April 22, 2026: Removed from Category 2 On April 15, 2026, the FDA published a 503A category revision removing 12 peptides from Category 2 effective seven calendar days later (April 22)
It was proved that oral 1,000 mcg of B12 is only absorbed by 1.3% of the body, but the absorption rates of B12 shots are between 55% to 97%
This combination is most often discussed by people dealing with tendon issues, recurring soft-tissue injuries, training-related inflammation, or recovery limitations
It is a useful reminder to consider vitamin B12 deficiency in people taking metformin who have megaloblastic anaemia, neuropathy or other symptoms suggestive of deficiency
Your provider will discuss which tests are appropriate during your consultation based on your goals and health history