The AAFPs evidence-based clinical review states directly: Oral administration of high-dose vitamin B12 (1 to 2 mg daily) is as effective as intramuscular administration for correcting anemia and neurologic symptoms in patients with B12 deficiency (Langan RC, Goodbred AJ, American Family Physician, 2017)
However, baseline labs are recommended for safety and to further customize your plan
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(7) Kong YX, Li ZS, Liu YB, Pan B, Fu X, Xiao R, Yan L
The 3% GHK VIP Luxury Serum represents the highest concentration topical GHK-Cu product from the scientist who discovered the molecule
Bottom Line If youre in a drug-tested sport , you should avoid BPC-157 due to its WADA ban