Perfect if you enjoy an active lifestyle, vitamin B12 reduces tiredness and fatigue, supports energy metabolism and aids psychological function. These handy, high-strength sublingual tablets from Swanson Health each contain 1000µg of vitamin B12, as well as 400µg of folic acid. Perfect if you enjoy an active lifestyle, vitamin B12 reduces tiredness and fatigue, supports energy metabolism and aids psychological function. These handy, high-strength sublingual tablets from Swanson Health each contain 1000µg of vitamin B12, as well as 400µg of folic acid. Complements a well-balanced diet. 1000µg of Vitamin B12 per sublingual tablet. Vitamin B12 reduces fatigue, supports energy metabolism and aids psychological function. Vitamin B12 supports normal immune function. 400µg of folic acid per sublingual tablet. Suitable for vegetarians. Delicious strawberry flavour. 60 sublingual tablets per pack Ultra Vitamin B-12 with Folic Acid from Swanson Health combines the essential vitamin B12 with folic acid! Get yours now.