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J Biol Chem 279:1661416620

Mechanism of Action: How GHK-CU Behaves in Laboratory Models GHK-CU interacts with biological systems through several interconnected mechanisms, many of which have been documented across a substantial body of peer-reviewed research

If youre a vegetarian or vegan, or are looking for alternatives to meat and dairy products, there are other foods that contain vitamin B12, such as yeast extract (including Marmite), as well as some fortified breakfast cereals and soy products
