Brand: Thorne Research

Beta Alanine-SR 120 tablets

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Product Description

Beta Alanine-SR

  • SKU: SF907
  • Product form: Tablet
  • Size: 120 Tablets
  • Availability: In Stock

An amino acid that supports the muscles during activity

  • Supports the buffering capacity of muscles
  • Increases carnosine levels in muscles
  • Helps maintain and promote muscle endurance and power output
  • Helps improve time-to-exhaustion during aerobic and anaerobic exercise
  • Provides antioxidant support
  • PureTab sustained-release delivery maximizes benefits while minimizing potential tingling

Product Description

The amino acid beta-alanine is a rate-limiting cofactor required for the creation of carnosine, which is responsible for buffering hydrogen ions that are created during energy production in the muscle. Carnosine helps maintain normal pH in the muscle, since acidity is a major contributor to muscle fatigue.

Oral carnosine is poorly absorbed in all humans, and tends to be lower in females and those who limit animal proteins in the diet. Sustained-release beta-alanine supplementation has been shown to increase carnosine concentrations in the muscle.

Supplementation with beta alanine supports muscle health, muscle work capacity, and perceived time-to-exhaustion in both anaerobic exercise lasting one to four minutes and aerobic exercise lasting greater than four minutes.

Beta-alanine has also been shown to benefit athletic performance. For example, studies have shown improvements in fatigue in cyclists, 2,000 meter rowing time trials, strength in college football athletes, and sprint performance in endurance cyclists.

Carnosine also has a role as an antioxidant, limiting the accumulation of free radicals from oxidation of lipid membranes.

PureTab sustained-release delivery system minimizes tingling sensations and poor absorption associated with doses of non-sustained release beta-alanine above 800 mg.

Beta Alanine-SR is NSF Certified for Sport.


Two Tablets Contain:
SR CarnoSyn Beta-Alanine† 1.6 g

Other Ingredients: Hypromellose, Dicalcium Phosphate, Corn Starch, Rice Extract, Hydroxypropyl Cellulose, Silicon Dioxide.

†This product uses CarnoSyn Beta Alanine. Natural Alternatives International (NAI) is the owner of patents as listed on and registered trademarks CarnoSyn and SR CarnoSyn.

Suggested Use

Take two tablets 1-2 times daily or as recommended by your health-care practitioner.

Servings Per Container: 60


This product is contraindicated in an individual with a history of hypersensitivity to any of its ingredients.

If pregnant, consult your health-care practitioner before using this product.

There are no known adverse interactions or contraindications at publication date.