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Low B12 is one of the most common causes of fatigue and brain fog
Its strongest evidence base is tendon and ligament healing, gut mucosal repair, and the tendon-to-bone junction

The Different Forms of B12 Not all B12 is the same

On the 15th day, the tissue in the wound area of the GHK and RGD-GHK groups exhibited a deeper blue color compared to other two groups, indicating higher collagen levels (Figure 7H)

[DOI] [PubMed] [Google Scholar] Bao X
