Jarrow Formulas Methyl B-12 500 mcg - 100 Lozenges Jarrow Formulas Methyl B-12 Methylcobalamin is better absorbed and retained than other forms of B12 (e.g. cyanocobalamin). Jarrow Formulas Methyl B-12 protects nerve tissue and brain cells promotes better sleep. Jarrow Formulas Methyl B-12 reduces t