That drop correlates directly with slower skin repair, reduced collagen production, increased inflammation, and critically accelerated hair follicle miniaturization
Vitamin D, vitamin B12, and ferritin require testing before supplementing, but also give great results so be sure to request lab tests for these three nutrients, to see if you would benefit from supplementation
Serum vitamin B12 levels and glycemic fluctuation in patients with type 2 diabetes mellitus
IGF-1 LR3 , Ipamorelin, and Hexarelin are also top contenders, each with their own unique benefits and effects on muscle growth
Synthesizing this data into actionable dosing protocols requires understanding the context behind each number