DOI: 10.1016/j.jep.2023.116958, Huang, C
IGF-1 mirrors HGH excesses and deficiencies, but the level in the blood is stable throughout the day, making it a more useful indicator of average HGH levels than testing for HGH
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Challenges persist around regulatory compliance, ingredient sourcing costs, and counterfeit products
[Ingredients] Dried brewer's yeast (manufactured in Japan), yeast extract powder (yeast extract, dextrin), starch, porcine placenta extract powder, royal jelly powder, fish collagen peptide, hyaluronic acid, centella asiatica extract powder, salmon nasal cartilage extract, bonito elastin / hydroxypropyl methylcellulose, cellulose, vitamin C, calcium stearate, fine silicon dioxide, caramel color, vitamin B1, vitamin B12 This is a new, unopened product