b12 and iron injections China Dextran Injection Manufacture and Factory B12 Shots vs. IV Infusions:

Comprehensive Hormonal Analysis: Measures levels of sex and adrenal hormones (such as cortisol, estrogen/estradiol, and testosterone), melatonin, and their metabolites

Dont combine AHK-Cu (or any copper peptides, for that matter) with acids such as vitamin C, AHAs, or BHAs

In many patients with severe primary IGF-I deficiency (SPIGFD) defined by low IGF-I (less than 3 SDS or the 2.5 th percentile), severe short stature (Height SDS less than 3), normal GH secretion and absence of acquired insensitivity to GH (discussed below) genetic defects may be absent

Am J Clin Nutr 108:612

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Association of biochemical B 12 deficiency with metformin therapy and vitamin B 12 supplements: The National Health and Nutrition Examination Survey, 1999-2006 Diabetes Care