Methionine 1000mg from Amix Greenday is a food supplement formulated only with pure L-Methionine, an essential amino acid that is only obtained through the diet. Format: Bottle of 120 Capsules. How to use: Take 2 capsules with 200 ml of water before physical activity or 30-60 minutes before a meal or 30-60 minutes before going to bed. Dietary supplement.