Some protocols use 2mg administered 2 to 3 times per week, totaling 4 to 6mg weekly
Mller TD, Blher M, Tschp MH, et al
Rosenstock J, Perkovic V, Johansen OE et al (2019) Effect of linagliptin vs placebo on major cardiovascular events in adults with type 2 diabetes and high cardiovascular and renal risk: the CARMELINA randomized clinical trial
27 (4), 110 (2020) Fujisawa, H., Suma, K., Origuchi, K., Kumagai, H., Seki, T., Ariga, T.: Biological and chemical stability of garlic-derived allicin
If you don't have the biological support to dampen these signals, the discomfort and "food noise" become mentally exhausting, leading to a "willpower burnout" within 36 months
For syringes specifically, carry slightly more than you think you need