bpc 157 wada ban Athlete Advisory: Explanation of Key Changes on 2022 Prohibited List Rules and Risks of BPC-157
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Semax administration produces lower CNS bioavailability (~2030% versus intranasal ~80%) and is used for peripheral or mixed CNS/peripheral research

Does elevated vitamin B12 always point to an underlying medical condition

Methylation issues are very common (up to 40% of patients) and many patients unknowingly supplement with cyanocobalamin which may increase serum levels but will not improve symptoms 5

Pale or Jaundiced Skin: A lack of B12 may lead to anaemia, giving the skin a pale or slightly yellowish tone
Sarah Whelan, Science Writer for Technology Networks.

It is best to follow a healthcare professionals guidance on whether they recommend vitamin B12 supplements based on individual circumstances.