ghk-cu injection or topical vs Part 2 of my favourite

Platelet-rich plasma (PRP) has become widely used in various areas of orthopaedics, with some studies demonstrating improved tendon healing using PRP compared with controls but significant improvement in symptoms has not been found when using PRP to treat Achilles tendinopathy

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244 QuL.LinB.ZengW.FanC.WuH.GeY.et al (2022)

Ultimately, the most appropriate form of B12 is the one that effectively treats or prevents deficiency, is taken consistently, and is suitable for the individual's specific condition

Drug concentrations are affected by the abnormal and immature tumor vasculature system, as well as by the activation of drug efflux transporters under the hypoxic tumor environment 52