Contraindications, Drug Interactions, and Monitoring Important precautions include: Avoiding use in active, untreated malignancies due to theoretical tumor-promotion concerns Using caution with immunosuppressants Monitoring blood pressure and liver enzymes if treatment exceeds six weeks Consulting a healthcare professional if you have bleeding disorders or take anticoagulants Bodybuilders who use multiple compounds should be especially careful because side effects and interactions may be harder to identify
Proponents of GHK-Cu, a peptide found in human plasma, say it boosts collagen production and improves hair and skin
Nature 380:435439 Henry TD, Annex BH, McKendall GR, Azrin MA, Lopez JJ, Giordano FJ, Shah PK, Willerson JT, Benza RL, Berman DS et al (2003) The VIVA trial: vascular endothelial growth factor in ischemia for vascular angiogenesis
Notably, some practitioners are utilizing compounding pharmacies to obtain BPC-157