Both red pepper and black pepper caused significant increases in parietal secretion, pepsin secretion, and potassium loss. Gastric cell exfoliation (as reflected in DNA loss into gastric contents) was increased after red or black pepper administration; the increase after red pepper administration was dose dependent.
L-lysine may work the same way on virus that causes shingles, however UMHS cautions that this remains unproven. Sources. Nutritional medicine specialist Alan R. Gaby, M.D. explains that foods such as turkey, chicken, salmon, tuna, halibut, sardines, cheese, tofu and beans contain relatively high amounts of L-lysine and low amounts of L-arginine.
1 Cold sores (herpes simplex labialis) . 2  Research suggests that lysine seems to reduce cold sores when taken by mouth and also when applied as a cream to the skin. 3  However, some research suggests that it does not reduce the severity or recurrence of cold sores.