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Typically 24 to 36 months when stored as per guidelines
B12 injection
Beef liver is the highest in B12
The copper binding affinity of AHK is similar to GHK, though subtle differences in coordination geometry and redox potential have been suggested
Because of its role in energy metabolism, its sometimes called the energy vitamin. Most Popular The best sources of B12 are organ meats like liver and kidney, as well as beef, fish, shellfish, chicken, dairy products and eggs, Yourman says
Shanker, J.M
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