L-lysine is an essential amino acid (meaning your body cannot manufacture it on its own) that acts as a natural stress fighter. It’s also highly effective at promoting a healthy immune response. L-lysine is required for normal growth and development in infants and for maintaining nitrogen balance in adults. Good sources of L-lysine include meat, fish, legumes, and dairy products. Swanson sells several high-quality, and highly-rated L-lysine supplements from a variety of brands to fit your needs. Check out some of the products and their reviews below.
†Ratings based on results of the 2015 ConsumerLab.com Vitamin and Supplement Users Survey. More information at www.consumerlab.com/survey2015.
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