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beta alanine vs carnosine

I. beta alanine vs carnosine

Beta-alanine, known as beta-alanine in Chinese, is a non-essential amino acid. It is the precursor of Carnosine, which is a dipeptide formed by combining beta-alanine with histidine.

what is beta-alanine?

Beta-alanine is a non-essential amino acid that the body can produce from other amino acids. It is found in a range of foods including meat and fish. Beta-alanine is also a component of the dipeptide carnosine, which is made from beta-alanine and the amino acid histidine.

what is carnosine?

Carnosine has a number of physiological functions, including buffering acidity and chelating heavy metals. Beta-alanine supplementation is commonly used by athletes and bodybuilders to increase muscle carnosine levels, which may improve performance by buffering acidity and increasing muscle endurance.


♦Beta-Alanine: It mainly serves as a precursor substance for carnosine and helps synthesize carnosine. Myostatin is abundant in muscle and brain tissues and has antioxidant, anti-inflammatory and anti-glycation effects. In addition, Beta-Alanine has been shown to scavenge harmful substances such as reactive oxygen radicals (ROS) as well as alpha-beta unsaturated aldehydes.

♦Carnosine: Formed by combining Beta-Alanine with histidine, Carnosine is a compound with a variety of physiological functions.Carnosine acts as an acid/base buffer in the body, helping to maintain stable pH levels. In addition, Carnosine also chelates heavy metals, scavenges free radicals and inhibits glycation.

III. Application Areas

Beta-Alanine: It is mainly used in sports nutrition supplements and functional foods to help improve muscular endurance and athletic performance. It is also commonly used as a daily supplement for athletes and fitness enthusiasts.

Carnosine: Used as a natural food additive and preservative in the food industry, also used in pharmaceutical and cosmetic industries.

Side effects and precautions

Beta-Alanine: Some people may experience allergic reactions such as itching and stinging of the skin. It is recommended to start using a small amount and gradually increase the dose to avoid discomfort.

Carnosine: No significant side effects or contraindications have been identified. However, due to its antioxidant and chelating effect on heavy metals, excessive intake may affect the effect of certain drugs or produce other adverse reactions. Advice from a doctor or pharmacist should be sought before use.

Applicable People


For athletes, fitness enthusiasts and people who need to improve muscular endurance and reduce fatigue. Pregnant women, lactating women and those with liver or kidney insufficiency should consider using it with caution.


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It is suitable for the general population, especially those who need to maintain the acid-base balance of the body and improve physical functions. However, patients with specific diseases, such as diabetes, cardiovascular disease, etc., should use it according to medical advice.

In summary, although Beta-Alanine and Carnosine are both compounds with important physiological functions, there are differences in efficacy, application areas, side effects and applicable population. The use of Beta-Alanine and Carnosine should be based on individual conditions and needs, and professional guidance should be followed.