The demand has given rise to a burgeoning gray market, where wellness spas, multilevel marketers and telehealth websites ply the public with vials of research grade peptides labeled not for human use. More people want to use them, said Lauren Colenso-Semple, a muscle physiology researcher and science communication specialist who follows scientific studies of peptides as part of her work
They are also beneficial for those with B12 deficiency, vegetarians, vegans, and individuals with certain medical conditions that affect B12 absorption
That is not speculation
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The signs and symptoms of B12 deficiency that indicate you may benefit from vitamin B12 injections include: chronic fatigue, lethargy and weakness Muscle aches, joint pain and trouble exercising Poor memory, inability to concentrate and other cognitive problems associated with aging Mood changes, like increased depression and anxiety, or signs of nervousness like rapid heartbeats/palpitations Poor dental health, including bleeding gums and mouth sores Shortness of breath and feeling dizzy Poor appetite or digestive problems, like constipation, nausea, diarrhea or cramping Sometimes greater risk for problems like cardiovascular complications or even cancer (due to a rise in homocysteine levels) Why might you be low in vitamin B12, even if you eat a relatively healthy diet
