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As people age, they sometimes have trouble absorbing vitamin B12, even when taking pills by mouth, which is when vitamin B12 injections may be considered

Zhang, J., Lo, H

For long-term maintenance, most healthcare providers recommend one B12 injection every 4 to 12 weeks

Additionally, it appears to help balance the release of hormones such as adrenocorticotropic hormone (ACTH) and luteinizing hormone, which are essential for stress response and reproduction

361(c)) if it has been prepared, packed, or held under insanitary conditions whereby it may have become contaminated with filth, or whereby it may have been rendered injurious to health. 25 The agency notes that some of the conditions that cause drug products to be adulterated may also cause cosmetic products to be adulterated

Lets jump into the research and expert advice to look at the key differences between the two medications, how they work, and what option might be best for you