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What about human studies

They work best as part of a comprehensive plan that includes proper nutrition and physical activity

They are basically molecules that combine to form proteins, which are crucial for various functions in the human body, such as physical structure and growth, metabolism, muscle contraction, sexual arousal, immune system function, blood oxygenation, etc

Peptides sold online are almost always labeled "research grade" or "not for human use," meaning they are unregulated and carry no guarantees of purity, potency, or sterility

(Although the peptide aims to free p53 to kill senescent cells, not inhibit p53)