L-Lysine 1000 mg

L-Lysine is an essential amino acid which must be supplied from nutritional sources and is a building block of protein.*

For over 30 years, 21^ST Century Vitamins has provided trusted vitamins and supplements by upholding the highest standards of quality in every product we offer. From sourcing the finest ingredients to rigorous testing and production processes, we ensure that every product meets our stringent quality benchmarks. We are here to support your wellness every step of the way.