Human chorionic gonadotropin (HCG), a hormone that stimulates progesterone production during pregnancy, is sometimes used for luteal phase support but is used with caution since it is more likely than other methods to induce ovarian hyperstimulation syndrome
Last Updated: March 31, 2026 | Reading Time: Approximately 10 minutes | Author: Palmetto Peptides Research Team Quick Answer GHK-Cu is more stable than many research peptides when stored correctly, but its copper-binding chemistry introduces degradation considerations that do not apply to unbound peptides
Human studies, while smaller in scale, support both efficacy and safety over extended periods
The non-binding recommendation differs from FDA staff briefing materials, which had proposed that the substances should not be included
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Taking additional B12 hasnt been found to be of benefit, Dr