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.
There have been various studies that link cold sore and lysine treatment. These studies have claimed that lysine helps in healing and preventing cold sores. The recommended daily dose of lysine for prevention is between 1500-3000mg. If you feel an outbreak coming on, you will want to increase your dosage to 3000 mg.