Dosage: 4 sprays of Boost B12 oral spray contains: Vitamin B12 - 1200mcg, Chromium - 40mcg, Green Tea Extract - 0.5mg. Yes, our B-complete and B12 can be taken together, there is a lower dosage of B12 in the B-complete (100μg per 4 sprays) compared to that dosage in the Boost B12 (1200μg per 4 sprays).
