can you od on bpc 157 bpc-157 safety clinical data NBC News Overdoses on opioids in 2023:

Sites Abdomen (2 from navel) Thighs/arms Rotate to avoid irritation Needles 29-31G insulin syringes 0.5-1 mL, length Reconstitution (10 mg Vial) Add 2 mL bacteriostatic water (0.9% benzyl alcohol)

10.1186/s13045-017-0457-4 68 MengY.QiuL.ZengX.HuX.ZhangY.WanX.et al (2022)

They can assess your symptoms, run additional tests, and help determine the cause of your lack of response to B12

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A clinical trial of 71 women with mild to advanced photoaging found that daily application of a GHK-Cu facial cream for three months significantly increased skin density and thickness, reduced sagging, and improved the appearance of fine lines and wrinkles compared to placebo

They have been used in clinical medicine for decades