On the cognitive side, brain fog, slower reaction time, difficulty concentrating, and headaches are common
This is because studies have reported that the interactions between tetracycline and vitamin B12 can reduce absorption and effectiveness of the antibiotic
01/2021 MG #10565 Container NDC 0517-0031-01 Rx Only Cyanocobalamin Injection, USP 1,000 mcg/mL For IM or SC Use Only 1 mL Multiple-Dose Vial AMERICAN REGENT, INC
Researchers must handle this product with appropriate safety protocols and comply with all applicable regulations
Medically reviewed by Veronica Hackethal | MD, MSc , Harvard University | University of Oxford | Columbia Vagelos College of Physicians and Surgeons on April 23rd, 2026
References 1.Ludwig J, Hashimoto E, McGill DB, van Heerden JA