Avoid foods such as eggs, legumes, certain meats, fish, and foods that contain choline, nitrogen, and sulfur.
Use soaps with a moderate pH, between 5.5 and 6.5.
Take capsules of charcoal and also chlorella.
In people that took charcoal and/or copper chlorophyllin, 85% completely lost their "fishy" odor, and 5% partially lost their odor.