Severe allergic reaction/anaphylaxis Symptoms may include: Difficulty breathing or swallowing Swelling of the face, lips, tongue, or throat Severe rash, itching, or hives Chest tightness or palpitations
Refrigerating unopened vials extends shelf life even further
These may include: ( 4 ) Fatigue or lack of energy Brain fog or trouble concentrating Irritability or mood swings Pale skin or shortness of breath Tingling in the hands and feet Difficulty walking or staggering Anemia Swollen or inflamed tongue A B12 deficiency in men may also contribute to low testosterone, weight gain, and poor exercise recoverymaking it a hidden factor in many mens health concerns
Methionine Methionine, an important amino acid containing sulfur, undergoes transmethylation processes to produce metabolic byproducts such S-adenosylmethionine (SAM) and homocysteine
And yes don't shake it
In addition to reducing or eliminating the symptoms of B12 deficiency, research suggests that B12 shots may: Reduce stress (7) Support central nervous system function, red blood cell formation, and DNA synthesis (2) Reduce the risk of vision loss from age-related macular degeneration (8) Lower homocysteine levels, which is associated with cardiovascular disease and stroke (9, 10)