Rare side effects Increased appetite: Paradoxical for a fat loss peptide, but some users report increased hunger
Here are the mistakes that cause this, ranked by how often researchers make them
Severe Hypokalemia: A Critical Drop in Potassium Levels One of the most serious complications of B12 replacement therapy in severe megaloblastic anemia (a type of anemia where blood cells are abnormally large) is the development of severe hypokalemia (dangerously low potassium levels in the blood)
Some peptides are not FDA-approved for anti-aging, weight loss, or wellness indications
If you have elevated B12 and symptoms like fatigue, weight loss, or abdominal pain, the symptoms are likely from the underlying cause of the elevation , not from the B12 itself
That said, signs or symptoms that you may be low in vitamin B12 include: fatigue pale skin headaches symptoms of depression stomach issues difficulty focusing or concentrating pain or inflammation in the mouth or on the tongue burning or pins and needles feeling in your hands or feet muscle cramps vision changes Learn more: Signs and symptoms of B12 deficiency