Natures plus vitamin b 12 herbal lozenges 1000 mcg is a delicious raspberry flavoured herbal lozenges that supply a powerful daily measure of vitamin b 12 and allow fast maximum absorption natures plus vitamin b 12 herbal lozenges 1000 mcg contain 1000 mcg of this essential vitamin plus a special combination of herbs as with all the b vitamins b12 has a broad range of physiological roles and benefits but is best known for the nutritional support of red blood cells