Is branched chain amino acid necessary

Branched chain amino acids are necessary for specific populations, but the general healthy population usually does not require additional supplementation. Branched chain amino acids mainly include leucine, isoleucine, and valine, which have the main functions of promoting muscle synthesis, relieving exercise fatigue, and assisting in liver disease nutritional support. Branched chain amino acids are widely used in the field of sports nutrition. Supplementing branched chain amino acids to high-intensity exercise individuals can reduce muscle breakdown and accelerate the recovery process. Leucine, as a key signaling molecule, can activate the mTOR pathway and directly stimulate muscle protein synthesis. Clinical studies have shown that athletes who supplement with branched chain amino acids after strength training experience a significant reduction in muscle soreness. But regular balanced individuals can obtain sufficient amounts through foods such as meat, eggs, and milk.

Some disease states require additional supplementation of branched chain amino acids. The imbalance between branched chain amino acids and aromatic amino acids in patients with hepatic encephalopathy can be improved by supplementing branched chain amino acids. Patients with advanced liver cirrhosis often experience muscle depletion, and branched chain amino acids can help maintain nitrogen balance. Supplementing branched chain amino acids in cancer cachexia patients may delay muscle loss, but it should be used under the guidance of a doctor. Long term excessive supplementation in healthy individuals may increase the metabolic burden on the liver and kidneys. The general population should prioritize obtaining branched chain amino acids through natural foods such as chicken breast, tuna, eggs, and dairy products. Sports enthusiasts can use supplements according to their training intensity, but it is important to note that the daily total protein intake should not exceed 2 grams per kilogram of body weight. Patients with liver or metabolic diseases must consult before use to avoid interaction with other therapeutic drugs. Pay attention to the combination of high-quality protein and complex carbohydrates in daily diet, which is more conducive to the absorption and utilization of branched chain amino acids.