Because it is so versatile, it is often considered a "conditionally essential" amino acid, meaning that while you usually make enough, there are many real-world scenarios where you might need an extra boost from your diet or a high-quality supplement
Yildiz B, Kural N, Colak O, Ak I, Akcar N: IGF-1, IGFBP-3, VEGF and MMP-9 levels and their potential relationship with renal functions in patients with compensatory renal growth
Immunoblot analysis For detection of Gclc (Santa Cruz Biotechnology sc-390811), Pdha-1 (Abcam ab168379), DRP1 (Abcam ab184247), eIF4E (Abcam ab33766), p-eIF4E (Abcam ab76256), 4E-BP1 (Cell signaling 9452), p-4E-BP1 (Cell signaling 2855), DRP1 (Abcam ab184247), mTOR (Cell Signaling 2972), p-mTOR (Ser2448) (Cell Signaling 2971), p70 S6 (Cell Signaling 9202), p-p70 S6 (Thr421/Ser424) (Cell Signaling 9204), 15 10 6 cells were lysed with lysis buffer (CST 9803S) and protein/phosphatases inhibitors as per manufacturers protocol and blotted as described 44
Growth Horm IGF Res (2005) 15:31323
J Inherited Metab Dis (2010) 33:46977
Always discuss your full medical history and current medications with your provider before starting a new therapy