Also, we have to agree with TruthInAging, that it's not a collagen builder and not a preventer of structural aging (think vitamin C, AHAs or retinol)
Second, protein aggregates can trigger immune responses, potentially causing injection site reactions or, in rare cases, the development of anti-drug antibodies that neutralize future doses
Mechanistically, this interaction is theorized to involve G-protein coupling, second messengers such as cAMP and IP3, and activation of protein kinases that regulate cellular signaling cascades
Receiving it from an unverified source may expose you to untested ingredients or incorrect dosages, which could pose serious safety risks
Bahri Khomami M, Shorakae S, Hashemi S, et al