Description
What is BCAA?
BCAA stands for "Branched-Chain Amino Acids." BCAAs are recognized to be the essential aliphatic amino acids leucine, isoleucine, and valine. The "branched" designation refers to a side chain with a branch off the main carbon molecule backbone.
| PubChem CID | 9886134 |
| Molecular Weight | 379.5 g/mol |
| Molecular Formula | C17H37N3O6 |
| Synonyms | Branched-chain amino acids
SCHEMBL692565 |
| Chemical Structure Depiction |
|
| IUPAC Name | 2-amino-3-methylbutanoic acid;2-amino-3-methylpentanoic acid;2-amino-4-methylpentanoic acid |
Proposed Working Mechanism of BCAA
In in vitro laboratory studies, branched-chain amino acids (BCAAs) are introduced into controlled cell culture systems. Researchers suggest that BCAAs enter cells through specific amino-acid transporters located in the cell membrane in preclinical research models.
After uptake, these compounds participate in biochemical reactions such as transamination and other metabolic conversions.
By adding defined concentrations of BCAAs to culture media, researchers may observe changes in biochemical responses. Researchers may also explore signaling protein activity and gene expression under a controlled research environments.
What is the best place to buy BCAA?
For laboratory research only, purchase from suppliers that provide:
- Batch-specific Certificates of Analysis (CoA) for identification and purity purposes
- Transparent testing practices, such as independent/third-party lab tests
- Clear research-only labels and instructions
Purerawz checks all the boxes that characterize a reliable online supplier of research compounds such as BCAA.
Disclaimer
This information is for educational purposes only and not medical advice. Products are for research use only. Research must follow IRB or IACUC guidelines. Verify information independently before purchasing. By placing an order, you agree to our Terms and Conditions. If you are not 100% satisfied with the product you received, please contact us at support@staging.purerawz.co
ATTENTION: All our products are for LABORATORY AND RESEARCH PURPOSES ONLY, not for veterinary or human use.
Reference Links
Wolfe, R. R. (2017). Branched-chain amino acids and muscle protein synthesis in humans: myth or reality? Journal of the International Society of Sports Nutrition, 14(1). https://doi.org/10.1186/s12970-017-0184-9
Institute of Medicine (US) Committee on Nutrition, T., Erdman, J., Oria, M., & Pillsbury, L. (2011). Branched-Chain Amino Acids. In www.ncbi.nlm.nih.gov. National Academies Press (US). https://www.ncbi.nlm.nih.gov/books/NBK209312/
Neinast, M., Murashige, D., & Arany, Z. (2019). Branched Chain Amino Acids. Annual Review of Physiology, 81, 139–164. https://doi.org/10.1146/annurev-physiol-020518-114455
Dr. Helma Wennemers
Dr. Helma Wennemers is a globally recognized chemist shaping modern peptide science and molecular design through highly original research in applied biosciences.
Her work explores how precise molecular architecture can be engineered to create new functional systems in chemistry and life sciences. Her contributions continue to redefine contemporary chemical research through creativity, depth, and structural innovation.

