Liquid vitamin B12 in a simple, purified water base Effective - for nervous system support, energy and immunity Optimum support - contains 50mcg of vitamin B12 in optimally absorbed hydroxocobalamin form Flexible - only use what you need. Drop straight under the tongue for maximum absorption or mix into liquids Flexible - use on the go. An alternative to tablets or capsules or for those with digestive and absorption difficulties No unnecessary additives or allergens - in a simple, purified water base Environmentally friendly - recyclable packaging Trusted - we've been helping to shape a healthier society for over 30 years Suitable for vegetarians and vegans Approximately 30 days' supply at 10 drops per day