Trimmers day time work through a process of thermogenics, a revolutionary process where the body loses stored calories through heat and energy. The day time product includes four essential ingredients:magnesium for increased energy levels;vitamin E and zinc for healtheir skin ,hair and nails;and chromium which helps eliminate fat. The day time trimmers come in handy trail sized tubs (12 capsules), weekly tubs(28 capsules) and larger tubs of 150 capsules. Trimmers day, Night and phase 2 Extra can be used in conjunction with one another.