feeling tired after b12 injections I Feel All the Time. Do I Need a Shot?: Shawn Veiseh, M.D.: Family Medicine feeling tired after b12 injections

Here, they get monthly vitamin B12 injections

And in a third study, infertile men treated with vitamin D showed increased sperm motility by about double as well as a significantly higher number of pregnancies

Beyond direct receptor activation, research has reported upregulation of growth hormone receptor expression in tendon fibroblasts following BPC-157 exposure, alongside enhanced cell migration and survival in tissue-repair models (PMID 21030672)

doi: 10.1111/evo.13445 52

however, this is FDA staff's proposed position going into the meeting, not a final action, and the committee's discussion, any vote, and FDA's ultimate decision are still pending, so the outcome of the review is not yet known