Thorne Beta Alanine Sustained Release Amino Acid for Muscle Output and Endurance NSF Certified for Sport 120 Tablets 60 Servings
ThorneAnalysis updated August 2026 · How Scout scores
At a glance
Summary
This product contains a high-quality active ingredient, SR CarnoSyn Beta-Alanine, which is well-researched for enhancing muscle endurance and performance. The formulation includes several benign additives like hypromellose and silicon dioxide, which are common in tablet manufacturing but do not significantly detract from the product's quality. The absence of harmful ingredients such as artificial dyes or sweeteners contributes positively to its rating.
Key ingredients 7
Sr Carnosyn Beta-AlanineVery Good
Beta-Alanine is a well-researched amino acid that enhances muscle endurance and performance. It is a high-quality active ingredient known for its role in increasing carnosine levels in muscles, which helps buffer acid and reduce fatigue. This ingredient is NSF Certified for Sport, indicating high purity and quality.
Benefits
Improves muscle endurance and reduces fatigue during high-intensity exercise.
HypromelloseNeutral
Hypromellose is a cellulose-based polymer used as a binder and controlled-release agent in supplements. It is generally considered safe and is commonly used in pharmaceutical and supplement formulations. It does not contribute any nutritional value but aids in the sustained release of active ingredients.
See more about Hypromellose →Dicalcium PhosphateNeutral
Dicalcium Phosphate is used as a dietary supplement and a tableting agent. It provides calcium and phosphorus, which are essential for bone health, but in this context, it primarily serves as a filler. It is generally recognized as safe when used in appropriate amounts.
Risks
Excessive intake may lead to imbalances in calcium and phosphorus levels.
Benefits
Provides a source of calcium and phosphorus, essential for bone health.
Corn StarchNeutral
Corn Starch is used as a filler and stabilizer in supplements. It is a common ingredient that provides bulk and consistency to tablets. It does not offer significant nutritional benefits in this form.
See more about Corn Starch →Rice ExtractNeutral
Rice Extract is often used as a natural filler or anti-caking agent in supplements. It is derived from rice and is considered a clean ingredient with minimal processing. It does not provide significant nutritional benefits in this context.
Hydroxypropyl CelluloseNeutral
Hydroxypropyl Cellulose is a derivative of cellulose used as a binder and film-former in tablets. It is widely used in the pharmaceutical industry for its stability and safety profile. It does not contribute nutritional value but aids in the structural integrity of tablets.
See more about Hydroxypropyl Cellulose →Silicon DioxideNeutral
Silicon Dioxide is used as an anti-caking agent to prevent clumping in powdered supplements. It is a naturally occurring compound that is generally recognized as safe. It does not provide nutritional benefits but ensures product consistency.
See more about Silicon Dioxide →Processing
Processed Foods
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