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doi:10.1038/sj.ijo.0801740 What is AOD 9604 (5mg)

[4] The second activation step takes place predominantly in the kidneys where 1-hydroxylase converts 25-hydroxyvitamin D to 1,25-dihydroxyvitamin D (calcitriol), an active secosteroid hormone that binds nuclear receptors in enterocytes, osteoblasts, renal tubules, parathyroid cells, and numerous immune and endocrine cells to modulate hundreds of genes involved in calcium-phosphate homeostasis, skeletal remodelling, and immunoregulation

Cobalamin also plays a crucial role in the nervous system

Authentic AHK-Cu naturally presents a distinct blue color when dissolved due to the bound copper ions