Prairie Naturals Lysine 500mg- 90 capsules- helps to reduce the recurrent of herpes simplex virus(HSV) infection (i.e.: cold sores) and is an essential amino acid. Lysine also helps in collagen formation. Non-GMO, Gluten Free

Stop cold sores. This essential amino acid is proven most effective against Herpes Simplex I, the common virus that causes cold sores and shingles. Supplementation with this free-form L-lysine greatly controls the virus, reducing the frequency, intensity and duration of outbreaks and the associated fatigue and pain. One of the truly effective, fast-acting and affordable natural remedies for cold sores and shingles.