What Are Amino Acids and Why Are They Important?
Learn what amino acids are and how BCAAs, EAAs, and glutamine support muscle recovery, performance, and overall health.
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L-Lysine is an essential amino acid that must be obtained through the diet or through supplementation.* Lysine is necessary for the production of all proteins in the body, and is required for the maintenance of the structural proteins collagen and elastin, which form all connective tissue such as skin, tendon, and bone.* L-Lysine is also a precursor to L-carnitine, which is needed for fat metabolism and energy production.* In addition, L-Lysine may help to support a healthy immune system and proper cardiovascular function.*
NOW® L-Lysine is a Pharmaceutical Grade essential amino acid.
Natural color variation may occur in this product.
*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure or prevent any disease.
Important: Always read and follow label directions before use. Consult a qualified healthcare professional prior to using this product if you are pregnant, nursing, have a medical condition, or are taking medication. Discontinue use if adverse reactions occur.
Learn what amino acids are and how BCAAs, EAAs, and glutamine support muscle recovery, performance, and overall health.
Not sure how to combine your supplements? Learn how protein, creatine, amino acids, HMB, and testosterone support work together to support muscle growth and recovery.
Learn the benefits of glutamine for muscle recovery, immune support, and gut health, including how much to take and when to use it.
Learn when to take amino acids for muscle growth, recovery, and performance, including pre-workout, intra-workout, and post-workout timing.
Are you using the right supplements to gain muscle? Explore how creatine, whey protein, EAAs, HMB, mass gainers, and testosterone support products can help support faster progress.
Want to build muscle faster? Learn how training, nutrition, and the right supplements—like protein, creatine, HMB, and testosterone support—work together to maximize results.
What’s the difference between BCAAs and EAAs? Learn how branched-chain and essential amino acids support muscle growth, recovery, and workout performance.
Which supplements actually help you build muscle? Discover the most effective options for strength and size, including protein, creatine, amino acids, HMB, and testosterone support supplements.
Disclaimer: The information provided on this website is for general informational purposes only and is not intended as medical advice. Dietary supplements are not intended to diagnose, treat, cure, or prevent any disease. Always read and follow product label directions. Consult a qualified healthcare professional before using supplements, especially if you are pregnant, nursing, have a medical condition, or are taking medication.