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Mood Changes and Depression Vitamin B12 plays a key role in the production of serotonin, a neurotransmitter that helps regulate mood
PMID: 23876621 | doi:10.1016/j.tig.2013.06.007 Caputi S et al
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For someone mainly interested in skin tightening, tissue repair, or age-related skin changes, GHK-Cu is generally the more extensively researched of the two
Frequently Asked Questions Please Read Before First Use Q: I felt nausea, warmth, or slight discomfort after taking it
Re-cap the vial immediately after withdrawal
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