a small problem when you are working with a vial that contains enough peptide for four to twenty-four weeks of research, depending on your dose
When your body lacks the proper amount of specific vitamins, it often leads to an increased risk of other health problems and requires additional supplementation beyond food or drink
What are the common US prescription formulations for vitamin B12 injections