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Yes, each batch is paired with a third-party Certificate of Analysis showing purity and identity results

In animal models the parent compound is described as relatively short-lived in plasma but with effects persisting longer than the systemic exposure window a profile the Zagreb group attributes to its stability in the gastrointestinal lumen and to downstream signaling cascades (Sikiric et al., 2018)

Both peptides stimulate angiogenic processes, which is why a theoretical risk of tumor growth is discussed

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