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Huang T, Song X, Yang Y, Wan X, Alvarez AA, Sastry N

Scientists suggest that this peptide may potentially enhance the growth hormone production by these cells, thereby resulting in elevation of GH concentrations by 2- to 10-fold. [5] Moreover, the increase in growth hormone appears to be sufficiently lasting to cause a increase in some of the main anabolic mediators of the hormone, such as the so-called insulin-like growth factor 1 (IGF-1)

In mitochondrial disease there is low inter-cellular ATP

So, when picking between them, it really comes down to your preferences and what your doc recommends

The company says it collaborates with health experts (a doctor, a former professor of medicine, a specialist in scientific information) to get their opinions and have certain recommendations regarding their products, but we do not have their identities