Seeking Health - Active B12 with L-5-MTHF - 60 Lozenges Active B12 with L-5-MTHF Lozenges by Seeking Health provides 800 mcg of pure non-racemic L-methylfolate in an easy-to-deliver lozenge along with two active “coenzyme” forms of vitamin B12. As “coenzyme” forms methylcobalamin and adenosylcobalam