A method for treatment of constipation and other ailments of the gastrointestinal system includes administering a pharmaceutically effective amount of a composition over a sufficient period of time that results in the production of nitric oxide in gastrointestinal cells and ultimately has beneficial results in treating constipation and other ailments of the gastrointestinal system. The composition comprises ginger or a ginger derivative, muira puama, and paullinia cupana that stimulates nitric oxide in gastrointestinal cells to increase NO and improve bowel functioning thereof.

Provided are compositions and methods for increasing mitochondrial activity, increasing exercise performance, or combinations thereof. The compositions include one or more performance-enhancing components that increase ATP generation within the mitochondria leading to improved exercise performance, preventing athletic fatigue, such as sustaining energy levels and avoiding a subsequent energy level crash, or any combination thereof, when consumed by a subject.

Provided are compositions and methods for increasing mitochondrial activity, increasing exercise performance, or combinations thereof. The compositions include one or more performance-enhancing components that increase ATP generation within the mitochondria leading to improved exercise performance, preventing athletic fatigue, such as sustaining energy levels and avoiding a subsequent energy level crash, or any combination thereof, when consumed by a subject.

The invention provides citrulline or a salt thereof and glutathione or a salt thereof for use in increasing a ratio of muscle mass to total body weight in a person in conjunction with a resistance workout program, as well as a method of increasing a ratio of muscle mass to total body weight in a person by administering citrulline or a salt thereof and glutathione or a salt thereof to the person in conjunction with a resistance workout program. The citrulline and glutathione or salts thereof are administered daily for a period greater than 7 days, whereas the resistance workout program is administered for at least the entire period during which the two compounds are administered. The muscle mass is measured by a body composition meter.

The invention provides citrulline or a salt thereof and glutathione or a salt thereof for use in increasing a ratio of muscle mass to total body weight in a person in conjunction with a resistance workout program, as well as a method of increasing a ratio of muscle mass to total body weight in a person by administering citrulline or a salt thereof and glutathione or a salt thereof to the person in conjunction with a resistance workout program. The citrulline and glutathione or salts thereof are administered daily for a period greater than 7 days, whereas the resistance workout program is administered for at least the entire period during which the two compounds are administered. The muscle mass is measured by a body composition meter.

The present application relates to a beverage comprising water, an amino acid, and allulose. In addition, the present application relates to a method for reducing off-taste, off-odor, or acrid taste comprising a step of mixing water, an amino acid, and allulose.

Disclosed herein is a preoperative beverage that is formulated to be administered prior to an operation or surgical procedure. In particular, the preoperative beverage is a water-based beverage that is configured to provide a patient with calories and nutrients while also maintaining an osmolality that is suitable for preoperative use The preoperative beverage may have a pH greater than approximately 4.3, one or more carbohydrates to provide at least 200 calories, and an osmolality ranging between 250-300 mOsm to facilitate absorption in less than two hours. The preoperative beverage may also include one or more amino acids, as well as other nutritional supplements to facilitate the health and comfort of the patient before and after the operation or surgical procedure.

Disclosed herein is a preoperative beverage that is formulated to be administered prior to an operation or surgical procedure. In particular, the preoperative beverage is a water-based beverage that is configured to provide a patient with calories and nutrients while also maintaining an osmolality that is suitable for preoperative use The preoperative beverage may have a pH greater than approximately 4.3, one or more carbohydrates to provide at least 200 calories, and an osmolality ranging between 250-300 mOsm to facilitate absorption in less than two hours. The preoperative beverage may also include one or more amino acids, as well as other nutritional supplements to facilitate the health and comfort of the patient before and after the operation or surgical procedure.

The invention provides a method of increasing blood flow in a subject in need of increased blood flow by administering citrulline or a salt thereof and arginine or a salt thereof to the subject.

The invention provides a method of increasing blood flow in a subject in need of increased blood flow by administering citrulline or a salt thereof and arginine or a salt thereof to the subject.