B12 is water-soluble, so excess amounts are excreted naturally, making it very safe even in higher doses
In addition, it possesses anti-inflammatory properties
Researchers specifically targeting skin aging should consider GHK-Cu as the primary copper peptide, potentially adding AHK-Cu if scalp health is also a concern
No large published human clinical trials exist as of 2026 for any form
There is research suggesting that methylcobalamin may be particularly supportive in neurological conditions compared to cyanocobalamin, likely because of its direct involvement in methylation and nerve tissue repair
In clinical contexts, AOD 9604 has also been evaluated in obesity-related trials, where ongoing work continues to assess its potential role