Similar to all applicants for contractor licenses, applicants seeking the C-22 Asbestos Abatement classification use the existing application forms â whether an application for an original license or an application to add a classification to an existing license.
B12 Side Effects. B12 occurs naturally in three forms: methylcobalamin, adenosylcobalamin, and hydroxocobalamin. Cyanocobalamin was created years ago in a lab using cyanide as a means for stabilization, and many low-quality supplements include this form.ome side effects have been reported for patients receiving cyanocobalamin injection. These include itching, acne, nausea, diarrhea, vascular thrombosis, headache, nervousness, and dizziness. Based on studies involving individuals, it appears 1 mg of cyanocobalamin via injection does not create any notable side effects.
Symptoms of vitamin B12 deficiency. Anaemia and anaemia caused by a lack of vitamin B12 can result in symptoms which include: 1  Extreme tiredness or fatigue. 2  A lack of energy or lethargy.3  Being out of breath. 4  Feeling faint. 5  Headache. 6  Ringing in the ears (tinnitus). 7  Lack of appetite.naemia and anaemia caused by a lack of vitamin B12 can result in symptoms which include: 1  Extreme tiredness or fatigue. 2  A lack of energy or lethargy. 3  Being out of breath. 4  Feeling faint. 5  Headache. 6  Ringing in the ears (tinnitus).