Vacchina V, Mari S, Czernic P, Marques L, Pianelli K, Schaumloffel D, Lebrun M, Lobinski R: Speciation of nickel in a hyperaccumulating plant by high-performance liquid chromatography-inductively coupled plasma mass spectrometry and electrospray MS/MS assisted by cloning using yeast complementation
This remains an actively moving area, however: on February 27, 2026, the HHS Secretary publicly announced an intent to move roughly 14 of the 19 Category 2-listed peptides, reportedly including ipamorelin and CJC-1295, back toward Category 1 status, and multiple industry and legal-news outlets reported further FDA action in the following months easing Category 2-related restrictions on this group of peptides
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A big salad may be beautiful, but still too much volume
Peptides in this category are also being explored for their potential involvement in circadian rhythm regulation, hypothalamic-pituitary-adrenal (HPA) axis response, and neuroinflammatory pathways
