This is plausible biology
Recommended Dietary Allowance (RDA) for pregnancy is 2.6 micrograms per day (g/d), for lactation 2.8 g/d
In addition, GHK-Cu influences cellular proliferation, migration, and differentiation, supporting angiogenesis and stem cell function, ultimately promoting tissue repair and remodeling in diverse tissues including skin, bone, and lung 1-4
Vitamin B12 Injections at House of Aesthetics Medi Spa For those who find it difficult to maintain adequate vitamin B12 levels due to absorption problems or dietary restrictions, vitamin B12 injections can be a beneficial solution
Typical administration guidelines: Dosage: 1 to 2 mL per injection
doi: 10.1016/s0305-4179(01)00055-9