Vitamin B12 is found almost exclusively in animal-based foods, which makes it one of the most common nutritional gaps for vegans, vegetarians, and older adults whose absorption naturally declines with age.

Biogena's Vitamin B12 Drops offer a liquid alternative for anyone who'd rather skip the capsule.

What sets this formula apart is its "MHA" approach: it combines all three forms of vitamin B12 that occur naturally in the human body — methylcobalamin (M), hydroxocobalamin (H), and adenosylcobalamin (A) — in a single product, rather than relying on just one synthetic form. Each 0.5 ml dose delivers a concentrated 500 µg of B12.

Because it's a liquid, the B12 in this formula can be absorbed passively through the intestinal lining, bypassing the need for "intrinsic factor" — a stomach protein required to absorb B12 from food and standard tablets, which doesn't function optimally in everyone (including many older adults and people with certain digestive conditions).

This makes the drops a practical option for those with absorption concerns, not just a matter of preference over swallowing capsules.

The formula is naturally sweetened and flavored with a blend of plum, apple, and black currant juice concentrates rather than artificial flavoring, and Biogena manufactures it under the same purity standards applied across its product range — free from artificial colorings and produced in the company's Salzburg, Austria facility.