With so many advantages of using lysine, no wonder there are tons of brands today that offer it. Here are the top ones to pick from – NOW Foods L-Lysine, Designs for Health L-Lysine HCL Capsules, Solgar L-Lysine, Superior Labs – Best L-Lysine Capsules, Pure Encapsulations – l-Lysine, Thorne Research – L-Lysine, Quantum Health Super Lysine+, Amazon Elements Lysine Complex With Vitamin C and Nutricost L-Lysine. Of course, the final decision also depends on your doctor and the dosage that you require. However, choosing from any of these is a pretty good deal.